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IC405 - Flaming Star AKA SH2-229 or Caldwell 31


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This seems a popular target of late so here is my rendition.

Telescope: William Optics ZS103 with x0.8 reducer

Camera: ZWO ASI183MM

  • 30 x 360 second Ha Gain 111 Offset 8
  • 28 x 360 second OIII Gain 111 Offset 8
  • 13 x 360 second SII Gain 111 Offset 8

7.1 hours total integration time

Images acquired 25/02/2021 to 26/02/2021 from Bortle 7/8 with 97% moon trailing about 30 degrees behind - I lost a few OIII due to moon pollution and most of the SII when the target decided to set behind a neighbours house. I must have a word with him over that 😁


Processed in SHO with PixInsight, PhotoshopCC 2021 and Topaz Denoise AI



Edited by TerryMcK
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On 3/1/2021 at 10:02 PM, Astrobdlbug said:

Great colours - also good background contrast given the large contribution from Mr. Moon.
Was there much in the way of gradients to process out ?


Not really Bryan. I was around 30 to 40 degrees in front of the moon and the scope has a long dew shield on. Also there didn't appear to be much refracted light in the atmosphere. Surprising really as I'm in Bortle 7/8 and I can sometimes see the beam from streetlights. I think I only lost 2 OIII subs. I only managed 13 SII subs cos there was dirty whacking house in the way 😆 

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