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M81 and M82

Technical card

Resolution: 4522x2869

Dates: Feb. 3, 2017

Frames:
47x120" ISO1600
14x300" ISO1600

Integration: 2.7 hours

Avg. Moon age: 6.13 days

Avg. Moon phase: 36.86%

Astrometry.net job: 1435394

RA center: 148.956 degrees

DEC center: 69.339 degrees

Pixel scale: 0.970 arcsec/pixel

Orientation: -83.729 degrees

Field radius: 0.721 degrees

Description

Dss did not want to stack this, i was getting all sorts of weird halos. so i resorted to ma backup program "sequator" which does a great job with stacking but left both sets of diffraction spikes!

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Author

Judson Graham
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M81 and M82, Judson Graham

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