IC1275, IC1274 - Sagittarius
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Scope: C8 at f/4.8,  Location: Laguna Mountains, CA   17 June 2006,   Camera: Artemis285

Exposure: 5 x 360 sec H-Alpha (1x1),  6 x 120 sec IR/UV Block Filter (1x1), 6 x 60 sec RGB Exposures (2x2).

Processing: Images were captured  with Artemis Capture (as FITs).  Aligned/stacked in Registax 3 and saved as FITS. Luminance,  H-Alpha, IR/UV Block,  and Color channels were scaled and  color balanced in Astroart. Channels were co-registered in Astroart.   Curves and Levels applied in Photoshop to optimize object features. Final LRGB combine was done in Photoshop using Luminance Layering (or LLRGB) - G2V calibration factors and Atmospheric Extinction factors were applied.   SGBNR was used to smooth background noise on the final result.  Final Image size is approximately 1387x1040.

All exposures in this image were guided; North is up in this image. This image is an individual half of a two frame mosaic of the IC1275 - IC4685 Region.   The Horizontal FOV is 32'.

Image center is located approximately - Equatorial 2000: RA: 18h 09m 37s Dec: -2338'23"

 

 

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