Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  Cigar Galaxy  ·  M 81  ·  M 82  ·  NGC 2959  ·  NGC 2961  ·  NGC 2976  ·  NGC 3031  ·  NGC 3034  ·  NGC 3077
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M81, M82, NGC 3077 and 2976 (280mm), 



    
        

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M81, M82, NGC 3077 and 2976 (280mm)

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M81, M82, NGC 3077 and 2976 (280mm), 



    
        

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Powered byPixInsight

M81, M82, NGC 3077 and 2976 (280mm)

Equipment

Imaging Telescopes Or Lenses
Canon EF 200mm 2.8 L II USM
Imaging Cameras
Canon EOS 100D
Mounts
Star Adventurer
Filters
Astronomik CLS Canon EOS Clip
Accessories
Kenko C-AF 1.4x MC4 DXG
Software
PixInsight 1.8 (PixInsight) · Deep Sky Stacker (Deep Sky Stacker DeepSyStacker 3.3.2) · Adobe Lightroom 6 (Adobe Lightroom)

Acquisition details

Dates:
Jan. 29, 2016
Frames:
Astronomik CLS Canon EOS Clip: 45x150" (1h 52' 30") ISO1600
Integration:
1h 52' 30"
Darks:
22
Bias:
72
Avg. Moon age:
19.81 days
Avg. Moon phase:
73.88%

RA center: 09h54m48s.94

DEC center: +68°5810.9

Pixel scale: 3.293 arcsec/pixel

Orientation: -35.023 degrees

Field radius: 2.083 degrees

More info:Open 

Resolution: 3832x2455

Locations: Derendingen 454m, Solothurn, SO, Switzerland

Description

First test with the Kenko 1.4x Converter.

Canon EF 200mm f/2.8L @ 280mm, f/5.6

Images stacked with DSS

Image A: 36 Subs, Sigma Clipping Combination

Image B: 42 Subs, Auto Adaptive Weighted Average Combination

Image C: re-processed Image B

Image D: re-processed with PixInsight

Image E stacked and processed in PixInsight

Comments

Revisions

  • M81, M82, NGC 3077 and 2976 (280mm), 



    
        

            star-watcher.ch
    Original
  • M81, M82, NGC 3077 and 2976 (280mm), 



    
        

            star-watcher.ch
    B
  • M81, M82, NGC 3077 and 2976 (280mm), 



    
        

            star-watcher.ch
    C
  • M81, M82, NGC 3077 and 2976 (280mm), 



    
        

            star-watcher.ch
    D
  • Final
    M81, M82, NGC 3077 and 2976 (280mm), 



    
        

            star-watcher.ch
    E

Sky plot

Sky plot

Histogram

M81, M82, NGC 3077 and 2976 (280mm), 



    
        

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