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10 hours on M33

Discussion in 'Exhibition Lounge' started by DaveS, Jan 23, 2020.

  1. DaveS

    DaveS Well-Known Member

    After a god awful long time with clouded out skies we had four good clear nights. During the last three of which I managed to get 10 hours of data on M33, the Triangulum spiral, lying about 2.5 million light years away in our local group. This was made with 2 hours each of Hydrogen-alpha (To show up star-forming regions), Red, Green, Blue, and Luminance (ie all the light).

    10 Hour HaLRGB small.jpg
    As usual the processing is probably only of interest to other astrophotographers, but if people are interested I will detail how I got there.
  2. AndyTake2

    AndyTake2 Well-Known Member

    Beautiful image
    DaveS likes this.
  3. gray1720

    gray1720 Well-Known Member

    Phew, I thought you'd been stuck on a motorway!

    That is stunning.
    Learning, Zou, EightBitTony and 2 others like this.
  4. IvorETower

    IvorETower Little Buttercup

    Same here... initially I was trying to think where the M33 might be.....
    DaveS likes this.
  5. Mark101

    Mark101 Well-Known Member

    Nice Stacking :)
    DaveS likes this.
  6. PeteRob

    PeteRob Well-Known Member

    Spectacular - that really is nice. I too was wondering where the M33 was and what the 10 hour queue had produced!
    DaveS likes this.
  7. DaveS

    DaveS Well-Known Member

    Thanks Mark :) I had to calibrate the stack with Dark, Flat and Dark Flat frames, fortunately I could get these during the day.
  8. DaveS

    DaveS Well-Known Member

    Thanks guys. Getting this also involved fighting IT problems caused by Win-Dross updates, while the kit wasn't being used.

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