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M51 - The Whirlpool Galaxy

  • DaveGrennan
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  • IFAS Astronomer of the Year 2010
  • IFAS Astronomer of the Year 2010
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18 years 6 months ago #24744 by DaveGrennan
M51 - The Whirlpool Galaxy was created by DaveGrennan
This is the second image from our mayo weekend.

Spiral Galaxy M51

webtreatz.com/component/option,com_zoom/...geNo,3/key,22/hit,1/

Details as usual under the image.
Regards and Clear Skies,

Dave.
J41 - Raheny Observatory.
www.webtreatz.com
Equipment List here

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18 years 6 months ago #24751 by dave_lillis
Replied by dave_lillis on topic Re: M51 - The Whirlpool Galaxy
Nice detail visible oin the arms, thats one on my list to get over the next few months. I think maybe a longer exposure is needed to get rid of the graininess?
Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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  • DaveGrennan
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  • IFAS Astronomer of the Year 2010
  • IFAS Astronomer of the Year 2010
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18 years 6 months ago #24838 by DaveGrennan
Replied by DaveGrennan on topic Re: M51 - The Whirlpool Galaxy
Dave, more frames will improve the S/N ratio, longer exposures would probably only make it worse.


Anyway I've done a reprocess of this, I like it more but I'm interested to see what others think.

Take 1;

webtreatz.com/component/option,com_zoom/...geNo,3/key,22/hit,1/
Take 2;

webtreatz.com/component/option,com_zoom/...geNo,3/key,25/hit,1/
Regards and Clear Skies,

Dave.
J41 - Raheny Observatory.
www.webtreatz.com
Equipment List here

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