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Contains:  NGC 6823, NGC 6820
Getting plate-solving status, please wait...
NGC6820 Narrowband, 


            Andrew Barton
NGC6820 Narrowband

NGC6820 Narrowband

Technical card

Resolution: 4656x3520

Dates:May 21, 2018

ZWO H-Alpha 7nm 36mm: 29x300" (gain: 200.00) -10C bin 1x1
ZWO OIII -7nm 36mm: 30x300" (gain: 200.00) -10C bin 1x1
ZWO S-II 7nm 36mm: 29x300" (gain: 200.00) -10C bin 1x1

Integration: 7.3 hours

Avg. Moon age: 6.69 days

Avg. Moon phase: 42.63% job: 2076453

RA center: 295.875 degrees

DEC center: 23.290 degrees

Pixel scale: 0.532 arcsec/pixel

Orientation: 271.039 degrees

Field radius: 0.432 degrees

Locations: Backyard, Tucson, Arizona, United States

Data source: Backyard


This is my first attempt at narrowband imaging. This data was taken over two night that weren't the best (transparency and seeing) around the first quarter of the moon. I am pretty happy with the results.

Filter mapping:
R <- S-II
G <- H-a
B <- O-III



Andrew Barton
License: Attribution Creative Commons

Sky plot

Sky plot


NGC6820 Narrowband, 


            Andrew Barton

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