Messier 82 (also known as NGC 3034, Cigar Galaxy or M82) is a starburst galaxy about 12 million light-years away in the constellation Ursa Major.
This image of M82 I took in 4 deferent imaging session between February 2017 and April 2017.
First session was on Feb 24, taken from the Negev desert Israel.
Lum=42x180sec bin1x1
Scope- TS 10" f/4 Newt Astrograph.
Second session was on Mars 25, taken from Negev desert Israel.
Red=10x300sec bin 1x1
Green=10x300sec bin 1x1
Blue=10x300sec bin 1x1
Scope-TMB130ss F/7 Apo.
Third session was on Mars 28, taken from my home back yard.
Ha=12x600sec bin 1x1
Scope- TMB130ss f/7 Apo
Fourth session was on Mars 31 and April 1, taken from Negev desert Israel.
Lum=23x180sec bin 1x1
Red=10x300sec bin 1x1
Green=10x300sec bin 1x1
Blue=10x300sec bin 1x1
Scope- TMB130ss f/7 Apo
Dark, Bias and Flat were taken for each session.
Total integration time for subs=10h 25m
Scopes=TS 10" f/4 Astrograph & TMB130ss f/7 Apo.
Mount=Losmandy G11 GII.
Camera=SX Trius SX694 mono with SX FW and Astrodon 36mm GII LRGB-Ha
Guide scope and guide camera=WO GT81 f/5.9 Apo & SX Lodestar.
Camera control software= SGP
Sky chart=Stellarium
Mount control=Gemini.net
Guide control=PHD2
Stacking images, calibration and RGB combined= Maxim DL5
Post processing=PS CS6