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Cave Nebula HaRGB, 


            Mark Holbrook
Cave Nebula HaRGB
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Cave Nebula HaRGB

Technical card

Dates:Sept. 21, 2017

Integration: 0.0 hours

Avg. Moon age: 1.29 days

Avg. Moon phase: 1.86%

Basic astrometry details job: 1762805

RA center: 22h 56' 57"

DEC center: +62° 27' 18"

Pixel scale: 1.144 arcsec/pixel

Orientation: 269.767 degrees

Field radius: 0.789 degrees

Resolution: 3584x3442

Data source: Backyard


Unguided image with C14 Edge + Hyperstar on Paramount MX+

240x45sec OSC (x2 drizzled then int resampled to original) (3 hours total)
160x45sec Ha (2 hours total)



Mark Holbrook
License: None (All rights reserved)

Sky plot

Sky plot


Cave Nebula HaRGB, 


            Mark Holbrook