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M11 in Scutum

 

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Scope: C8 f/4.8; Location: Dos Picos Park, Ramona, CA;  23 August 2008; Camera: Artemis285

Exposure: 12 x 1 min Luminance exposure (bin 1x1) with Baader IR Block Filter; 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 with level adjustments and curves to bring out object features. LRGB combine was done in Photoshop. Final touches and slight crop and resize applied in Photoshop.  Final Image size is approximately 1400x1050.

This image was guided; North is up.    M11 is a rich and compact open cluster located in the constellation of Scutum. M11 is considered a relatively young cluster with an estimates of age from 220 to 500 million years.  M11 is about 6,000 light years distant from Earth. This image replaces an earlier image that can be seen in the Archives here. Horizontal FOV is 24'

Image Center is approximately - Equatorial 2000: RA: 18h 51m 06s Dec: -0616'00"

 

 

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

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