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IC 342 in Camelopardalis

 

CLICK ON IMAGE FOR FULL SIZE VIEW (2400x1800)

Scope: Celestron 9.25 Edge 235 mm at f/7, Location: Blair Valley, Anza Borrego Desert, CA   10 October 2015  Camera: ST8300M (Baader LRGB filters)

Exposure: Exposure: 20 x 10 min (2x2 bin) IR/UV block exposures;  8 x 4.5 min (3x3 bin) RGB exposures.

Processing: Data Collection -  Sequence Generator Pro (as FITs).  Calibrated, stacked (Sigma Kappa Combine) in Deep Sky Stacker, L - RGB channel registration, equalization, central gradient removal - Astroart.  Curves, Levels, and Luminance development, RGB combine - Images Plus. Finishing  - Photoshop. Color calibration with eXcalibrator. This image uses UV/IR Block for the Luminance channel and then a LRGB combine with Luminance layering.  Saturation in LAB color.   Final Image size processed at approximately 3352x2532 cropped and resized to 2400x1800.

North is up in this image.  This field is dominated by the galaxy IC 342. This is a spiral galaxy (morphology SAB(rs)cd). This morphology is interpreted as an intermediate spiral / barred galaxy with a weak ring and loose, somewhat clumpy spiral arms.  It is in an area of the sky where its light experiences some extinction as it passes through obscuring Milky Way dust and galactic material. There are two other galaxies detectable in this field. - one to the left of IC 342 (LEDA 166480) and one in the upper right corner (UGC  2826). These galaxies as well as IC 342 and some of the brighter stars  are identified  and highlighted in the annotated image. IC342 is relatively close at about 11 million light years distant; UGC 2826 is about  68 million light years distant. This image replaces an earlier image that can be seen in the Archives here. The Horizontal FOV is 38'

Image center is approximately - Equatorial 2000: RA: 03h 46m 48s Dec: +6805'47"

 

All images and content remain the property of Jim Thommes - copyright 2003 - 2015 copyright 2003 - 2012

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