Jump to content


Photo

What Finder Do You Use?

  • Please log in to reply
49 replies to this topic

#1 JayinUT

JayinUT

    I'm not Sleepy

  • *****
  • Posts: 3933
  • Joined: 19 Sep 2008
  • Loc: Utah

Posted 02 February 2013 - 11:18 AM

Just curious what finder you use? Is it a finder scope like the 9x50 RACI? Is it a refractor mounted? Or do you simply use an eyepiece? I am leaving the 9x50 for just the Telrad and the wide field eyepiece which I am finding easier on faint stuff. So what do you use? Thoughts on the eyepiece alone approach with the Telrad.

#2 Carol L

Carol L

    Fly Me to the Moon

  • *****
  • Posts: 7276
  • Joined: 05 Jul 2004
  • Loc: Tomahawk, WI 45N//89W

Posted 02 February 2013 - 11:59 AM

I use a red-dot to get into the ballpark, and then a wide fov ep.

#3 kenrenard

kenrenard

    Surveyor 1

  • -----
  • Posts: 1562
  • Joined: 13 Dec 2012
  • Loc: Dunmore, PA

Posted 02 February 2013 - 12:09 PM

I use a Telrad and a 9 x 50 RACI. I need all the help I can get

:jump:

Ken

#4 csa/montana

csa/montana

    Den Mama

  • *****
  • Posts: 86521
  • Joined: 14 May 2005
  • Loc: montana

Posted 02 February 2013 - 12:15 PM

On my 16" dob, I have a Telrad, 8x50 Antares RACI, and a 5mW laser. I use the Telrad almost exclusively. On my 80mm refractor, I have a Stellarview F2 Multi-reticle Reflex finder.

#5 MikeRatcliff

MikeRatcliff

    Surveyor 1

  • *****
  • Posts: 1785
  • Joined: 12 Jun 2004
  • Loc: Redlands, CA

Posted 02 February 2013 - 12:44 PM

I use a 70mm Gary Russell RACI finder and a Telrad. The RACI is the primary finder for me. Unfortunately, the long slender design of the Russell (allowing it to fit into 50mm rings) cuts off some of the aperture, so it probably is more like a 50mm or 60mm.

The Telrad I admit to using as a glorified red dot finder for getting in the ballpark. And not using the degree spacings of the rings or Telrad finder charts.

It would be interesting to try the wide field eyepiece instead of the RACI as an experiment. It's easier to match up star patterns between the RACI and charts, but you eventually have to get to the eyepiece view anyway. The RACI may have an advantage in not changing eyepieces as much.

Mike

#6 northernontario

northernontario

    Apollo

  • *****
  • Posts: 1130
  • Joined: 01 Jul 2009
  • Loc: Porcupine, Ontario Canada

Posted 02 February 2013 - 12:44 PM

Telrad on the Dob.

On the refractor...telrad.

On the go to SCT....the stock finder scope...until I am lined up, then the finder is no longer required and can go into your back pocket.

jake

#7 John Kuraoka

John Kuraoka

    Ranger 4

  • *****
  • Posts: 371
  • Joined: 12 Dec 2012
  • Loc: Sunny San Diego, CA

Posted 02 February 2013 - 12:53 PM

I use the stock red-dot E-Z Finder that came with my scope. Once it's sighted in, it gets me close enough with my low-power eyepiece.

#8 Special Ed

Special Ed

    Fly Me to the Moon

  • *****
  • Posts: 7064
  • Joined: 18 May 2003
  • Loc: Greenbrier County, WV 38N, 80W

Posted 02 February 2013 - 01:18 PM

I often use my Canon 12x36 image stabilised binoculars to find the target or to get a feel for the star patterns if the target is not detected. Then I use the Telrad on the C8 and star hop using the degree circles. The stock 10x30 finderscope on the C8 isn't much.

Same process with the Astroscan except I use a Rigel Qwikfinder because a Telrad won't work on the scope's stubby, rotund body.

Of course, it should go without saying that one should always use a low power ep during the finding phase but there--I said it anyway.

On my pier mounted C14, all I have to find is the hand controller. (Sorry, Goto is still new to me and it's like magic) :)

#9 Dennis_S253

Dennis_S253

    Surveyor 1

  • -----
  • Posts: 1729
  • Joined: 22 Nov 2011
  • Loc: West Central Florida

Posted 02 February 2013 - 01:29 PM

I use the Celestron 6X30 LER staright through with a 7 degree FOV.

#10 REC

REC

    Fly Me to the Moon

  • *****
  • Posts: 5346
  • Joined: 20 Oct 2010
  • Loc: NC

Posted 02 February 2013 - 01:33 PM

8x50 on my fractor.

#11 Sorny

Sorny

    Viking 1

  • -----
  • Posts: 781
  • Joined: 15 Mar 2012
  • Loc: Southern MN

Posted 02 February 2013 - 03:10 PM

$20 red-dot celestron on both of my scopes. Illuminated reticle eyepiece to align them, then the red-dot is turned off and ignored as it should be.

#12 Jon Isaacs

Jon Isaacs

    ISS

  • *****
  • Posts: 44342
  • Joined: 16 Jun 2004
  • Loc: San Diego and Boulevard, CA

Posted 02 February 2013 - 03:46 PM

Just curious what finder you use? Is it a finder scope like the 9x50 RACI? Is it a refractor mounted? Or do you simply use an eyepiece? I am leaving the 9x50 for just the Telrad and the wide field eyepiece which I am finding easier on faint stuff. So what do you use? Thoughts on the eyepiece alone approach?


Jay:

My choice of finders depends on the telescope as well as the conditions. A refractor with a 2 inch focuser and a focal length of 700mm or less provides a 3.5 degree TFoV or greater so a red dot finder to point to the region of interest is all that is required because the scope itself is essentially a super finder.

For longer focal length scopes, Newtonian in the 1200mm + range, I prefer a Telrad and a magnifying finder, usually a 50mm operating at 8x or 9x . If the skies are dark and clear, then it is very often possible to just use the Telrad and a widefield eyepiece though the magnifying finder is a nice fall back. If the skies are not so dark and clear, a magnifying finder is a necessity because there are regions of the sky that are sparsely populated, so there not enough guide stars visible to use the Telrad effectively.

Jon

#13 rathbaster

rathbaster

    Viking 1

  • *****
  • Posts: 925
  • Joined: 21 Mar 2008
  • Loc: East Bridgewater, MA

Posted 02 February 2013 - 03:53 PM

I use a Telrad on all my scopes and then the widest field of view eyepiece I have once I'm in the area.

-Joe

#14 Edward E

Edward E

    Apollo

  • *****
  • Posts: 1022
  • Joined: 26 Mar 2006
  • Loc: Tucson, Arizona

Posted 02 February 2013 - 03:54 PM

I use an old Edmonds Scientific 5X50 Deluxe finder. It has 12 degree FOV and very good eye relief. Not many of these finders out there anymore. This finder has a propriety "eyepiece" so cannot switch eyepieces with it. Using this finder and Mr. Fred Dase "Hershel 400 Atlas" and there is very little that I cannot find with my C11 or 20" Dob.

Attached Files



#15 Achernar

Achernar

    Cosmos

  • *****
  • Posts: 9126
  • Joined: 25 Feb 2006
  • Loc: Mobile, Alabama, USA

Posted 02 February 2013 - 04:01 PM

I use 50mm straight through finderscopes and Telrads, in tandem with each other and digital setting circles. If it's possible to see it given the local sky conditions, and the telescope, I'll find it.

Taras

#16 droid

droid

    rocketman

  • *****
  • Moderators
  • Posts: 7201
  • Joined: 29 Aug 2004
  • Loc: Conneaut, Ohio

Posted 02 February 2013 - 04:09 PM

Im currently using a 9x50 finder and telrad on all my scopes.
Working on mounting an 80mm for a finder

#17 Feidb

Feidb

    Surveyor 1

  • -----
  • Posts: 1763
  • Joined: 09 Oct 2009
  • Loc: Nevada

Posted 02 February 2013 - 05:38 PM

I have a straight-through 50mm finder (I stopped using brand names to avoid circular arguments... see the eyepiece forum for examples). However, I only use that finder when it's not dark enough or is too cold for my green laser pointer not to work. My primary finder is the green laser pointer. I make sure there are no aircraft in that area of sky or nobody is trying to image there and point to the spot from my star chart. Then, using my usual 18mm (102X) 82 degree starter eyepiece, I mow the lawn until I either find the object or give up and move on to the next one. 90% of the time I find the object.

#18 kfiscus

kfiscus

    Vanguard

  • *****
  • Posts: 2241
  • Joined: 09 Jul 2012
  • Loc: Albert Lea, MN, USA

Posted 02 February 2013 - 06:19 PM

Straight 9x50 and Telrad on each scope.

#19 faintfuzzy

faintfuzzy

    Lift Off

  • -----
  • Posts: 3
  • Joined: 02 Jan 2013
  • Loc: Atlanta, North

Posted 02 February 2013 - 06:26 PM

Telrads, Rigel Quickfinder, 9x50 RACI, 6x30 straight, red dots, mounted GLP.

#20 CelestronDaddy

CelestronDaddy

    Viking 1

  • *****
  • Posts: 891
  • Joined: 21 Aug 2009
  • Loc: Central Texas

Posted 02 February 2013 - 06:28 PM

RDF usually and wide EP... :grin:

#21 MikeBOKC

MikeBOKC

    Aurora

  • *****
  • Posts: 4598
  • Joined: 10 May 2010
  • Loc: Oklahoma City, OK

Posted 03 February 2013 - 02:20 AM

9 x 50 RACI on the big scopes, red dot on the refractor.

#22 berobertsmd

berobertsmd

    Vostok 1

  • *****
  • Posts: 180
  • Joined: 27 Sep 2009
  • Loc: Brandon, Mississippi

Posted 03 February 2013 - 11:53 AM

I use a Telrad with optional variable pulsar module. With the pulsar I'm able to see fainter objects. It was easy DIY install. Now can control brightness and rate of reticle image in the Telrad viewfinder. I also added the 2" riser which makes it much easier to see reticle, especially for objects higher above horizon.

#23 joelimite

joelimite

    Surveyor 1

  • *****
  • Posts: 1787
  • Joined: 01 Sep 2008
  • Loc: Colorado Springs, CO

Posted 03 February 2013 - 01:08 PM

I use a 1x Rigel QuickFinder and a 9x50 RACI finder on my 12-inch Dob. It's the perfect combination for star-hopping. I use the QuickFinder to center on a bright star and then the RACI to hop to my target. On my other scopes, I typically just use a 1x finder of some form or another.

#24 roscoe

roscoe

    curmudgeon

  • *****
  • Posts: 3475
  • Joined: 04 Feb 2009
  • Loc: NW Mass, inches from VT

Posted 03 February 2013 - 06:10 PM

red dot, then RACI with a 12.5 ortho in it, making it a 17x50, then scope.

Russ

#25 FirstSight

FirstSight

    Duke of Deneb

  • *****
  • Moderators
  • Posts: 9912
  • Joined: 26 Dec 2005
  • Loc: Raleigh, NC

Posted 03 February 2013 - 11:42 PM

On my 12" reflector, I have both:
1) Telrad (which is a dew magnet) and
2) Stellarvue 60mm RACI finderscope with a 24mm Panoptic eyepiece. In darker skies, it provides a worthy panoramic view in its own right.

On my NP-101 refractor, I have a TV Starbeam red-dot finder. Nice range of brightness control options, but only a single, rather large round dot pattern. However, the brightness control can be set to make the dot effectively transparent, yet still bright enough to easily see.

On my Megrez 90 refractor, I have a nice red-dot finder with variable brightness control and several choices of target pattern.






Cloudy Nights LLC
Cloudy Nights Sponsor: Astronomics