Les Pléiades, le retour ! (Corine Yahia (RIGEL33))

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: Maia nebula · Merope nebula · NGC 1432 · NGC 1435 · The star Atlas (27Tau) · The star Celaeno (16Tau) · The star Electra (17Tau) · The star Merope (23Tau) · The star Pleione (28Tau) · The star Sterope I (21Tau) · The star Taygeta (19Tau) · The star ηTau

Les Pléiades, le retour !, Corine Yahia (RIGEL33)

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Les Pléiades, le retour !

Link to TIFF/FITS: https://flic.kr/p/N51bCG

Powered byPixInsight

Les Pléiades, le retour !

Link to TIFF/FITS: https://flic.kr/p/N51bCG

Les Pléiades sont un amas ouvert d’étoiles dans la constellation du Taureau. Catalogué M45 et NGC 1432/35, l’amas est visible à l’œil nu en début de soirée à partir de novembre. Appelée aussi les Sept Sœurs, beaucoup n’y voit que 6 étoiles… mais en réalité, il y a environ 3000 étoiles. Seules les neuf plus brillantes ont reçu un nom, celui des sept sœurs et de leurs parents : Atlas (papa) et de Pléioné (maman), Astérope, Mérope, Électre, Maïa, Taygète, Célaéno et Alcyone.

Malgré cette brume qui ne nous quittait pas, j’ai retenté cet objet lors d’une sortie improvisée de début novembre… cette fois-ci avec un réducteur-aplanisseur qu’un astropote m’avait prêté aux fins d’essais.

Ce soir-là, il faisait froid. Un petit vent glacial parcourait les champs… je me rappelle avoir claquée des dents pendant la prise de vue. Avec Denis, on s’était collé au monument pour tenter de capter la chaleur de la pierre. Le brouillard, très fin mais bien présent, a gâché pas mal de mes poses mais j’ai quand même pu en garder une quarantaine dont j’avais abaissé le temps de pose unitaire à 90s pour éviter de cramer le cœur des étoiles.

J’ai bataillé avec le traitement… le fond du ciel est très moyen et les étoiles semblent empâtées. J’ai également un peu cropé l’image. Au final, l’image, bien que pleine de défauts, reste montrable… et ça reste quand même la meilleure image des Pléiades que j’ai pu faire à ce jour ;)

Photo prise le 3 novembre 2016 à Saucats (33) – Canon 350D (avec réducteur/aplanisseur) au foyer d'une lunette 102/900 ED sur monture Orion Sirius EQ-G motorisé (sans autoguidage ni goto).

40 poses de 90s – 15 DOF – ISO 800 – IRIS et Toshop.

AAA : Astronomes et Astrographes Amateurs

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Astrometry.net job	1323101
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Les Pléiades, le retour !

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