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pbarraud | all galleries >> Astrophotographie >> Amas d'étoiles > La Cascade de Kemble
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07-Jan-2022 Philippe Barraud

La Cascade de Kemble

Cully, Suisse

"... a beautiful cascade of faints stars tumbling from the northeast dowm to the open cluster NGC 1502."
So did canadian astronomer Lucian Kemble describe his discovery of this beautiful asterism, in 1980, in Cameoleopardis, using binoculars.
There is a very accurate and poetic description of Kemble's Casacade on six pages in "Hidden Treasures", one of the essential books written by Stephen James O'Meara in the collection Deep Sky Companions. (Cambridge University Press).

Télescope: Lunette petval William Optics RedCat 51.
Monture: Celestron CGE Pro.
CCD: SBIG STL 4020.
Filtres: Luminance, rouge, vert, bleu, Ha alpha.
Guidage: Starshoot Autoguider avec MaximDL.
Acquisition: MaximDL Pro.
RGB:5 x 4 min. Pose totale 1h.
Traitements: MaximDL, PixInsight, Photoshop full exif


other sizes: small medium large original auto
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