Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  NGC 6960  ·  The star 52Cyg  ·  Veil Nebula
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The Witches Broom, Alistair Scobie
The Witches Broom
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The Witches Broom

Getting plate-solving status, please wait...
The Witches Broom, Alistair Scobie
The Witches Broom
Powered byPixInsight

The Witches Broom

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Description

I've been experimenting with stacking subs with and without drizzle function. Drizzle is supposed to add additional detail/resolution at the expense of additional noise.In the case of NGC6960 (Veil Nebula) I definitely achieved better clarity and less noise when not using this feature. Most likely, the number of subs I had taken and the imaging conditions at the time were insufficient to accommodate the extra noise that this process introduces. Here is the better of my two alternative approaches - The "Witches Broom'.
Taken with an ESPRIT 100ED Refractor, ASI2600MM camera and Antlia narrowband filters.
Shot in Oiii and Ha. Approim.ately 36 x 300 second sub exposures per channel.

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The Witches Broom, Alistair Scobie