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  #1  
Old 04-04-2013, 10:30 PM
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Dietmar
anatomic astronomer

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Whale There she blows!!!
Hi guys!

it's been a while since my last post in this forum.
Luckily I have something to present today.

Torsten Grossmann, my friend from Berlin and me, we collected some keen data on the whale galaxy.
Torsten utilized his 7" Apo and I my 9"er.
The data I collected, however, is "old"...dationg back to 2007; a night with gorgeous seeing. I used my OSC (M25C) those days back.
Torsten used an SBIG based upon a KF2044 sensor.

Luminance data: 15x20 Min
R,B data: 2x2 binning 9x7 min
G data: 2x2 binning 9x6 min

OSC data: 3,5 hours (10 min subs)

Unfortunaltey we had to crop the image dramatically, because we had troubles finding a decent guide-star (Sbig)...so ngc4631 was pretty much off center...well, you cannot win them all (-:

The image can be found on my website
http://www.stargazer-observatory.com/NGC4631.html

as well as here: here we go!

http://www.stargazer-observatory.com...C4631-1150.jpg
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  #2  
Old 04-04-2013, 10:46 PM
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h0ughy (David)
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looks a stunning image - old data or not it must be the more mature image processing as well
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  #3  
Old 04-04-2013, 10:49 PM
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What a beautiful, stunning, image!
Thanks for sharing.

Jakob.
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  #4  
Old 04-04-2013, 10:56 PM
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Wow that is very cool!
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  #5  
Old 04-04-2013, 11:02 PM
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Larryp (Laurie)
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Very nice!
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  #6  
Old 05-04-2013, 08:58 AM
Ross G
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A beautiful photo Dietmar.

Ross.
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  #7  
Old 05-04-2013, 09:25 AM
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multiweb (Marc)
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Ha! That's soooo cool! It is a whale.
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  #8  
Old 05-04-2013, 10:38 AM
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David Fitz-Henr
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That looks great - well done Torsten & Dietz!
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  #9  
Old 05-04-2013, 12:35 PM
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That's superb image of the Whale. Really nice.

Greg.
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  #10  
Old 05-04-2013, 01:17 PM
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I saw this on Facebook and thought it quite beautiful. Well done.
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  #11  
Old 05-04-2013, 08:48 PM
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seeker372011 (Narayan)
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Lovely colours, a most attractive image
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  #12  
Old 05-04-2013, 09:18 PM
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allan gould
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A beautiful and detailed image of this object. One of the best I have seen. Congratulations are well deserved.
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  #13  
Old 06-04-2013, 01:12 AM
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Dietmar
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thanks guys!

here is a version with slight enhacement of details and colors here and there (-:

http://www.stargazer-observatory.com/NGC4631-crop.html
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  #14  
Old 06-04-2013, 10:07 PM
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RobF (Rob)
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Quite extraordinary really. Amazing detail, and looks even more like a whale than any other pic I've ever seen!
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  #15  
Old 09-04-2013, 04:00 PM
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CoolhandJo (Paul)
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Fantastic and visually stunning object and capture - well done
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