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Galaxie du Tourbillon (M51) - 3h45/11h45 - 76/342mm - 2.26 arsec/pix - L-Pro


toyof

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Bonjour à tous,

 

Je continue dans ma série de galaxie en retard. Sur cette M51, j'avais 11h45 d'acquisition mais j'en ai gardé que 3h45. J'ai trié mes brutes sur le volet sur 3 critères: fond de ciel, FWHM et rondeur. Je vous mets aussi le champ complet.

r_M51_75x180s_2600_gain100_20220325-26_-10C_LP_stacked_extract-grad_et-coul_GHST_satur-coul_crop.thumb.PNG.ca5a0040eda58f18001cfd4262fc174d.PNG

75x180s, ASI2600MC pro, TS 76EDPH f/4.5 (f = 342mm), filtre L-Pro, champ = 3°56' x 2°38' / échantillonnage = 2.26 arsec/pix, AZ-EQ6.

 

https://telescopius.com/pictures/view/172701/deep_sky/whirlpool-galaxy/M/51/galaxy/by-tof_astro

r_M51_75x180s_2600_gain100_20220325-26_-10C_LP_stacked_extract-grad_et-coul_GHST_satur-coul.thumb.png.ab38de11ebf6e98a58a3588c0aad222c.png

 

A comparer avec la tentative précédente:

 

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