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NGC 7686 in Andromeda

 

CLICK ON IMAGE FOR FULL SIZE VIEW (2000x1500)

Scope: Megrez 80 mm refractor at f/5.6, Location: Blair Valley, Anza Borrego Desert, CA   23 August 2012  Camera: Artemis285

Exposure: 14 x 5 min  (1x1 bin) exposure with UV/IR block, 8 x 2.5 min (2x2 bin) RGB exposures.

Processing: Data Collection -  Artemis Capture (as FITs).  Calibrated, stacked (Sigma Combine), LRGB channel registration, equalization - Astroart.  Curves, Levels, LRGB combine and finishing  - Photoshop. This image is a straightforward LRGB combine with Luminance layering.     Final Image size is approximately 2000 x 1494.

North is up in this image. NGC 7686 is an open star cluster in the constellation of  Andromeda.  This star cluster has about 40 members - its distance is unclear (references from 900 light years to 3,000 light years). It is also unclear if the brighter stars are members or foreground stars.with   Horizontal FOV is 68'

Image center is approximately - Equatorial 2000: RA: 23h 30m 12s Dec: +4908'00"

 

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