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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under iris: - Creation of an offset - Creation of a median dark - Creation of Flat - for each frame dark is withdrawn and the flat divised… - stellar registration .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 ![]() Thanks for looking, Guillaume B.
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Guillaume BERTRAND Web site : http://perso.orange.fr/astro-sug44/ AstroCalc : http://perso.orange.fr/astro-sug44/AstroCalc_en.html |
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Thanks for your message Paul
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Guillaume BERTRAND Web site : http://perso.orange.fr/astro-sug44/ AstroCalc : http://perso.orange.fr/astro-sug44/AstroCalc_en.html |
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Guillaume, that is a very pretty (and luminous) photo. So many stars...
Thanks.
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Sunset Die Sonne scheidet hinter dem Gebirge. In alle Täler steigt der Abend nieder mit seinen Schatten, die voll Kühlung sind. Last edited by Melusine; 08-December-2006 at 09:34 PM. Reason: typo |