Hemisphere:  Northern  ·  Contains:  Bode's nebulae  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
M81 and M81, 



    
        

            marcsphotography
M81 and M81
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M81 and M81

Technical card

Imaging telescopes or lenses: Celestron Newton 150/750

Imaging cameras: Canon 550D

Mounts: Celestron Advanced VX

Guiding telescopes or lenses: 50mm Guidescope

Guiding cameras: T7C

Software: SharpCap pro  ·  Pleiades Astrophoto S.L. PinInsight  ·  PHD2  ·  Nighttime Imaging 'N' Astronomy

Accessory: Skywatcher 2" Coma Corrector f/4


Dates:Dec. 29, 2019

Frames: 43x150"

Integration: 1.8 hours

Avg. Moon age: 3.17 days

Avg. Moon phase: 10.95%


Basic astrometry details

Astrometry.net job: 3150904

RA center: 9h 55' 30"

DEC center: +69° 16' 15"

Pixel scale: 1.909 arcsec/pixel

Orientation: 255.647 degrees

Field radius: 0.989 degrees


Resolution: 3123x2040

Locations: Heimsternwarte, -, Burgenland, Austria

Data source: Backyard

Description

A revisit of one of an object I already did way earlier this year.

Seeing wasn't that great but it was after over a month of clouds I was happy to even be able to image again.

This is an uncropped but resampled version.

Edited in PixInsight.

Comments

Author

marcsphotography
marcsphotography
License: None (All rights reserved)
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Revisions

  • M81 and M81, 



    
        

            marcsphotography
    Original
  • Final
    M81 and M81, 



    
        

            marcsphotography
    B

B

Description: More aggressive noise reduction and slightly altered curves.

Sky plot

Sky plot

Histogram

M81 and M81, 



    
        

            marcsphotography