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Contains:  NGC 4627, NGC 4631, NGC 4656, NGC 4657, NGC4627, NGC4631, NGC4656, NGC4657
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Whale & Hockey Stick, 


            Bob J
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Whale & Hockey Stick

Technical card

Dates:March 15, 2018March 16, 2018March 17, 2018

B: 25x180" (gain: 139.00) -20C bin 2x2
G: 25x180" (gain: 139.00) -20C bin 2x2
L: 37x180" (gain: 139.00) -20C bin 1x1
Astrodon R: 25x180" (gain: 139.00) -20C bin 2x2

Integration: 5.6 hours

Darks: ~70

Flats: ~80

Flat darks: ~40

Bias: ~100

Avg. Moon age: 28.52 days

Avg. Moon phase: 1.83%

Temperature: -3.00 job: 1983015

RA center: 12h 42' 56"

DEC center: +32° 20' 58"

Pixel scale: 0.862 arcsec/pixel

Orientation: 94.816 degrees

Field radius: 0.645 degrees

Resolution: 4272x3288

Data source: Backyard



Bob J
License: Attribution-NonCommercial-ShareAlike Creative Commons

Sky plot

Sky plot


Whale & Hockey Stick, 


            Bob J