Contains: M 109, NGC 3992
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M109 in Ursa Major

Technical card

Imaging telescope or lens: GSO Newton 8" f/6

Imaging camera: QHY8L

Mount: Selfmade Fork mount

Guiding telescope or lens: Bresser Skylux 70/700

Guiding camera: Astrolumina ALccd5.2

Software: photoshopDeepSkyStackerNebulosity

Accessory: Baader Planetarium MPCC

Resolution: 3010x1985

Dates: March 18, 2017March 19, 2017

Frames: 22x900" -20C bin 1x1

Integration: 5.5 hours

Flats: ~30

Bias: ~60

Avg. Moon age: 20.66 days

Avg. Moon phase: 65.52% job: 1576128

RA center: 179.503 degrees

DEC center: 53.377 degrees

Pixel scale: 1.337 arcsec/pixel

Orientation: 179.338 degrees

Field radius: 0.670 degrees


There is a bunch of serious reflections in the image, which are caused by Phecda (γ Ursae Majoris). I didn't even try to cleanse them away because I think they are quite nice.




Sky plot

Sky plot


M109 in Ursa Major, Nurinniska