M52 -- Open star cluster
Distance from Earth: 4,600 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
Red 10 minutes
Green 10 minutes
Blue 10 minutes
Ha
OIII
SII