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Contains:  Omega nebula, M 17, NGC 6618
Getting plate-solving status, please wait...
Messier 17- The Omega Nebula, 


            John Michael Bell...
Messier 17- The Omega Nebula

Messier 17- The Omega Nebula

Technical card

Resolution: 4259x6129

Dates:June 8, 2019June 9, 2019

Optolong Ha 12nm 2": 15x300" (gain: 150.00) -20C bin 1x1
Optolong 2" L pro: 96x150" (gain: 150.00) -15C bin 1x1

Integration: 5.2 hours

Darks: ~30

Flats: ~30

Bias: ~300

Avg. Moon age: 6.04 days

Avg. Moon phase: 36.04%

Bortle Dark-Sky Scale: 6.00 job: 2736911

RA center: 275.247 degrees

DEC center: -16.194 degrees

Pixel scale: 0.274 arcsec/pixel

Orientation: 254.231 degrees

Field radius: 0.284 degrees

Locations: Backyard, Tucson, Arizona, United States

Data source: Backyard


My first attempt at Messier 17, this is still very much a work in progress but I was able to get a lot of data to play with on my first night.



John Michael Bell...
License: Attribution Creative Commons

Sky plot

Sky plot


Messier 17- The Omega Nebula, 


            John Michael Bell...