Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  NGC 3031
M81 177min F7, 


M81 177min F7
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M81 177min F7

Technical card

Imaging telescopes or lenses: Celestron 11 EdgeHD Celestron Edge 11

Imaging cameras: ZWO ASI294MC Pro

Mounts: iOptron CEM120 iOptron CEM 120

Guiding telescopes or lenses: svbony 60mm Guidescope

Guiding cameras: ZWO ASI290MM Mini Monochrome ZWO ASI290MM Mini (Mono)

Focal reducers: Celestron .7x Focal Reducer, for 11 HD

Filters: Optolong L-eNhance 1.25"

Accessory: svbony 60mm guidescope

Basic astrometry details

Astrometry.net job: 3273661

RA center: 9h 55' 39"

DEC center: +69° 4' 4"

Pixel scale: 0.490 arcsec/pixel

Orientation: 313.099 degrees

Field radius: 0.333 degrees

Resolution: 4060x2732

Data source: Backyard


177min of 180x59sec with Lenhance in Bortle 5 skies at F7 on the Edge 11, stacked in Astropixel and processed in Pixi


Sky plot

Sky plot


M81 177min F7,