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Contains:  M 31, Great Nebula in Andromeda, NGC 224, M 32, NGC 221, M 110, NGC 205, The star νAnd, The star 32And
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M31 - Galaxie D'andromède - septembre 2017 - objectif sigma, 





    
        

            dsoulasphotographie
M31 - Galaxie D'andromède - septembre 2017 - objectif sigma

M31 - Galaxie D'andromède - septembre 2017 - objectif sigma

Technical card

Resolution: 3591x2353

Dates:Sept. 16, 2017

Frames: 67x120" ISO1600

Integration: 2.2 hours

Darks: ~15

Flats: ~20

Flat darks: ~50

Avg. Moon age: 25.62 days

Avg. Moon phase: 16.34%

Bortle Dark-Sky Scale: 5.00

Temperature: 7.00

Astrometry.net job: 1732560

RA center: 10.653 degrees

DEC center: 41.235 degrees

Pixel scale: 5.370 arcsec/pixel

Orientation: 269.505 degrees

Field radius: 3.202 degrees

Description

EQ3-2 double motorisation - sans autoguidage
canon 1100D non défiltré - objectif sigma 18-200mm DC distance focale = 200mm

ISO 1600
v0 : 67*120s => empilement DSS + PS CS6
15 dark
20 flat
50 offset

Comments

Author

a_centaure
dsoulasphotographie
License: Attribution-NonCommercial-NoDerivs Creative Commons
1191
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M31 - Galaxie D'andromède - septembre 2017 - objectif sigma, 





    
        

            dsoulasphotographie