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Fleming's Triangle AKA Pickering's Triangle - 3 different versions


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I have been re-processing some old data from last September (2020) and decided to have a go at Pickering's Triangle also know as Williamina Fleming's Triangular Wisp.

Telescope: William Optics ZS103

Camera: ZWO ASI 183MM


40 x 180 seconds Ha Gain 111 - Offset 8

40 x 180 seconds SII Gain 111 - Offset 8

40 x 180 seconds OIII Gain 111 - Offset 8


Processed with PixInsight and finished in Photoshop CS 2021

I have done three versions of this as they are all interesting.

First the HSO image




Edited by TerryMcK
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3 hours ago, TerryMcK said:

And finally, hide your eyes from the green in this one, the SHO image.


Amazing detail and probably the only one that I feel looks better with the blue and green, really nicely done👍🏻

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