Astrobin :
Integration of HOO starless and RGB stars masters; luminance added by Ha channel.
Narrowband Ha and Oiii subframes at 180″ -20C, gain 173 and gain 139. LRGB subframes at 60″.
Subframe list available here
Art,
Asiair Plus,
AsiAir Pro,
Astronomic B 1,25" filter,
Astronomic G 1,25" filter,
Astronomic Ha 1,25" filter,
Astronomic Luminance 1,25" filter,
Astronomic Oiii 1,25" filter,
Astronomic R 1,25" filter,
Astrophotography,
Deep Sky,
Deepsky,
M51,
Narrowband,
Optolong Lpro 1,25",
Sky-Watcher EQM-35 Pro Synscan GOTO,
William Optics Redcat 51,
William Optics v1.5 RedCat 51 APO,
Xiuart,
ZWO ASI120mm Mini,
ZWO ASI1600mm Pro,
ZWO EFW 8x1,25"