Contains:  M 101, NGC 5457
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M101, 





    
        

            KHartnett
M101

M101

Technical card

Resolution: 3514x2489

Dates:June 29, 2016

Frames: 58x210" ISO1600

Integration: 3.4 hours

Darks: ~28

Bias: ~40

Avg. Moon age: 24.03 days

Avg. Moon phase: 30.47%

Bortle Dark-Sky Scale: 6.00

Temperature: 30.00

Astrometry.net job: 2251075

RA center: 210.804 degrees

DEC center: 54.349 degrees

Pixel scale: 0.645 arcsec/pixel

Orientation: 285.373 degrees

Field radius: 0.386 degrees

Data source: Backyard

Description

I combined subexposures and calibration files taken on the nights of 6/26 and 6/29. I dithered the mount after every four subexposures.

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Author

KHartnett
KHartnett
License: None (All rights reserved)
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M101, 





    
        

            KHartnett