| ACQUISITION | PARAMETRES ACQUISITION | |||||
| Objet | Filtres | Bin | Temps Pose | Nombres Poses | Temps Total | |
| Nom | M63 | Luminance | 1 x 1 | 5′ | 85 | 7H08 |
| Constellation | Chien de chasse | Rouge | 1 x 1 | 5′ | 28 | 2h33 |
| Distance | 26,1 Mal | Vert | 1 x 1 | 5′ | 27 | 2h25 |
| Détail prise de vue | Bleu | 1 x 1 | 5′ | 28 | 2h33 | |
| Lieu | Maison-Maugis 61 Appremont-la-Forêt 55 | S2 | ||||
| Date acquisition | 11/04/20 au 24/04/2020 | Hα | ||||
| Setup | O3 | |||||
| Instrument | Newton Skyvision Mtn 250 | Totaux | 168 | 14h00 | ||
| Diamètre | 250 mm | Bias | 99 | |||
| Focale | 900 mm | Dark | 19 | |||
| Rapport F/D | 3,6 | Flat | 11 | |||
| Monture | EQ8 Skywatcher | Acquisition faite par | Stephane-Francis | |||
| Caméra acquisition | Morovian G2 4000 | Traitement fait par | Francis | |||
| Caméra de guidage | Lodestar-Atik 314L | Logiciels utilisés | ||||
| Montage de guidage | DO Skymeca | Acquisition | TheSkyX , Focusmax, Maxpilote | |||
| Echantillonage | 1,7 arcs | Traitement | Pixinsight, Photoshop | |||
COMMENTS ON THE OBJECT :
A brilliant spiral galaxy in the boreal sky, Messier 63 is some 25 million light years away from us, in the constellation of the Hounds of the Hunt.
Also known by catalogue number NGC 5055, this majestic universe is nearly 100,000 light-years in diameter, about the size of our own galaxy, the Milky Way. Known colloquially as the Sunflower Galaxy, M 63, has a brilliant yellow core surrounded by blue spiral arms, themselves striped with veins of dust – areas of star formation.
This long exposure time also reveals remarkable loops and extensions of its spiral arms. A dominant member of a known galactic group, the subtle extensions of M 63 could be the result of gravitational interactions with nearby galaxies. M63 also radiates across the entire electromagnetic spectrum, and is thought to have experienced intense outbreaks of star formation.
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ASCENSION DROITE:13h15’49s
DECLINAISON:+42°01′ 46s