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





    
        

            Lepidopterous
M 51

M 51

Technical card

Imaging telescope or lens:250mm F/4 Photonewton

Imaging camera:QHY163M

Mount:Synta EQ6

Guiding telescope or lens:50mm finderscope

Guiding camera:QHYCCD QHY5-II-M

Focal reducer:ASA 2" Newton Koma Korrektor Quattro 1,175x

Software:PHD GuidingDSSPhotoshopMaxim DL 5Fitstacker

Resolution: 4320x3424

Dates:May 3, 2017

Frames:
Optolong H-alpha 7nm: 6x300"
Optolong L: 60x30"
Optolong L: 60x60"
Optolong RGB: 90x60"

Integration: 3.5 hours

Avg. Moon age: 7.77 days

Avg. Moon phase: 54.09%

Astrometry.net job: 1565600

RA center: 202.477 degrees

DEC center: 47.210 degrees

Pixel scale: 0.673 arcsec/pixel

Orientation: 91.432 degrees

Field radius: 0.515 degrees

Locations: Dacha, Kostroma, Russian Federation

Comments

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Lepidopterous
Lepidopterous
License: Attribution-NonCommercial-ShareAlike Creative Commons
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M 51, 





    
        

            Lepidopterous