Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034  ·  NGC 3077  ·  The star 24UMa
M81 M82 Barndoor tracker, 



    
        

            mathieuger
M81 M82 Barndoor tracker
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M81 M82 Barndoor tracker

Equipment

Imaging Telescopes Or Lenses
Tamron 70-300 mm, 1:4-5.6
Imaging Cameras
Nikon D5300 (unmodified)
Mounts
Barndoor tracker
Software
DSS DeepSkyStacker · Adobe Photoshop 6 CS · Lightroom 5

Acquisition details

Dates:
June 14, 2015
Frames:
64x15" (16')
Integration:
16'
Avg. Moon age:
27.36 days
Avg. Moon phase:
5.24%

Basic astrometry details

Astrometry.net job: 678016

RA center: 09h56m38s.9

DEC center: +69°2052

Orientation: -143.508 degrees

Field radius: 2.769 degrees

Resolution: 620x414

Description

M81 and M82 shot on my DIY Barndoor tracker. Second night out and I am happy with the results!

At 300mm I can do 15 seconds subs without any star trails. I need a better polar alignment, I'd like to do 25-30 sec with this set-up.

Comments

Revisions

  • M81 M82 Barndoor tracker, 



    
        

            mathieuger
    Original
  • Final
    M81 M82 Barndoor tracker, 



    
        

            mathieuger
    B

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M81 M82 Barndoor tracker, 



    
        

            mathieuger