M39 in Cygnus
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Scope: Megrez II f/4 Location: Del Mar, CA 28 Oct. 2006 Camera: Artemis285
Exposure: 12 x 60 sec Luminance with IR Block Filter (bin 1x1); 8 x 60 sec RGB (1x1 bin)
Processing: Images were captured Artemis Capture (as FITs). Aligned/stacked in Registax 3 and saved as FITS. Luminance and Color channels were scaled and rough color balanced in Astroart. Central Gradient removal was performed in Astroart. Channels were co-registered in Astroart. The 60 sec IR block exposures were used as the main luminance construction with level adjustments and curves to bring out dim stars. Final LRGB combine was done in Photoshop. Final touches were done in Photoshop. A light surface blur was applied to the background. Final Image size is approximately 1392x1040.
North is up in this image. M39 is loose open cluster located in the constellation of Cygnus. The cluster is one of the Milky Way's nearer clusters to Earth at a distance of approximately 825 light years. This image replaces and earlier image that can be seen in the Archives here . Horizontal FOV is 98'
Image center is approximately - Equatorial 2000: RA: 21h 31m 57s Dec: +48°25'15"
All images and content remain the property of Jim Thommes - copyright 2003 - 2012
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