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Contains:  Great Nebula in Andromeda, M 110, M 31, M 32, NGC 205, NGC 221, NGC 224, The star νAnd
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M31, the big Andromedae galaxy, 



    
        

            Gianni Cerrato
M31, the big Andromedae galaxy
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Technical card


Dates:July 12, 2016

Frames: 20x180"

Integration: 1.0 hours

Avg. Moon age: 7.80 days

Avg. Moon phase: 54.47%


Basic astrometry details

Astrometry.net job: 2162131

RA center: 0h 42' 4"

DEC center: +41° 18' 10"

Pixel scale: 4.705 arcsec/pixel

Orientation: 199.945 degrees

Field radius: 1.570 degrees


Resolution: 2000x1332

Locations: Cugn di Goria - Colle di Sampeyre, Sampeyre, CN, Italy

Description

the great andromeda galaxy (M31) and friends @ 400mm focal leght :)
a classic object, that I wanted to shoot again, with the excuse to verify the correction of the field at the edges, now I can reduce to 0.8x the apo refractor 80/480
and I must say, not bad! above all, for just one hour of total exposure and under a dark sky like that of the Italian Western Alps

tech specs: Canon eos 600D full spectrum and 80/480mm super-apo triplet on a HEQ5 mount (about 1h of total exposure time @1600 iso)
Cugn di Goria, Colle di Sampeyre, Italian western alps

Comments

Author

xamad
Gianni Cerrato
License: Attribution-NonCommercial-NoDerivs Creative Commons
4855
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Revisions

  • M31, the big Andromedae galaxy, 



    
        

            Gianni Cerrato
    Original
  • M31, the big Andromedae galaxy, 



    
        

            Gianni Cerrato
    C
  • Final
    M31, the big Andromedae galaxy, 



    
        

            Gianni Cerrato
    E

C

Description: a little of star reduction filter

E

Description: added DarkStructureEnhance

Sky plot

Sky plot

Histogram

M31, the big Andromedae galaxy, 



    
        

            Gianni Cerrato