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M51 Luminance - Nocturne Observatory

Started by geomorph, 05/05/2010 11:38PM
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Posted 05/05/2010 11:38PM Opening Post
Tyler Allred
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geomorph's avatar

Join Date: May 2003

Location: Tremonton UT, US

Posts: 2755

Hi all. I finally got a decent night, so spent the night collecting luminance data on M51. I ran the camera all night and got 80 frames at 5 minutes each, for a total of 400 minutes. I kept the background pretty light to show the extended portions of these interacting galaxies. Take a look and let me know your thoughts, comments, and/or suggestions.

Here is a link to the "Latest Images" page of my website. Be sure to click a few times to get the full version.

http://www.allred-astro.com/gpage8.html

Cheers,
Tyler
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"The expression of the beautiful is in direct ratio to the power of perception acquired by the artist." (Gustave Courbet)
Posted 05/06/2010 02:08AM #1
jeff OMeara
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Join Date: Sep 2005

Location: Boisbriand QC, CA

Posts: 175

Nice job Tyler, must be great to get some clear skies, nothing but clouds and rain here...

Jeff
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Posted 05/06/2010 11:09AM #2
Charles Hakes
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Join Date: Jun 2001

Location: Durango CO, US

Posts: 690

Nice image here. I can relate to those hazy skies. I like the light background on these monochrome shots too. That way you can see all the cool background stuff. As well as any imaging flaws, which I don't see here.

What were your thoughts behind selecting 5 minutes for subframes? Tracking? Saturation? Darks? I know with the LX200, I often can only get away with 5 minutes.

Charlie
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Fort Lewis Observatory: (37.238, -108.052) ~2360m (7744 ft.) elevation.
Darkness - typically 6.5+
Scope - Meade 16" LX200; f6.3 focal reducer
Focus - JMI Smart focus
Camera - SBIG ST-10XE; (~.5"/pixel)
Guiding - AO-8 and/or Meade 5"/DSI/PHD
http://www.fortlewis.edu/observatory
Posted 05/07/2010 03:52PM | Edited 05/07/2010 03:53PM #3
Mike Clemens
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Join Date: Oct 2001

Location: wasilla AK, US

Posts: 495

This is awesome. That is my dream camera as a galaxy hunter with the TEC200.
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