Des galaxies sur la croupe du Dragon (Corine Yahia (RIGEL33))

Celestial hemisphere: Northern · Constellation: Draco (Dra) · Contains: NGC 5905 · NGC 5907 · NGC 5908

Des galaxies sur la croupe du Dragon, Corine Yahia (RIGEL33)

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Des galaxies sur la croupe du Dragon

Link to TIFF/FITS: https://flic.kr/p/S7KYSN

Powered byPixInsight

Des galaxies sur la croupe du Dragon

Link to TIFF/FITS: https://flic.kr/p/S7KYSN

Alors qu’un premier appareil photo tournait sur une circumpolaire, et qu’un second imageait les Dentelles du Cygne, il me fallait occuper le troisième lors de cette belle nuit à Ambeyrac, en pré-RAAGSO début septembre ! Je le mis au foyer de mon télescope et visais la croupe de la constellation du Dragon. J’y trouvais une belle galaxie vue par la tranche, NGC 5907 et 5906 (à gauche de l’image), accompagnée de deux galaxies plus lointaines, visibles à droite, NGC 5908 (vue par la tranche) et sous elle, NGC 5905 (vue de face) avec des bras très étirées. En bas au centre, on peut voir une autre galaxie spirale vue de face cataloguée NGC 5866B. Avec un examen attentif, on peut voir d’autres tachouilles…

Je suis assez contente de cette image qui m’a demandé peu de traitement… quand on a assez de signal, ça aide ;)

Photo prise le 5 septembre 2016 à Ambeyrac (12) – Canon 350D (avec correcteur de coma) au foyer d’une Newton 150/750 sur monture Orion Sirius EQ-G (sans autoguidage ni goto).

110 poses de 2 mn – 15 DOF – ISO 800 – IRIS et Toshop.

AAA : Astronomes et Astrographes Amateurs

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Status	Basic success
Started	...
Astrometry.net job	1467419
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Des galaxies sur la croupe du Dragon

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Des galaxies sur la croupe du Dragon

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