Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  Cigar Galaxy  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
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M81 M82, 



    
        

            John Richards
M81 M82
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M81 M82

Getting plate-solving status, please wait...
M81 M82, 



    
        

            John Richards
M81 M82
Powered byPixInsight

M81 M82

Equipment

Imaging Telescopes Or Lenses
Astro-Tech AT72EDII
Imaging Cameras
Canon SL1 · ZWO 183mc Pro 183 PRO
Mounts
iOptron SmartEQ Pro+
Filters
Optolong L-Pro 2"
Accessories
Zwo ASIAIR ASIAIR · Orion Field Flattener for Short Refractors Field flattener · Astro Tech 0.8x Reducer/Flattener
Software
Pixinsight
Guiding Telescopes Or Lenses
ZWO F/4 MINI GUIDE SCOPE
Guiding Cameras
ASI224MC

Acquisition details

Dates:
May 13, 2019 ·  May 1, 2020
Frames:
64x30" (32') (gain: 111.00) -10C bin 1x1
Optolong L-Pro 2": 61x180" (3h 3') ISO1600 bin 1x1
Integration:
3h 35'
Darks:
15
Flats:
20
Bias:
20
Avg. Moon age:
8.52 days
Avg. Moon phase:
61.89%
Bortle Dark-Sky Scale:
5.00

Basic astrometry details

Astrometry.net job: 3487477

RA center: 09h56m19s.2

DEC center: +69°1445

Pixel scale: 1.423 arcsec/pixel

Orientation: 146.999 degrees

Field radius: 0.897 degrees

Resolution: 3876x2358

Locations: Home, Warner Robins, GA, United States

Data source: Backyard

Description

A combination of subs taken a year ago, May 19, 2019 with the ASI183MC Pro and AT72EDII and subs from May 1, 2020 with the Canon SL1 unmodified and the AT72EDII. I was not happy with the subs from the SL1 when they were processed, but when I added the subs I had taken last year, the result was much better.

Comments

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M81 M82, 



    
        

            John Richards