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M26 in Scutum

 

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Scope: C8 f/5.8; Location: Dos Picos Park, Ramona, CA;  5 September 2008; Camera: Artemis285

Exposure: 14 x 1 min Luminance exposure (bin 1x1) with Baader IR Block Filter; 8 x 1 min SkyGlo filter (bin 1x1); 8 x 1 min RGB (bin 1x1)

Processing: Images were captured Artemis Capture (as FITs). Aligned/stacked and dark subtracted in Astroart with Sigma Combine. Luminance and Color channels were scaled and rough color balanced in Astroart.  Channels were co-registered in Astroart. The 1 minute IR block exposures were used for the main luminance construction. The 1 minute SkyGlo exposures were used for star size reduction on the larger stars. Level adjustments and curves were applied to bring out dimmer stars. LRGB combine was done in Photoshop. Final touches  applied in Photoshop.  Final Image size is approximately 1392x1040.

This image was guided; North is up.    M26 is an open cluster in the constellation of Scutum. M26 is approximately 5,000 light years distant from Earth. This image replaces an earlier image that can be seen in the Archives here. Horizontal FOV is 26'

Image Center is approximately - Equatorial 2000: RA: 18h 45m 12.0s Dec: -0924'00" 

 

All images and content remain the property of Jim Thommes - copyright 2003 - 2012

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