NGC 288 in Sculptor

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Scope: C8 at  f/7.5 Location: Laguna Mountains, CA;   8  September, 2007; Camera: Artemis285

Exposure: 10 x 120 sec exposures with IR/UV Block filter (1x1);  8 x 90 sec each RGB exposures (2x2).

Processing: Images were captured  with Artemis Capture (as FITs).  Aligned/stacked and dark subtracted in Astroart with Sigma Combine.   H-Alpha  and Color channels were scaled and  color balanced (background equalized) in Astroart.  Channels were co-registered in Astroart.  Luminance construction consisted of the IR/UV Block exposure.  Curves and Levels applied in Photoshop to the Luminance construction to optimize object features.  Final LRGB combine was done in Photoshop using Luminance Layering (or LLRGB).  Final Image size is approximately 1040x1392

North is up in this image. NGC 288 is a somewhat loose globular cluster.  The NGC 288 globular cluster is close to the more famous Sculptor Galaxy - many wide field images sow both the Sculptor Galaxy and the NGC 288 globular in the same image. There are two faint galaxies in this image field - one to the far left, slightly lowerer than center is catalogued PGC766121 (Mag 16.7) - and one just to the right of the cluster but left of a blue staris catalogued PGC3068 (Mag 15.6) . NGC 288 is about 28,700 light years distant from Earth. This image replaces an earlier image that can be seen in the Archives here . Horizontal FOV is 20'

Image center is located approximately - Equatorial 2000: RA: 00h 52m 46s Dec: -26°35'10"

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

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