Celestial hemisphere:  Southern  ·  Constellation: Fornax (For)  ·  Contains:  NGC 1365
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NGC 1365 - Great Barred Spiral, Ian Stephenson
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NGC 1365 - Great Barred Spiral

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)
Getting plate-solving status, please wait...
NGC 1365 - Great Barred Spiral, Ian Stephenson
Powered byPixInsight

NGC 1365 - Great Barred Spiral

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

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Description

This image represents the second stage of exposure assessment - 90 seconds verses the earlier 30 seconds set. 

NGC 1365 from Iluka, Western Australia 23 Jan 2022. Seeing was extremely variable during capture with elevated wind and humidity. Of 89 captures 42 were good enough for stacking. Of the 42 selected for stacking PI (Weighted Batch Pre Processing) rejected 3 leaving x39 exposure of 90 seconds for stacking. Capture was at gain 120 and 5'C. 

This image shows some improved clarity in respect of the earlier 30 second exposure set and overall, although not dramatic, my conclusion is that 90 seconds is the optimum setting for my Bortle 6 sky with the combination ASI294 mc pro and 9.25 Edge HD.

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NGC 1365 - Great Barred Spiral, Ian Stephenson

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Southern Hemisphere Astro