M103 Open star cluster
Distance from Earth: 10,000 light years
Located in: Cassiopeia
Telescope: 12.5" RCOS
Camera : STL11000 -- off axis guiding
Mount : AP1200
Image date: Sept 2022
-- Filters used and total time--
Luminous 10 minutes (2x2 binning)
Red 10 minutes (2x2 binning)
Green 10 minutes (2x2 binning)
Blue 10 minutes (2x2 binning)
Ha
OIII
SII