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Seldom Imaged Galaxy - Draco

Started by jthommes, 04/16/2009 06:10PM
Posted 04/16/2009 06:10PM Opening Post
I think some of you have imaged this guy though. NGC 4236 is a galaxy spanning about 22 arc minutes in Draco. I suspect it is not frequently visited due to its low surface brightness. Its odd that it is dim yet relatively close (as part of the M81 group). I actually binned the luminance 2x2 in order to get reasonable signal level. The image and exposure / processing details are here:

http://www.jthommes.com/Astro/NGC4236.htm

Scope - C8 at f/6.4
Camera - Artemis285 - IR/UV Block, RGB filters
Mount - G11/Gemini
Guiding - WO Megrez 80 mm at 1350 mm FL, DSI Pro, PHD guiding

Jim Thommes

Mak-Newt 152 mm
C8
Megrez II APO
Zenithstar 66 mm APO
G11/Gemini
ST8300M
Artemis285 Camera
Canon 350D DSLR

http://jthommes.com/Astro/
Posted 04/17/2009 03:05AM #1
Hi Jim

Beautiful Galaxy and one I've never seen before ! great work and I really do hope you get much more exposures for It.

Regards


LouieĀ  8)

www.atalas.net
Posted 04/17/2009 02:24PM #2
Hi Jim,

Nice image, I think I'll try this one soon.

Jeff
Posted 04/17/2009 03:28PM #3
That is an interesting object Jim, and a nice image as well. I sure hope my skies clear up soon. We are about to float away from all the rain and snow here in Utah.
Cheers,
Tyler

"The expression of the beautiful is in direct ratio to the power of perception acquired by the artist." (Gustave Courbet)
Posted 04/17/2009 03:31PM #4
Jim,

Boy, that sucker's dim! Nice job catching it!

Eric
Posted 04/18/2009 03:38AM #5
Thanks for the comments folks. any more activity on this one may have to happen next year as it is only available in the west now.

Jim Thommes

Mak-Newt 152 mm
C8
Megrez II APO
Zenithstar 66 mm APO
G11/Gemini
ST8300M
Artemis285 Camera
Canon 350D DSLR

http://jthommes.com/Astro/
Posted 04/18/2009 08:04AM #6
ooh that's an interesting image.
Nicely done.

Greg.