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Contains:  M 101, NGC 5457
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M101, 





    
        

            Jean-Christophe
M101

M101

Technical card

Imaging telescope or lens:Orion USA Newton 200/1000

Imaging camera:Atik 314L+ Mono

Mount:Skywatcher AZ-EQ6 GT Synscan

Guiding telescope or lens:Kepler mini lunette 60/240

Guiding camera:ZWO ASI120 MM ST4

Focal reducer:Baader MPCC coma corrector

Filter:Orion USA Filtres LRGB

Resolution: 1800x1351

Dates:May 7, 2018

Frames:
Orion Blue 1.25": 8x120" bin 2x2
Orion Filtre Luminance: 20x180" -10C bin 1x1
Orion Green 1.25": 8x120" bin 2x2
Orion Red 1.25": 8x120" bin 2x2

Integration: 1.8 hours

Darks: ~45

Flats: ~15

Bias: ~100

Avg. Moon age: 21.62 days

Avg. Moon phase: 55.60%

Bortle Dark-Sky Scale: 3.00

Mean FWHM: 2.50

Temperature: 14.00

Astrometry.net job: 2052582

RA center: 210.801 degrees

DEC center: 54.354 degrees

Pixel scale: 1.015 arcsec/pixel

Orientation: 6.581 degrees

Field radius: 0.317 degrees

Locations: site perso, Vereux, 70, France

Description

Quick shoot, image @130%

Comments

Author

Jean-Christophe
Jean-Christophe
License: None (All rights reserved)
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M101, 





    
        

            Jean-Christophe