Hemisphere:  Northern  ·  Constellation: Coma Berenices (Com)  ·  Contains:  NGC 4816  ·  NGC 4839  ·  NGC 4841  ·  NGC 4848  ·  NGC 4850  ·  NGC 4865  ·  NGC 4874  ·  NGC 4889  ·  NGC 4895  ·  NGC 4907  ·  NGC 4919  ·  NGC 4921  ·  NGC 4926  ·  NGC 4929  ·  NGC 4931
Abell 1656..., 



    
        

            Vincent R.
Abell 1656...
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Abell 1656...

Technical card

Imaging telescopes or lenses: Orion Optics UK VX6

Imaging cameras: Canon 450D modified Canon 450D défiltré partiel

Mounts: SkyWatcher AZ EQ6 GT

Guiding telescopes or lenses: Orion ShortTube 80 f/5

Guiding cameras: LACERTA M-GEN Stand Alone Autoguider

Focal reducers: Baader MPCC Mark III Correcteur de coma Baader Planétarium MPCC Mark III

Software: Iris, Photoshop Cs6

Filters: Astronomik EOS Clip CLS CCD


Dates:April 19, 2015

Frames: 38x365"

Integration: 3.9 hours

Avg. Moon age: 0.81 days

Avg. Moon phase: 0.74%


Basic astrometry details

Astrometry.net job: 614939

RA center: 12h 59' 14"

DEC center: +27° 56' 20"

Pixel scale: 1.431 arcsec/pixel

Orientation: -162.555 degrees

Field radius: 1.008 degrees


Resolution: 620x412

Locations: Sur ma terrasse, Caudan, Bretagne, France

Description

N'est pas Hubble qui veut...
Résultat décevant malgré:
38 brutes de 365 secondes
29 flat tout frais
43 dark de la veille
41 offset

Comments

Sky plot

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Histogram

Abell 1656..., 



    
        

            Vincent R.