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Dates:Sept. 7, 2016
Frames: 80x600"
Integration: 13.3 hours
Avg. Moon age: 5.60 days
Avg. Moon phase: 31.53%
Astrometry.net job: 1235716
RA center: 22h 57' 14"
DEC center: +62° 36' 10"
Pixel scale: 1.716 arcsec/pixel
Orientation: -176.239 degrees
Field radius: 0.755 degrees
Resolution: 2532x1902
Locations: Howling Moon Observatory, SoCal, CA, None
The Cave Nebula (Sh2-155) in narrowband.
Due to continuing fog here, I decided to bin the images 2x2 and go for shorter subs. It took 12 nights over late august and early september to get enough to make this image.
Image is 40 Ha subs, 21 Oiii subs and 19 Sii subs; Ha subs are 5 minutes, binned 2x2 ... Oiii and Sii are 10 minute subs binned 2x2.
I drizzled the subs and used the Ha as a Lum for this version (Rev A)
Rev A = My preferred green palette
Rev B = My blue-green palette
Rev C = closer to a traditional SHO Hubble palette (but let's face it, I am a little goofi)
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