Emission Nebula IC 410
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Scope:  C8 at f/3.1 and Megrez II at f/6.25, Location: Blair Valley, Anza Borrego Desert, CA   29 October, 2005  Camera: Artemis285

Exposure: 7 x 300 sec H-Alpha (1x1)(C8),  8  x 180 sec Luminance (1x1)(Megrez II) with  IR/UV Block plus Red Filter 8 x 80 sec RGB Exposures (2x2)(Megrez II).

Processing: Images were captured  with Artemis Capture (as FITs).  Aligned/stacked in Registax 3 and saved as FITS. Luminance,  H-Alpha,   and Color channels were scaled and rough color balanced in Astroart. Central gradient removal in Astroart. Channels were co-registered in Astroart.  In Photoshop, the H-Alpha exposure was the main exposure for the luminance construction - the  180 sec Luminance was used for star field depth and detail and to correct edge star distortion that occurs with the focal reducer on the C8. Curves and Levels were applied in Photoshop to optimize object appearance.  Final LRGB combine was done in Photoshop using Luminance Layering (or LLRGB).  Some HA data was combined with red channel to deepen the red of the nebula somewhat. Color balancing and final touches were done in Photoshop.  Selective layer sharpening was performed on prominent nebula features. Final Image size is approximately 1392x1040.

All exposures in this image were guided; North is up in this image. IC 410 is an emission  nebula in Auriga. The two nebula features in the upper left resemble "pollywogs". This image replaces an earlier image that can be seen in the Archives here. The Horizontal FOV is 50'.

Image center is located approximately - Equatorial 2000: RA: 05h 22m 44s Dec: +3324'43"

 

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