M101 Pinwheel galaxy

The Pinwheel Galaxy is a face-on spiral galaxy distanced 21 million light-years way from earth in the constellation Ursa Major. First discovered by Pierre Méchain on March 27, 1781,
Télescope Astrosib 506mm
Mount Astrosib FM 700
Caméra FLI Képler 4040 Cmos , no guiding

Total :25h36mn 512 frames of 3mn
Ha=1h45 L=15h39 R=2h42 V=2h51 B=2h39
May 2020
Place:Fregenal de la Sierra (Espagne)

Autore: georges chassaigne (sito)