Une Trompe amputée (Corine Yahia (RIGEL33))

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: IC 1396

Une Trompe amputée, Corine Yahia (RIGEL33)

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Une Trompe amputée

Link to TIFF/FITS: https://flic.kr/p/PTXFt7

Powered byPixInsight

Une Trompe amputée

Link to TIFF/FITS: https://flic.kr/p/PTXFt7

Nous étions le 21 août et toujours au camping du Causse à Ambeyac (12). La nuit promettait d’être belle malgré la Lune mais j'avais mon nouveau filtre anti-pollution lumineuse. Je voulais revenir sur cette nébuleuse de la Trompe de l’Eléphant que j’avais déjà imagé l’année dernière mais mal cadrée. Allez savoir pourquoi, ce fut pire cette fois-ci… je l’ai carrément amputé… Pauvre bête ! J’ai cropé l’image pour éliminer les zones noires dues à l’addition sous Iris. Il semblerait que l’APN, mal fixée, ait tourné pendant la prise de vue.

La Trompe de l’Eléphant est une nébuleuse diffuse associée à un amas d'étoiles faisant partie du complexe IC 1396 et située à environ 3 000 années-lumière de la Terre dans la constellation de Céphée.

Bien que l’image pourrait être améliorée par quelques poses supplémentaires, le rendu final est sympa avec ces nébuleuses sombres serpentant parmi les brillantes étoiles.

A retenter sans contexte ! ;)

Photo prise le 21 août 2016 à Ambeyrac (12) – Canon 350D défiltré (avec filtre CLS et correcteur de coma) au foyer d’un Newton 150 sur monture Orion Sirius EQ-G (sans autoguidage ni goto).

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

AAA : Astronomes et Astrographes Amateurs

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Astrometry.net job	1381393
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