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NGC 2903

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#1 JayinUT


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Posted 20 March 2010 - 11:27 AM

I have been having a nice streak of luck with skies (not as nice as I would like since Tuesday through last night was not good) and will be heading out tonight for one more time with DSO's before the moon gets too bright.

NGC 2903 Spiral Galaxy in Leo.
07:45 UT
Seeing III
LMV: 6.9 - 7.2
Mag. 9.0
RA 9h 32.2
Dec +21:30
XT10, 13mm Stratus with 2x barlow; 92x & 184x

Shows a bright inner core that is star like at first but with averted vision came out quite strong. Dust lanes/mottling evident with a strong lane that came and went with conditions in the center of the galaxy. A strong halo around the core that diffuses as it goes toward the edge. Hint of two arms are evident at either end. Sorry, I noticed I did not put my cardinal points on this. The galaxy sits north-south if I remember right. I'll check that tonight (it was my last item of the night). As Mark has noticed, it you are on a laptop and tilt the screen you should see more or less detail.

Charles Messier missed this by only by a small amount when completing his catalog. Three times he had comets he discovered come quite close to this object. William Herschel discovered it on November 16, 1784. It is estimated to be 20.5 million light years away.

Posted Image

#2 S1mas


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Posted 20 March 2010 - 12:37 PM

Amazing observation you got there, Thanks for sharing :)

#3 JayKSC



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Posted 20 March 2010 - 01:10 PM

Jay (in Utah),

Thank you for sharing this great sketch! NGC 2903 is one of those galaxies that I've kept missing, too - much like Messier. Maybe later this spring with the next new moon cycle I'll try to catch this bright little galaxy.

:) Jay
South Florida

#4 ladip63


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Posted 20 March 2010 - 02:57 PM

WOW! Really cool Jay! :D
Great looking sketch.


#5 frank5817



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Posted 20 March 2010 - 03:16 PM


This is a very, very nice sketch of this easy to locate galaxy in Leo. :bow: :rainbow: :bow:
I did get a good look a few nights back but no sketch for me.

Frank :)

#6 mathteacher



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Posted 20 March 2010 - 09:03 PM

That's very neat. It's cool that you can see the spiral arms.

#7 Sol Robbins

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Posted 20 March 2010 - 11:03 PM

Great sketch Jay!

#8 CarlosEH



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Posted 21 March 2010 - 12:32 AM


An excellent observation of NGC 2903. This appears to be an interesting spiral galaxy in Leo. Thank you for sharing it with us all.


#9 Jeff Young

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Posted 21 March 2010 - 02:46 PM

Awesome sketch, Jay. You're really getting the hang of it. :waytogo:

-- Jeff.

#10 Michael & Louise

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Posted 21 March 2010 - 08:20 PM

Jay, that's a great observation of NGC 2903. I've got it on my "to view list" for this spring as well. This one would have a lot more exposure if Messier had catalogued it I'm sure.

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