Contains: IC 1275, NGC 6559, IC 1274, IC 4685, IC 4684, NGC 6546, The star 11Sgr
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Technical card

Resolution: 2048x1537

Dates: July 22, 2017

Frames:
ZWO Optical B 36mm: 18x180" -15C bin 1x1
ZWO Optical G 36mm: 18x180" -15C bin 1x1
ZWO Optical Ha 36mm: 15x600" -15C bin 1x1
ZWO Optical L 36mm: 36x180" -15C bin 1x1
ZWO Optical Oiii 36mm: 15x600" -15C bin 1x1
ZWO Optical R 36mm: 18x180" -15C bin 1x1

Integration: 9.5 hours

Avg. Moon age: 28.48 days

Avg. Moon phase: 1.24%

Astrometry.net job: 1810873

RA center: 272.311 degrees

DEC center: -23.940 degrees

Pixel scale: 3.306 arcsec/pixel

Orientation: 272.274 degrees

Field radius: 1.176 degrees

Locations: Guangzhou China, Guangzhou, China

Comments

Author

Michael Leung
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IC4685, 




    

        Michael Leung