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Observing >> General Observing

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star drop
Guilty as Charged
*****

Reged: 02/02/08
Posts: 16395
Loc: Snow Plop, WNY
Moon Washing new
      #3427664 - 11/03/09 03:13 PM


Last Sunday night after exactly forty cloudy days and forty cloudy nights I was once again greeted by clear skies. The seeing and transparency were fair and the temperature was a mild for this time of year 32°F (0°C).
It figured that the obnoxious orbiting orb of orogeny had to be intruding into my observing session so it became my primary target. A quick look at Jupiter was disappointing with little fleeting evidence of detail on five or so fuzzy cloud bands and four dancing moon disks all tinged by the colors of atmospheric refraction. So back to the lesser light of the firmament I ventured for my first in depth look in nearly twenty years.
The seeing did not favor the use of much magnification but I wanted to first try to get a few afocal photographs using most of my eyepieces. For some reason that turned out to be a dismal failure. I still do not know how my daughters can get a sharp picture of the moon while hand holding a camera to the eyepiece.
For visual observation filters are okay but I rarely use any of mine preferring instead to let my retina be blasted with copious amounts of photons. I just make sure that I only use one eye to observe with so that I can still navigate using my other eye. The few objects that I mention below should be visible in most telescopes. For these observations I was using a 25" reflector at 350x magnification as the moon rose from an elevation of about thirty degrees to seventy five degrees above the horizon.
Since I am not a dedicated lunar observer I just scan back and forth across the moon looking for points of interest.The part of the moon that passes for a terminator a day before full moon is located at and near the edge of the lunar disk itself providing one an opportunity to view the surface relief with a backdrop of empty space. The various lunar Maria themselves revealed subtle shades of gray with hints of blues and browns. Myriads of craters, the majority looking more like rings than craters, were seen over lapping mountainous regions and flat plains alike. The conspicuous craters Copernicus and Tycho have extensive ejecta scattered across the lunar surface appearing as giant rays of brighter material spanning a sizable portion of the moon. An optical illusion that always gets the best of me is that Tycho's rays look like gouges carved into the lunar surface. Moving from Tycho past Copernicus about fifty percent farther lies the very bright crater Aristarchus. To me it is the whitest spot that can be seen on the lunar surface. Moving closer to the moon's north pole Vallis Alpes is a prominent gap across the mountains that separate Mare Imbrium and Mare Frigoris. The last item that caught my attention was a crater in the northeast quadrant which at this phase of the moon's illumination is a mere bright ring with another smaller crater nearly at it's center and another slightly larger one on the rim. It looked like a clock with a center pin and one lone dot to mark an hour position. Looking through my copy of "New Atlas of the Moon" by Legault and Brunier it appears that that crater is Posidonius.
Now my one eye has been moon washed.

--------------------
Ted


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hfjacinto
Almost got me
*****

Reged: 01/12/09
Posts: 2096
Loc: Union,NJ
Re: Moon Washing new [Re: star drop]
      #3427857 - 11/03/09 04:59 PM

Ted,

I understand!! But I love to look at the moon, the craters, rills, terminator. I may be blind for an hour afterwards but "When there's a moon over Linwood Road" I am in heaven.

FYI, there is a Sting song "Moon over Bourbon Street" that just gets me in the mood to howl at the moon

--------------------
C9.25 ASGT 9*50 MM Finder,FT Focuser & 2" Diagonal
Meade LXD 75 6 Inch SNT w 9*50 MM Finder
5,6,9,14.5 MM Zhummel Planetary EPs
13,17,21,24,31,36 MM Baader Hyperion
6.7,8.8 MM Meade UWA & 11 MM Nagler T6
Planetary, OIII and Narrowband Filters
Thousand Oaks Dew Control w Kendrick Heaters


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starrancher
professor emeritus


Reged: 06/09/09
Posts: 620
Loc: Northern Arizona
Re: Moon Washing new [Re: hfjacinto]
      #3427864 - 11/03/09 05:02 PM

Excellent !! I think my favorite phase is right at first quarter . Lots of stuff to see along the Terminator then .

--------------------
LXD75 AR5
LXD75 SN8
Series 4000 Plossls
Misc. other stuff


Fort Rock , Az .


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blb
sage


Reged: 11/25/05
Posts: 219
Loc: Piedmont NC
Re: Moon Washing new [Re: starrancher]
      #3427940 - 11/03/09 05:52 PM

Quote:

Excellent !! I think my favorite phase is right at first quarter . Lots of stuff to see along the Terminator then .




Yes, the Lunar X or Werner Cross is visible about that time! I love looking at that time each month.

--------------------
C-11, C-6, XT10i Dob, ETX125PE, TV102, & AT66


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Ptarmigan
Carpal Tunnel


Reged: 09/23/04
Posts: 2366
Loc: Arctic
Re: Moon Washing new [Re: star drop]
      #3428475 - 11/03/09 11:42 PM

I saw the Full Moon last night. I had Moon blindness. The best time to observe the Moon is when it is a half Moon. The craters are more visible.

--------------------
Ptarmigans=Cute and Cuddly
Meade Starfinder 8
Nikon 10x50
Rebel XT


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RonBurgundy
sage


Reged: 06/16/09
Posts: 271
Loc: Philadelphia
Re: Moon Washing [Re: Ptarmigan]
      #3429377 - 11/04/09 03:03 PM

I know how it is... That's why I use my left eye for everything else, and the right one for lunar observations. Still, a polarizer certainly helps. I'm a big fan of the moon, because every night there is something totally different to see...and get blinded by!

--------------------
Kipp Ginsburg
8" LX200-ACF
Orion 120mm F/5.0 Piggybacked Refractor
Meade UWA Set [4.7mm-30mm]
DSI-II


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Tim L
professor emeritus


Reged: 12/17/08
Posts: 565
Loc: Austin, TX
Re: Moon Washing new [Re: RonBurgundy]
      #3429552 - 11/04/09 04:28 PM

Ted,

Great post! Wow, you were feeling positively literary: "obnoxious orbiting orb of orogeny," and "lesser light of the firmament"! I don't know that I've seen the likes of it from you before.

Glad to see your observing report.

--------------------
Tim

Zhumell Z10 dob
Meade 60mm refractor
Zhumell 1.25" eyepiece and filter kit
Zhumell sky-glow, UHC, and OIII filters


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