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Contains:  NGC 5195, Whirlpool galaxy, M 51, NGC 5194, IC 4263
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M51 galaxy

Technical card

Imaging telescope or lens:Takahashi CCA250

Imaging camera:Nikon D810A

Mount:Skywatcher EQ8

Guiding telescope or lens:Takahashi GT-40

Guiding camera:Starlight Xpress Lodestar2

Software:PixInsight 1.8Adobe Photoship CC 2017FlatAidePro

Resolution: 3117x2091

Dates:March 8, 2019

Frames: 30x300" ISO1600

Integration: 2.5 hours

Avg. Moon age: 1.67 days

Avg. Moon phase: 3.11%

Astrometry.net job: 2575930

RA center: 202.475 degrees

DEC center: 47.199 degrees

Pixel scale: 0.989 arcsec/pixel

Orientation: 359.121 degrees

Field radius: 0.515 degrees

Locations: Arakine, Isumi-city, Chiba, Japan

Data source: Traveller

Description

2017-3-8 CCA250 / QHY16200A
L 4 x 600s , 4 x 30s, R 3 x 300s, G 3 x 300s, B s x 300s

2017-01-13 CCA250 + Ex1.5 / NikonD810A
ISO800 21 x 600s

2012-03-14 Kenko SE200N / QSI583ws
L 10 x 600s, R 3 x 600s, G 2 x 600s, B 5 x 600s, Ha 2 x 600s

Total Exposure: 11h 17m

Comments

Author

ToshiyaArai
Toshiya Arai
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M51 galaxy, 





    
        

            Toshiya Arai