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My first Andromeda Galaxy project

Processing Deep Sky M31 Galaxy Messier Objects
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Matan Buzaglo avatar
Matan Buzaglo avatar

Andromeda Galaxy(M31)


Hi!
I am new in astrophotography and here in the forum.

Last night i shot the Andromeda Galaxy with the beginner equipment that i have:


Canon eos250d
Canon 75-300mm len (used 200mm)
Asiair pro
Eqm-35 mount

Iso 800
F/5
I take 73 frames * 90seconds exposure

stacked and processed in PixInsight. I would appreciate any feedback on improvements or corrections needed in the processing. Thanks!
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Brian Diaz avatar
Brian Diaz avatar
Hi   Matan Buzaglo and welcome

CS, Brian
Tony Gondola avatar
Tony Gondola avatar
Welcome Matan. That's a good go for M31, I'm just wondering about the red halos around the brighter stars against the galaxy, don't think I have seen that problem before. Blue halos yes but not red.
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Matan Buzaglo avatar
Matan Buzaglo avatar
Tony Gondola:
Welcome Matan. That's a good go for M31, I'm just wondering about the red halos around the brighter stars against the galaxy, don't think I have seen that problem before. Blue halos yes but not red.

*** First of all thank you.. about the red halos idk what is that i try to remove them with DBE and reduce the red color in the histogram but its just remove the whole red color from the photo
Tony Gondola avatar
Tony Gondola avatar
I'm not a PixInsight user so I really can't offer any advice. I am sure there are others here who will have some ideas for you.
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TiffsAndAstro avatar
TiffsAndAstro avatar
Looks good to me well done
Taras_M avatar
Taras_M avatar
Hi,
bit out of focus, but seems that the major problem here is the overprocessing.
Would it be possible to have a look at your RAW lights as well as your stacked unprocessed master light?

CS Taras
Callum Wingrove avatar
Callum Wingrove avatar
Hi Matan - welcome.  That is nice.  Well done.  Only comment I'd make is the blacks look clipped, possibly to hide noise in the image.  Did you shoot calibration frames like darks, flats and bias? If not those would help and reduce the need to overdo the background.
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Matan Buzaglo avatar
Matan Buzaglo avatar
Callum Wingrove:
Hi Matan - welcome.  That is nice.  Well done.  Only comment I'd make is the blacks look clipped, possibly to hide noise in the image.  Did you shoot calibration frames like darks, flats and bias? If not those would help and reduce the need to overdo the background.

*** Hi yes i did calib but i shot with dslr uncooled so idk how much the calibration will help..
Thomas Groh avatar
Thomas Groh avatar
Hi, 
welcome.

When I have started  2 years ago YT helped me a lot. You can search for processing videos of your target with PI directly and get a lot
of results. And you can even search for your setup to get some more hints to use it for astrofotography.
Some of the good guys are Cuiv - the lazy geek, who just released a 3h video course of PI for beginners. Then View into space has good processing videos
and at least VisibleDark. But there are a lot more great people to find there.
2 Things I recommend at least: If you want to dig deeper - Adam Block is also on YT and has some courses for processing. It is absolutely worth, but 
you have to pay for it.
Second: Search here for your camera and look what the other guys have done with it and if you like it, ask the directly for some advice.

CS
Thommy
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