IC63 and IC59 (80ED + Eos300D)

[hevelsky]

Hi all,
=================================== ====
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
=================================== ====
Instrument : SW80ED 80/600
F/D : 7.5
Mount : Heq5
=================================== ====
Celestial body : IC63/IC59
Type : Reflection Nebula
Magnitude : -
Dimensions : 10'
RA : 00h 59' 34.8" DEC : 60° 49' 07"
Constellation : Cassiopée
=================================== ====
Seeing S: 6/10, good
Transparency T: 5/10
Light Pollution P: 4/10, very present...
Wind : 4, obstructing
=================================== ====
Canon EOS 300D not modified

Time exposure : 300"x20
Sensibility ISO : 800
Numbers of Dark : 10
Numbers of Flat : 10
=================================== ====
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- for each frame dark is withdrawn and the divided flat…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/images/ciel_profond/ic63_50.jpg

http://perso.orange.fr/astro-sug44/images/ciel_profond/ic63_20.jpg

Thanks for looking,
Guillaume B.

[jase]

Nice work Guillaume. :) The field is wide with good nebulosity captured. I noticed in the bottom right of the frame the stars begin to elongate, but they don't on the opposite corner. Is this image cropped?

[jjjnettie]

Very nice!
I like that you put a lot of work into your description. It's helpful.

[glenc]

Thanks Guillaume.
Nice image. :thumbsup:

[hevelsky]

Thanks for all your comments,
Jase >> Yes, i had little cropped this image...that's why stars begin to elongate only in the rights corners.

[RB]

Excellent image Guillaume.

Thanks for sharing.

[hevelsky]

Thanks for your comment Andrew ;)