PN G164.8+31.1 Planetary Nebula in Lynx
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ON IMAGE FOR FULL SIZE VIEW (2400x1800) Scope:
Celestron 9.25 Edge 235 mm at f/7, Location: Shelter Valley, Anza Borrego Desert, CA
6 February 2016 Camera: ST8300M (Baader LRGB filters) Exposure:
Exposure: 16 x 8 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 - 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. PN 164.8+31.1 is a bright planetary nebula in the constellation of
Lynx. It is the object that dominates this field. There a a number of background
galaxies in the filed and two compact galaxy groups. The most prominent
background galaxy is UGC 4085 toward the right edge of the image. - it is a
member of a compact galaxy group (SDSSCGB-41529). One of the background
galaxies is seen through the blue / green glow of the planetary nebula. These galaxies are identified and highlighted in
the annotated image.
The Horizontal FOV is 38' Image
center is approximately - Equatorial 2000: RA: 07h 57m
46s Dec: +53°24'55"
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