M63 (Sunflower Galaxy)

2021 version, with better resolution (FWHM 1.9")

200/800 astrograph with Zen optics + GPU corrector

ASI1600MM camera with LRGB filters

Luminance : 270*30sec

Chrominance : 50*30sec each channel

Preprocessing with SIril, processing with PI

Shot from suburban skies (20km from Eiffel Tower) with hazy skies and first quarter moon

Done