NGC 4631 Whale Galaxy
Distance from Earth: 30 million light years
Constellation: Canes Venati
Telescope: 12.5" RCOS
Camera : STL11000, off axis guiding
Mount : AP1200
Image date: April 2023
-- Filters used and total time--
Luminous 30 minutes (2x2 binning)
Red 30 minutes (2x2 binning)
Green 30 minutes (2x2 binning)
Blue 30 minutes (2x2 binning)
Ha
OIII
SII