Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  Bode's galaxy  ·  M 81  ·  M81  ·  NGC 3031
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L-eNhanced Messier 81, 



    
        

            James Muehlner
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L-eNhanced Messier 81

Imaging telescopes or lenses: Celestron Edge 8 HD

Imaging cameras: ZWO ASI294MC Pro

Guiding telescopes or lenses: Celestron Edge 8 HD

Guiding cameras: ZWO ASI174Mini

Focal reducers: Celestron EdgeHD .7x Focal Reducer

Software: Celestron CPWI  ·  PHD2  ·  GIMP 2.10.12  ·  RawTherapee  ·  SharpCap  ·  DSS 4.2.3

Filters: Optolong L-eNhance


Dates:March 4, 2021

Frames: 202x300"

Integration: 16.8 hours

Avg. Moon age: 20.45 days

Avg. Moon phase: 67.63%


Astrometry.net job: 4302930

RA center: 9h 55' 20"

DEC center: +69° 4' 2"

Pixel scale: 0.638 arcsec/pixel

Orientation: -150.537 degrees

Field radius: 0.408 degrees


Resolution: 3869x2506

Data source: Backyard

Description

Tried out the L-eNhance filter on M81. A lot more to see than with M101.

Comments

Revisions

  • L-eNhanced Messier 81, 



    
        

            James Muehlner
    Original
  • Final
    L-eNhanced Messier 81, 



    
        

            James Muehlner
    B

B

Description: Added another 90 light frames of exposure time and tweaked color/processing a bit.

Uploaded: ...

Sky plot

Sky plot

Histogram

L-eNhanced Messier 81, 



    
        

            James Muehlner

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Light Polluted skies