novbabies
Postmaster
Reged: 06/05/05
Posts: 15678
Loc: Northern Georgia!
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I thought long and hard before posting this and the positives outweigh the negatives. Here is my unqualified, first-blush, off-the-top-of-my-head list (no particular order, I'm NOT a detail-oriented guy):
Mizar
Albireo
gamma And
beta Mon
rho Ori
sigma Ori
lambda Ori
2 CVn
eta Cas
iota Cas
iota Cnc
zeta Cnc
gamma Leo (isn't that the gold-gold, bright pair?)
alpha CVn
h3945 in CMa
delta Cep
phi Tau
Struve 2816
iota Tri
(....others NOT on the top of my head!  )
How about you? What's on YOUR list?
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Good Seeing!
Mark
Orion 12" XTi f/4.9
VERY old Edmund 6" f/8 reflector
Assorted binoculars
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asteroid7
Post Laureate
Reged: 10/19/04
Posts: 4238
Loc: CT
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41 Aur (striking pair white & lilac)
52 Tau (attractive wide colorful double - deep yellow & bluish)
STF 485 Cam (DEB in NGC 1502)
STF 973 Cam (Colorful yellow & grayish-purple)
55 Eri (DEB 6.7-6.7)
Zeta Ori (two bright(1.9-4.0)close (2.3) stars.
1 Cam (wide easy pair yellowish & bluish)
STF 1027 Gem (pale orange pair)
Delta Gem (pretty visual binary)
STF 958 Lynx (DEB 6.3-6.3 yellowish pair)
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Clear Nights "Make My Day"
4.5" f/7 APM (TMB) APO Refractor CG5 GoTo with Orion extension tube
8" Celestron CPC (two)
Eyepieces:
40mm Pentax; 24mm Tele Vue Panoptic, 18mm Tele Vue Radian, 18mm HD Ortho, 15mm Celestron Omini,14mm Pentax,10mm Tele Vue Radian, 7mm,5mm & 3.5mm Nagler; 7.4mm Tele Vue Plossl.
2.5 Tele Vue Powermate
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SaberScorpX
Post Laureate
Reged: 01/12/05
Posts: 4220
Loc: illinois, usa
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Excellent picks, guys.
OTTOMH I'll add:
nuDra
gammaDel
omicronCyg
gammaAri
epsilonLyr
gammaVir
thetaOri
betaSco
nuSco
alphaGem
Second the vote for sigmaOri and gammaLeo.
Stephen Saber
PAC/Astronomical League
http://www.geocities.com/saberscorpx/home.html
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Mark K
scholastic sledgehammer
Reged: 12/16/04
Posts: 860
Loc: Bury, Lancashire, UK
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My top ones are:
Albireo (inevitably!)
Castor
Mizar
Cor Caroli
Eta Cassiopeiae
Iota Cassiopeiae
Eta Persei
Delta Cephei
Algieba (Gamma Leonis)
Gamma Andromedae
Theta-1 Orionis (Trapezium)
Sigma Orionis
Beta Monocerotis
Epsilon Lyrae
Ras Algethi (Alpha Herculis)
Beta Delphini
Zeta Aquarii
Epsilon Boötis
Antares (murderously tough, but worth it)
Gamma Arietis
Lesser-known gems without Bayer letters:
STF 872 in Auriga (gold and blue)
STF 939 in Monoceros (neat triangle)
STF 2470/2474 in Lyra (Double Double's Double)
HJ 3945 in Canis Major (gold and Cyan - winter Albireo)
66 Ceti (orange and blue)
61 Cygni (orange pair)
54 Sagittarii (another Albireo impersonator)
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Mark K.
Meade ETX-125
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chascar
sage
Reged: 02/14/05
Posts: 316
Loc: Franklin Massachusetts
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Cor Caroli (Alpha) Canes Venatici
Alberio
Mizar
Epsilon Lyre
Eta Cassiopeia
Gamma Andromeda
Epsilon Bootes
Trapizium (Theta)Orionis
Lambda Orionis
Great list guys so hard to pick all time favorites but this covers it, as a quick list  
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Charles
42.1N 71.4W Member Skyscrapers Inc.
Meade 628/f8 w 80mm guide
Meade ETX 90 EC
Tasco 9TE-5
Swift 7x50 Seahawks
Nikon 10x35 6.6 WF
Edited by chascar (03/14/06 09:12 AM)
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David A Rodger
sage
Reged: 08/12/03
Posts: 444
Loc: North Vancouver, BC, Canada
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Iota Cassiopeiae
Eta Persei
Almach
Beta Monocerotis
Sigma Orionis
Sigma Cassiopeiae
Theta Aurigae
The close pair in the bowl of the Pleiades (South something?)
DAR
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Sky-Watcher 10-inch Dob
Orion 100mm ED and EON 120 refractors
Tele Vue NP-127 refractor
Celestron CPC 1100 SCT
Celestron Classic C-8
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RRaubach
AstroCowboy
Reged: 01/26/05
Posts: 2173
Loc: Douglas (Converse County),WY
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Here's my list:
sigma Orionis
gamma Leonis
iota Orionis + STF 747 in same field + Trapezium in same field
alpha Herculis
gamma Arietis
nu-Scorpii
beta Monocerotis
31 Orionis
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Rodger
Meade SN-10 (UHTC) on Tak EM-200 mount/Antares rotating rings. Moonlite focuser.
Parallax 14.5" Newtonian on HD 200 mount (arriving soon!) w/ conical Royce mirror.
TMB 203 f/7 APO refractor on Tak NJP-160 mount.
Discovery 12.5" PDHQ
Schneider 18x80 "Flakfernrohr" binoculars/tripod mounted. Canon 15x50 IS binoculars
Unihedron Sky Quality Meter
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Dave Mitsky
Postmaster
Reged: 04/08/02
Posts: 10442
Loc: PA, USA, Planet Earth
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Just off the top of my head I'll say my top ten, in no particular order, are Albireo, Struve 2470 & 2474 (the other Double Double), h3945, Gamma Andromedae, Beta Monocerotis, Gamma Delphini, Antares, Sigma Orionis, Alpha Centauri, and Cor Caroli.
Dave Mitsky
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Chance favors the prepared mind.
De gustibus non est disputandum.
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PJ Anway
Pooh-Bah
Reged: 06/04/03
Posts: 1136
Loc: Michigan's U.P.
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In no particular order:
Mizar
Epsilon Bootis (Izar)
Alpha Canes Venaticorum (Cor Caroli)
Alpha Herculis (Rasalgethi)
Beta Cygni (Albireo)
Delta Herculis
Gamma Delphini
Gamma Andromedae (Almach)
Zeta Aquarii
Beta Monocerotis
Alpha Geminorum (Castor)
Gamma Leonis (Algieba)
Epsilon Lyrae (double-double)
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PJ
_________________
Lookum Observatory
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RLTYS
Carpal Tunnel
Reged: 12/18/04
Posts: 2144
Loc: New York (Long Island)
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To All
These are my top ten multiple stars:
1. Beta Cyg (Albiro)
2. Gamma Del
3. Gamma And
4. Eta Gem
5. Alpha Gem (Castor) Triple star system, third component a red dwarf.
6. Omicrom1/Omicrom2 Eridani, Triple star system. The B Component is a white dwarf. One of the few white dwarfs that can easily be seen in an amature scope. Don't need to split Sirus or Antares to see this one.
7. 70 Oph
8. Alpha Her
9. Theta 1/Theta 2 Ori (Trapizium) Components A thru F.
10. Xi Uma Excellant example of pure white stars.
Most stars were picked for their colors, some were just plain interesting.
Clear Skies
Rich (RLTYS)
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10" F4.8 Refl.
4" F5 Refr. (Genesis)
3" F4 Celestron FirstScope
50mm F12 Refr. (Tasco #6TE-5)
12x63 and 10x50 Binoculars.
"I want to do more then just look."
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jandrew
sage
Reged: 05/31/03
Posts: 233
Loc: Winnipeg, Manitoba
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I like so many, and the lists above are great so I won't duplicate (and
won't tie myself to a specific few in the process). However, I will mention
(because I didn't notice it listed yet) Zeta Persei (STF 464) --- a nice
little 5-star multiple with a 2.85 mag primary and 9.16mag companion at
about 13" distance, and three more companions of magnitudes 9.96, 10.44,
and 11.24 ranging out to 120.4".
No spectacular color contrasts, and the companions are rather faint -- but
on a crisp clear night it has a certain satisfying quality to it, like a
mini-constellation just hoping to be noticed and penciled in.
andrew
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4.5" orbitor dob
8" skywatcher dob
Larrivee 6-string (oops, wrong instrument)
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michaelva
member
Reged: 02/01/06
Posts: 66
Loc: Maryland
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Besides already mentioned ones (like gamma And, H3945 CMa,
δ Cep, ß Cyg)
I like α Ceti & 93 Ceti - a Red and blue optical double.
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asteroid7
Post Laureate
Reged: 10/19/04
Posts: 4238
Loc: CT
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Another fine-looking multiple system in Perseus is Eta:
3.8-8.5-9.9-10.4 AB a beautiful deep yellow & blue.
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Clear Nights "Make My Day"
4.5" f/7 APM (TMB) APO Refractor CG5 GoTo with Orion extension tube
8" Celestron CPC (two)
Eyepieces:
40mm Pentax; 24mm Tele Vue Panoptic, 18mm Tele Vue Radian, 18mm HD Ortho, 15mm Celestron Omini,14mm Pentax,10mm Tele Vue Radian, 7mm,5mm & 3.5mm Nagler; 7.4mm Tele Vue Plossl.
2.5 Tele Vue Powermate
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RLTYS
Carpal Tunnel
Reged: 12/18/04
Posts: 2144
Loc: New York (Long Island)
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astroid7
I wasn't aware that Eta Per has four components. 
Thanks and Clear Skies
Rich (RLTYS)
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10" F4.8 Refl.
4" F5 Refr. (Genesis)
3" F4 Celestron FirstScope
50mm F12 Refr. (Tasco #6TE-5)
12x63 and 10x50 Binoculars.
"I want to do more then just look."
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asteroid7
Post Laureate
Reged: 10/19/04
Posts: 4238
Loc: CT
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Quote:
astroid7
I wasn't aware that Eta Per has four components.
Thanks and Clear Skies
Rich (RLTYS)
Hi Rich
Look on Page 16 (Cloudy Nights) of my Double Star Sketches.
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Clear Nights "Make My Day"
4.5" f/7 APM (TMB) APO Refractor CG5 GoTo with Orion extension tube
8" Celestron CPC (two)
Eyepieces:
40mm Pentax; 24mm Tele Vue Panoptic, 18mm Tele Vue Radian, 18mm HD Ortho, 15mm Celestron Omini,14mm Pentax,10mm Tele Vue Radian, 7mm,5mm & 3.5mm Nagler; 7.4mm Tele Vue Plossl.
2.5 Tele Vue Powermate
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SaberScorpX
Post Laureate
Reged: 01/12/05
Posts: 4220
Loc: illinois, usa
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re: I wasn't aware that Eta Per has four components.
Miram's actually a sextuple system (including the primary's spectroscopic binary).
http://www.alcyone.de/SIT/bsc/HR0834.html
Stephen Saber
PAC/Astronomical League
http://www.geocities.com/saberscorpx/home.html
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Acheron
scholastic sledgehammer
Reged: 08/07/05
Posts: 776
Loc: Croatia, Velika Gorica
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Almaach
Castor
Mizar
Izar
Theta Orionis (Trapezium)
Albireo
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I like sketching...
8" F6 Dob - "Betsy"
12" F5 Dob - "Tristac"
25x100 Binos
Messier Catalogue - done
Herschel 400 - 189 more to go
http://www.inet.hr/~vevrhova/english/index
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DarkStar72
Carpal Tunnel
Reged: 03/19/06
Posts: 2419
Loc: 32°52'24"N 87°00'00"W
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Since getting my 10" I have been busy Galaxy/Cluster/Nebula hunting. Literally last night I was thinking how I had not even tried to spilt a double. Thanks for the list of all your favorites, I plan on making very good use of it. Then letting you all know which are my favorites.
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DarkStar72/Chris
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Meade DS-2090 AT-TC 90mm f/8.8
Orion SkyQuest XT10 Classic f/4.7 DOB Newt
Orion SVPro8 EQ f/4.9 Reflector-Moonlight CR1-DC Motor Focus
Current Imagers:
SPC900NC-CCD-Lunar/Planetary
Meade DSI ProII w/Filters-DSO's
http://www.freewebs.com/darkstar72
Lay Lake Observatory, AL
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Achernar
Postmaster
Reged: 02/25/06
Posts: 5024
Loc: Mobile, Alabama, USA
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Some of my favorite doubles and multiple stars are:
Gamma Andromedae
Gamma Delphini
Eta Cassiopeiae
Sigma Cassiopeiae
Lamda Orionis
Iota Orionis
Theta Orionis
Iota Cassiopeiae
Alpha Herculis
Mu Herculis
Alpha Scorpii (Antares)
Nu Scorpii
Sigma Orionis
Xi Ursae Majoris
Zeta Ursae Majoris (Mizar and Alcor)
Xi Bootis
Beta Monocerotis
Alpha Canum Venatacorum (Cor Caroli)
Gamma Virginis (Porimma)
15 Aquilae
Epsilon Bootis
Eta Corona Borealis
70 Ophiuchi
Epsilon Lyrae
There are many others, but these come to mind first.
Taras
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15-inch F/4.5 Dob under construction
10-inch F/4.5 Discovery Dob
6-inch F/8 Homebuilt Dob
4 1/4-inch F/4 Homebuilt reflector
A whole bunch of eyepieces, filters and other accessories....
Two curious cats
Edited by Achernar (04/22/06 03:24 PM)
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kruno
professor emeritus
Reged: 11/10/05
Posts: 681
Loc: Croatia
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Rigel is not my favorite,but my all-time double......
...in first days with my telescope he manage to fool me
for few days.....i did not know what to expect so i overlooked this tiny dot near Rigel ...after few days i realize that i saw two components few days ago.
My favourite double is trapezium....i spend much time with it ,wondering will it reward me with E component (my scope is on the edge of that).
Few days ago i saw Double double for first time...it is also nice sight,split all with 100x and they all four fit in my 220x FOV so i enjoy sight for few minutes.
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Kruno
1x7 eyes
TS1021 102mm f/10 Achro
Olympus 10x50 DPS I Canon A530 CHDK moded
http://free-kr.t-com.hr/raptor/ (croatian only)
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Achernar
Postmaster
Reged: 02/25/06
Posts: 5024
Loc: Mobile, Alabama, USA
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I've seen the E and F stars of the Trapezium a number of time in a 6-inch when the seeing's good. Two stars you ought to look for soon though will provide you with a splash of color, namely Omicron-1 Cygni and 61 Cygni. The first is an optical triple, meaning the stars merely are along the same light of sight from the Earth, but they are a orange, white and blue. 61 Cygni is two orange dwarfs that really show a vivid orange color, like a couple of oranges in space. I enjoy looking at Epsilon Lyrae very much too.
Taras
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15-inch F/4.5 Dob under construction
10-inch F/4.5 Discovery Dob
6-inch F/8 Homebuilt Dob
4 1/4-inch F/4 Homebuilt reflector
A whole bunch of eyepieces, filters and other accessories....
Two curious cats
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mike174
sage
Reged: 01/04/05
Posts: 379
Loc: North-Central, NJ
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Hi,
I've been observing multiple stars only for the last few years but here's a list that I enjoyed observing.
Iota Cancri
61 Cygni
STF 1664
STF 1659
STF 1669
Mizar
Double-Double in Lyra
Cor Caroli
Castor
Algeiba
Sigma Orionis
Rigel
Algorab
Albireo
Mike
Edited by mike174 (05/02/06 12:15 PM)
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stevek
Pooh-Bah
Reged: 04/16/06
Posts: 1289
Loc: west michigan
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Ditto with darkstar72 - this thread is now in my favorites
Steve
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DSO 8" f6 DOB w/ 8x50 RACI & 2"Crayford
1958 Sears Discoverer 76mm Refractor
GSO SV 30mm 2",21mm Hyp,13mm Strat,BO/TMB 6mm&4mm
1.25"Filters: DGM-NPB, 25%ND
1.25" plossls: 25mm,20mm,15mm,9mm
Orion 2X Shorty Barlow
Garrett Gemini LW 11x56mm binocs
cheap $10 green laser pointer(hongkong express)
"What is that burning in the sky? Tell me y'all..." Jeff Beck/Jan Hammer
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Chandler22
member
Reged: 09/29/06
Posts: 22
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My favorite is still albireo, the color contrast is striking and beautiful.
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Almach
Pooh-Bah
Reged: 02/27/07
Posts: 1185
Loc: Manitoba, Canada
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My favourite is Almach.
I found it by accident as I was simply scanning the sky with the telescope. I look for it every night that I go to observe, provided it is in the sky at the time of course. 
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Jim
Optical Star Fleet:
Orion XT10 f/4.7
Orion XT4.5 f/8
Orion 102mm f/7 ED
70mm f/7 Skywatcher Refractor
8x40 Nikon
Ocular Arsenal:
BO/TMB, Orion Sirius Plossl, Pentax, Televue
Ocular Support:
TV Paracorr, 2x & 2.5x Powermate, 2x TV Barlow, WO Binoviewer
Orion Skyview Mount
Observing since 25 December 2006
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ABC
sage
Reged: 10/22/06
Posts: 422
Loc: Heidelberg, Germany
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I like to split doubles at the lowest possible magnification to test the seeing and the optics (6" and 7"). In this regard, I have some favorite candidates:
- Rigel (40x)
- Epsilon 1/2 Lyrae (46x)
- Castor (40x)
- Ras Algethi (55x)
- alpha Piscorum (91x)
- 52 Ori (157x)
- 16 Vulpeculae (196x)
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Kind regards, Christian
Meade 178 ED
Meade 152 ED
Intes Micro Alter M500
Bresser 70/700 Achromat
CGE
EQ-6
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ErnieM
Pooh-Bah
Reged: 06/13/04
Posts: 1251
Loc: Phoenix,AZ
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I am a newbie to doubles after years of observing DSOs and planets.Just last week I found Almach and Sigma Orionis to name a few and I am hooked.I have spent the last few days studing and plotting on my charts using the info of favorites here.It will probably take me a year before I can list mine.
Ernie
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Ernie
DSH8/ Crayford focuser
ST80 with 2" focuser on Astroview mount and iOptron cube
7XL,10LX,13t6,17LX,22LVW,27 Pan,TV 32,SWA 26 & 38mm,TMBs,UOs,Sratus,and Viven 8x24 Zoom.
Sears 7x35,Upclose 20x50, Meade 9x63 and Celestron Skymaster 8x56 binos
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Nick Lloyd
He asked for it
Reged: 10/24/06
Posts: 2156
Loc: cincinnati
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This is a great thread... spending time looking these up in my Pocket Sky Atlas and taking notes... Thanks! to everyone who has contributed.
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"The best scope is the one you use." -rcg
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s.b.nights
sage
Reged: 05/14/07
Posts: 393
Loc: santa barbara, ca
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I am surprised that this one has not made the list yet:
24 Com
I guess it's my favorite 'cause I found it by accident and it's just so pretty.
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Yale
Orion XT10
4.5" newt
10x50 binos
"And in my hour of darkness there is still a light that shines on me." The Beatles
"You cried for night; it falls: now cry in darkness." Samuel Beckett
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edosaurusrex
super member
Reged: 01/30/07
Posts: 179
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Struve 2470 and Struve 2474 in Lyra are a nice "double-double" in a low power field.
Ditto for Xi Sco and Struve 1999, Struve A7 and Struve 401.
Always find myself going to 61 Cyg, Alberio, Eta Cas (Achird), Izar, and Polaris as well.
One of these days I'll finally split Antares.
Ed K
Edited by edosaurusrex (07/15/07 03:56 PM)
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snorkler
Aperture Aficionado
Reged: 10/11/04
Posts: 9030
Loc: Bay Area, California
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I thought you might appreciate a summary of the thread. I compiled it to create a list of the most popular doubles.
12 Almach gamma Andromedae
10 Albireo beta Cygni
9 epsilon Lyrae
9 sigma Orionis
8 Cor Coroli alpha Canum Venaticorum
8 Trapezium theta Orionis
7 beta Moncerotis
7 Castor alpha Geminorum Triple star system, third component a red dwarf
6 Algieba gamma Leonis
6 Izar epsilon Bootis
6 Mizar and Alcor zeta Ursae Majoris
6 Ras Algethi alpha Herculis
5 Achird eta Cassiopeiae
5 gamma Delphini
4 61 Cygni (orange pair)
4 iota Cassiopeiae
3 Antares alphs Scorpii
3 delta Cephei
3 gamma Arietis
3 h3945 in Canis Majoris
3 lambda Orionis
3 Miram eta Persei 3.8-8.5-9.9-10.4 AB a beautiful deep yellow & blue
3 Porrima gamma Virginis
3 Rigel beta Orionis
3 STF 2470/2474 in Lyra (Double Double's Double)
2 70 Oph
2 iota Cancri
2 iota Orionis + STF 747
2 nu Scorpii
2 omicron Cygni optical triple orange, white and blue
2 sigma Cassiopeiae
2 Xi Ursae Majoris Excellant example of pure white stars
2 zeta Aquarii
1 Cam (wide easy pair yellowish & bluish)
15 Aquilae
16 Vulpeculae
2 Canis Venatici
24 Comae Berenices
31 Orionis
41 Aur (striking pair white & lilac)
52 Orionis
52 Tau (attractive wide colorful double - deep yellow & bluish)
54 Sagittarii (another Albireo impersonator)
55 Eri (DEB 6.7-6.7)
66 Ceti (orange and blue)
Algorab delta Corvi
alpha Centauri
alpha Ceti & 93 Ceti - a Red and blue optical double
alpha Piscorum
beta Delphini
beta Sco
delta Geminorum (pretty visual binary)
delta Herculis
epsilon Corona Borealis
eta Geminorum
HJ 3945 in Canis Major (gold and Cyan - winter Albireo)
iota Triangulum
mu Herculis
nu Draconis
Omicrom1/Omicrom2 Eridani, Triple star system. The B Component is a white dwarf. One of the few white dwarfs that can easily be seen in an amature scope. Don't need to split Sirus or Antares to see this one.
phi Taurii
Polaris alpha Ursae minoris
rho Orionis
STF 1027 Gem (pale orange pair)
STF 1659
STF 1664
STF 1669
STF 485 Cam (DEB in NGC 1502)
STF 872 in Auriga (gold and blue)
STF 939 in Monoceros (neat triangle)
STF 958 Lynx (DEB 6.3-6.3 yellowish pair)
STF 973 Cam (Colorful yellow & grayish-purple)
Struve 2816
Struve A7 & Struve 401
theta Aurigae
xi Bootis
xi Scorpii & Struve 1999
zeta Cancri
Zeta Ori (two bright(1.9-4.0)close (2.3) stars.
Zeta Persei (STF 464) --- a nice little 5-star multiple with a 2.85 mag primary and 9.16mag companion at about 13" distance, and three more companions of magnitudes 9.96, 10.44, and 11.24 ranging out to 120.4"
--------------------
The greatest danger in the dark is your weak heart. Have you done 30 minutes of cardiovascular exercise today or yesterday?
37.9 mpg over 11,450 miles
45.6 mpg over 10,950 miles
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RLTYS
Carpal Tunnel
Reged: 12/18/04
Posts: 2144
Loc: New York (Long Island)
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snorkler
Thanks, for a most convienent list. 
Clear Skies
Rich (RLTYS)
--------------------
10" F4.8 Refl.
4" F5 Refr. (Genesis)
3" F4 Celestron FirstScope
50mm F12 Refr. (Tasco #6TE-5)
12x63 and 10x50 Binoculars.
"I want to do more then just look."
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Hal Pollner
Reged: 08/30/05
Posts: 6567
Loc: Southern California Desert
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My two favorite doubles are Castor and Pollux in Gemini (don't laugh...I refer to them as a "double"), and also Alberio in Cygnus.
The "twins" always appear to me as a pair of eyes staring at me! Naturally, I can only enjoy them naked eye!
HAL
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Hal Pollner
Reged: 08/30/05
Posts: 6567
Loc: Southern California Desert
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Hello...
I've been into Amateur Astronomy for 44 years and have owned 20 telescopes of all types.
The closest double I have ever seen was the Companion of Polaris, whatever that is called.
I know that there are many doubles closer than this, but I'm not interested in seeking them out, because this is as close as I care to shoot for...I like a little space between my doubles!
(Alberio is nice!)
Here's a shot of me with my 20" f/5 Obsession back in 2000.
HAL POLLNER
Apple Valley, CA
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Edited by Hal Pollner (09/02/07 02:00 AM)
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RLTYS
Carpal Tunnel
Reged: 12/18/04
Posts: 2144
Loc: New York (Long Island)
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Hal
Nice scope. 
Rich (RLTYS)
--------------------
10" F4.8 Refl.
4" F5 Refr. (Genesis)
3" F4 Celestron FirstScope
50mm F12 Refr. (Tasco #6TE-5)
12x63 and 10x50 Binoculars.
"I want to do more then just look."
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Art Bianconi
Post Laureate
Reged: 03/06/06
Posts: 4659
Loc: Delaware River Valley, New Jer...
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My favorite double is my only double, for time being. It's the "Double Double"
Never chased doubles before until I attended Stellafane 2007.
I had my 4.25" F/7.4 which I affectionately call the PeaShooter.
While I build and own lots of telescopes, I am not much of an astronomer. So, I depend on my buddies to help point out things to look at.
Wayne pointed my tiny scope at the Double Double and let out a "Wow!" that most everyone could hear.
"Art this is one fine scope!"
Now I am hooked!
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“Everything is on its way to somewhere. . . . . everything!"
____________________ George Malley (John Travolta)
________________________ "Phenomenon"
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WadeVC
Carpal Tunnel
Reged: 12/02/05
Posts: 2831
Loc: Lodi, California,
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I have looked at many double stars, but it hasn't been until recently that I have actually taken the time to enjoy and observe the many doubles out there. However, in this short time that I have taken the time to enjoy and fully observe these doubles, so far here are those that I enjoy the most:
Eta Persei
Eta Cassiopeia
Struve 163
Iota Cassiopeia (triple)
Albireo
Almaak
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Orion XTi10 f/4.7
Orion XTi8 f/5.9
Meade NGC 70mm f/10
Orion UltraView 10x50 Wide-Angle Binoculars
My Sketch Gallery
My Astronomy Blog
A wise man can see more from the bottom of a well than a fool can from a mountain top.
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novbabies
Postmaster
Reged: 06/05/05
Posts: 15678
Loc: Northern Georgia!
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Well, heck, let's add 17 Virginis (STF1636). The first time I saw this, and subsequent times as well, I have seen the secondary as brownish!
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Good Seeing!
Mark
Orion 12" XTi f/4.9
VERY old Edmund 6" f/8 reflector
Assorted binoculars
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gfeulner
member
Reged: 11/23/07
Posts: 22
Loc: Bergen county, New Jersey
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Double-double,Struve 403 and 410 in Cygnus,Iota Cass, Delta Cygni, Beta Cancri, Eta Corona Borealis, 36 Andromeda and Lambda Cygni (when I can split it). Gerry
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arellanon
member
Reged: 12/12/06
Posts: 25
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Gamma Leporis
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moron392
scholastic sledgehammer
Reged: 08/20/07
Posts: 813
Loc: Charlotte, NC
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algebia
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"If you've done something right, people won't be sure you've done anything at all."
http://www.freewebs.com/moron392/index.htm
60mm meade ngc60 refractor.
Meade 70AZ-TR (short one)
50mm homemade refractor (occasionally with a solar filter)
starblast4.5EQ
6mm,15mm expanse eyepieces
9mm meade Mh eyepiece,17.5mm Meade MA
nikon 7x35's
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David Johns
member
Reged: 03/26/07
Posts: 80
Loc: Queensland, Australia
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Thanks for starting and responding to this thread .... very, very helpful.
I may have missed it but I did not notice Eta Orionis in the lists. I find this frustratingly difficult to split with my 4" refractor ... yet others tell me that it should be fairly easy with a 4"!!! I would estimate that I manage to confidently split Eta Orionis only every 6-8 attempts, even when I would rate seeing as reasonable/good. I recently purchased a CPC-11 and so far have only tried to split it once ... with success (what!) ... but then seeing was only average at best.
I would appreciate any observing clues and comment about splitting Eta Orionis.
David
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David Johns
CPC-11 (since May 2007)
4 inch Unitron 152 refractor (60s/70s vintage)
Basic principles are the footsteps to understanding and discovery
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Svezda
sage
Reged: 06/01/07
Posts: 260
Loc: Texas
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Quote:
Iota Cassiopeiae
Eta Persei
Almach
Beta Monocerotis
Sigma Orionis
Sigma Cassiopeiae
Theta Aurigae
The close pair in the bowl of the Pleiades (South something?)
DAR
I'm really glad you mentioned this last one, South 437. I have been intrigued with this double ever since I made a crude 10-inch SCT photo that showed this wide (39.4") equal mag (8th mag) double plus the very close star next to the western star, which upon close examination of very good amateur images is seen to be double also. The western component of South 437 is shown as Bu536 CD on Cartes du Ciel at 16.5". I've never managed to see this companion, maybe because it has a 4mag difference (8.1-12.1m). Has anyone seen this one? The AB component supposedly is only 0.9" sep. and similar mags (8.1/9.4m). The Cartes du Ciel chart is confusing. Would appreciate PM on this if anyone can clarify (it is kind of abtruse for the forum, probably).
Edited by Svezda (01/28/09 12:29 AM)
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azure1961p
professor emeritus
Reged: 01/17/09
Posts: 731
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ES244A & B
Sky and Tel was kind enough to run a small quip on me in their magaezine for my bringing this to the attention of them. It was also referred to as the baseball diamond cluster .
Low power in medium aperture lends it an almost glittery planetary look, med to hifger mags reveal the diamond, a gleaming home plate, a runner who overshot first base, and batters waiting to get on deck.
Cool actually... in the belly of cygnus. Caught it while I was scanning at 70x with my 8" reflector.
Pete
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................
professor emeritus
Reged: 11/04/06
Posts: 703
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I have different ones based on the season, but I have to say my all-time favorite is Albeiro. The only reason is in the summer, fall, and very early winter I always like to end an observing session on it, and usually at a low power to show-off its color contrast.
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Patricko
Carpal Tunnel
Reged: 01/30/07
Posts: 1532
Loc: SE New Mexico USA
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h3945, I like the colors!
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Clear skies,
Patrick
INTERNATIONAL DARK SKY ASSOCIATION
60MM TELESCOPE CLUB!
"You can always have better, but will you ever be happy with what you have?" - Me, myself, and I
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jhors
Riddle me this
Reged: 07/16/07
Posts: 977
Loc: Tempe, AZ
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I just started looking for doubles a year ago and these are my favorites from my logs so far:
h3945
Iota Cancri
Albireo
95 Herculis
38 Lyncis
32 Eridanus
39 Oph (stumbled upon it looking for B72)
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-Josh
Boyce Thompson Arboretum:
10" f/4.7 Dob
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calan
sage
Reged: 06/16/07
Posts: 457
Loc: Oklahoma City, OK
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I "discovered" h3945 a month or two ago, and think it's interesting that this double doesn't have a reference in the common double catalogs. I don't see how a double this beautiful can fly under the radar...so to speak.
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Orion f/4.7 XT10 (completely rebuilt, DOB or GEM mountable...details here)
Meade f/5 LXD75 6" Newt w/mods
Nikon 10x50 AE Extreme
Hyperion 8-24mm Zoom
Astro-tech 20mm SWA (2)
Siebert Optics BK bino/Power Mag Wheel
Various Plossls
Time flies like an arrow, but fruit flies like a bannana.
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Rogerio
sage
Reged: 09/01/07
Posts: 222
Loc: Salvador; BA; Brazil
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Gamma Velorum
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8'' F6 Dob - ATM
8'' F8 Dob - ATM
Pentax PFC WPII 20X60; Nikon Action EX 8X40
24Pan; 16T5Nag; 10Rad; 7XW
Meade TX 2X and 3X
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azure1961p
professor emeritus
Reged: 01/17/09
Posts: 731
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Gamma Andromedae through my 8" for its difficulty, and beauty in merged spurious discs of different color at a mere .5 arc sec seperation. 95 Herculi for color. 66 Cygni for those warm colors. Epsilon Lyra of course for obvious reasons. Es244 a@b - a fantastic multiple in a grouping smaller than the apparent face of Jupiter.
Wow - uts a tough list to put a lid on...
Pete
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Mike Allen
newbie
Reged: 01/05/08
Posts: 4
Loc: Ohio
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It really depends on what telescope I'm using. Here are a few examples:
Questar 3.5 - gamma andromedae - deep yellow, blue
Tak TSA 102 - alpha canes venaticorum - pure white, olive
10" newtonian - delta cygni - white, rose
WZ cassiopeia - red, blue
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Starfleet
member
Reged: 05/26/09
Posts: 14
Loc: Luton, UK
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My top 5, and their colors as I see them, would be these:
Gamma Andromedae (yellow/greenish)
Rasalgethi (orange/greenish)
Castor (silver/silver)
95 Herculis (grape green/lemon yellow)
Epsilon Bootis (yellow/indigo blue)
I can't say I DISLIKED any of the others!!
Edited by Starfleet (06/06/09 07:20 AM)
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mikesemmler
member
Reged: 06/01/09
Posts: 28
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My Favorites are:
beta monocerus
54 leo
zeta cancer
jota cassiopeia
alpha herculis
eta persei
lambda orion
xi bootis
beta scorpi
beta capricorni
delta corvi
gamma delphini
my draconis
Michael
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asteroid7
Post Laureate
Reged: 10/19/04
Posts: 4238
Loc: CT
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ALL
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Clear Nights "Make My Day"
4.5" f/7 APM (TMB) APO Refractor CG5 GoTo with Orion extension tube
8" Celestron CPC (two)
Eyepieces:
40mm Pentax; 24mm Tele Vue Panoptic, 18mm Tele Vue Radian, 18mm HD Ortho, 15mm Celestron Omini,14mm Pentax,10mm Tele Vue Radian, 7mm,5mm & 3.5mm Nagler; 7.4mm Tele Vue Plossl.
2.5 Tele Vue Powermate
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auriga
scholastic sledgehammer
Reged: 03/02/06
Posts: 794
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Quote:
I thought long and hard before posting this and the positives outweigh the negatives. Here is my unqualified, first-blush, off-the-top-of-my-head list (no particular order, I'm NOT a detail-oriented guy):
Mizar
Albireo
gamma And
beta Mon
rho Ori
sigma Ori
lambda Ori
2 CVn
eta Cas
iota Cas
iota Cnc
zeta Cnc
gamma Leo (isn't that the gold-gold, bright pair?)
alpha CVn
h3945 in CMa
delta Cep
phi Tau
Struve 2816
iota Tri
(....others NOT on the top of my head! )
How about you? What's on YOUR list?
Well,I am new to systematic double star observing but here are mine accumulated over the years:
Mizar
Alberio
eta cass
epsilon lyrae
delta lyrae
Almach
gamma arietis
Cor Caroli
Beta Mon
Trapezium
sigma orionis
iota orionis
Struve 747 in Orion
h3945 in Canis Major
61 cygni
omicron cygni
beta sco
zeta sco
Polaris
iota orionis
nu draconis
Clear skies,
Bill Meyers
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Matthew Ota
Pooh-Bah
Reged: 04/30/05
Posts: 1095
Loc: New England
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Izar, Epsilon Bootes, is my favorite. It is hard to split in my 10 inch SCT unless the seeing is steady.
I once spent and entire evening in July of 1999 exploring all of the double star systems in Bootes. I was learning to use my setting circles at the time and it was a lot of fun...but now I use a GOTo and TheSky software to point to stars...it is much easier to do.
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Matthew Ota
Meade LX250GPS 10 inch SCT (Frankenscope)
Orion ED 80
ETX-90 OTA
Coronado Helios 1 H-alpha
TheSky 6 Pro
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Hrundi
Pooh-Bah
Reged: 02/06/08
Posts: 1230
Loc: Estonia
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STF 2816 in Tr37 is my current favorite.
Incredibly bright and pretty, and the surroundings are nice too.
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dpwoos
sage
Reged: 10/18/06
Posts: 207
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I think that I found this in Sellarium - HIP 98637 is home plate? What catalog is ES244 from?
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Ziggy943
Carpal Tunnel
Reged: 08/11/06
Posts: 1508
Loc: Utah
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Friday morning after the non lunar impact I went for Iota Cass and Beta Mon. This was an opportunity to compare both of these showpiece triples. Both are stunning but I really like the delicate structure of Iota. Make that my favorite triple!
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May your skies always be clear,
Ziggy
www.slas.us
4" Mak
#1, 160mm F8 TEC (born 1-18-2007, 27 lbs, 45.5" long), on AP900
6" F17.5 (D&G lens) (first light 6-7-2008)
9" F/14.8 Alvan Clark (1915), on Byers 812
14.25 F/5.5 Newt in a roll off observatory
Others, that have come and gone
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