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MickD

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Posts posted by MickD

  1. Old favourite, imaged this a few times....but first time trying a mosaic in Pixinsight.

    Details are:-

    Two panes, LRGB mosaic. Each pane is:-

    Lum = 20 x 200sec Bin1

    R, G, B = 8 x 120 sec Bin 2

    Imaged in January with my Atik 383L + and a WO FLT98 scope.

    The moon was up when I captured one of the Blue channels (first attempt was ruined by cloud) and it made balancing the gradients a bit difficult (the right-hand side is a bit darker than the left).

    It was also a bit of a test to see how little colour data I could get away with.

    Mick

    M31 reduced.png

    • Like 15
  2. Small Propeller Nebula

    Another bit of Cygnus (this time pointing at the Propeller Nebula).

    Same setup as all the others I have posted recently:-

    Atik 383L, Samyang 135mm, Narrowband SHO process in Pixinsight.

    Probably going to move the CCD to my WO FLT 98 for the next images.  so will post any new pics in "Deepsky Imaging"

    BR

    Mick

    Propeller Neb.png

    • Like 7
  3. Cygnus Loop.

    Ha data was taken a couple of years ago with my Atik 383 and a canon 70 -200 F4 zoom (@ 135mm).

    The OIII & SII were taken recently with the same CCD but this time with my Samyang 135mm.

    Processed in Pixinsight as SHO (all channels were 5min subs and about 30ish images each).

    The OIII & SII were taken during a bright moon, but Pixinsight removed the gradients OK.

    Image is cropped a bit as the framing was different for the Ha.

    Mick

    Cygnus Loop.png

    • Like 8
  4. To add another comparison, this is 3 hours (in 15 min subs), also with a KAF 8300 (Atik 383) and a Samyang 135 (cropped to just show the nebula). I had to remove the stars before I could see anything.

    Not sure If I am going to continue........

    Mick

    Squid 3 hours .png

    • Like 2
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