Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  Great Nebula in Andromeda  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 221  ·  NGC 224
M31 Andromeda galaxy, Tingting44
M31 Andromeda galaxy
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M31 Andromeda galaxy

Equipment

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Acquisition details

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Description

think ive just about got to the end of this image, its been one of the hardest images to process to date, it was also my 1st time imaging an object over 1 night

I 1st captured night 1 data on the 21'st September 2014 which consisted of 25 subs giving me 4.16 hours on M31

Then the next chance i got to grab night 2 data was 16'th Jan 2015! due to weather/work......

i managed to grab 19 more 10 min subs giving me another 3.16 hours of data, so in total of night 1 & 2 i now have a total of 7.32 hours on M31

i have been over and over this combined night 1 and 2 stack so many times lol, think im going to now file it away as "finished" for now, till i get more data later on in the year......maybe

*Shot details*

44 x 10 min subs @ ISO800

dark/flat/bias calibration frames used

SW 130-pds

HEQ5

Baader LP filter

SW Coma corrector

Canon 7D

Pixinsight

The Andromeda Galaxy is a spiral galaxy approximately 2.5 million light-years from Earth in the Andromeda constellation

Distance to Earth: 2,538,000 light years

Apparent mass: ~1,230 billion M☉

Age: 9 billion years

Stars: 1 trillion

Constellation: Andromeda

Apparent dimension: 60′–190′

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M31 Andromeda galaxy, Tingting44