CTB1 is a supernova remnant in the constellation Cassiopeia, located about 9,800 light-years away and spanning roughly 100 light-years.
It consists of the remnants of a stellar explosion that occurred over 10,000 years ago.
A time-consuming project spanning 50 hours. Taken in August and September in the french Alps
180x300s h-alpha
288x300s OIII
24x300s red
19x300s green
13x300s blue
78x300s Luminanz
50 hours total
Equipment:
Takahashi Epsilon 130D dual rig
Epsi1:QHY268m (IMX571)
Epsi1: QHYCFW3M-SR
Epsi1: QHY OAG + ASI220m
Epsi2: TS2600MP (Touptek/RisingCam IMX571)
Epsi2: ZWO EFW
Filter: Astronomik LRGB DeppSky
Filter: Astronomik MaxFR
JTD Dual Rig Alignment SaddleÂ
Sywatcher EQ8
N.I.N.A
Pegasus NYX-101
by cfpics