Hi all,
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Location : France: St Laurent sur Sèvre
Latitude : 46°57'34"N
Longitude : 00°53'30"W
Date : 25/11/2006
Hour of Obs : 20h00
Duration of Obs : 2h
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Instrument : SW80ED 80/600
F/D : 7.5
Mount : Heq5
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Celestial body : IC63/IC59
Type : Reflection Nebula
Magnitude : -
Dimensions : 10'
RA : 00h 59' 34.8"
DEC : 60° 49' 07"
Constellation : Cassiopée
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Seeing S: 6/10, good
Transparency T: 5/10
Light Pollution P: 4/10, very present...
Wind : 4, obstructing
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Canon EOS 300D not modified
Time exposure : 300"x20
Sensibility ISO : 800
Numbers of Dark : 10
Numbers of Flat : 10
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Traditional preprocessing under iris:
- Creation of an offset
- Creation of a median dark
- Creation of Flat
- for each frame dark is withdrawn and the divided flat…
- stellar registration .
- arithmetic addition
Processing under iris:
- DDP
- withdrawal of the gradient.
finition under PSP9:
- reduction in the background noise
- balances white
- contrast/luminosity
Version 50% :
http://perso.orange.fr/astro-sug44/i...nd/ic63_50.jpg
http://perso.orange.fr/astro-sug44/i...nd/ic63_20.jpg
Thanks for looking,
Guillaume B.