Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Flame Nebula  ·  Great Orion Nebula  ·  IC 426  ·  IC 430  ·  IC 431  ·  IC 432  ·  IC 434  ·  Lower Sword  ·  M 42  ·  M 43  ·  Mairan's Nebula  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1981  ·  NGC 1982  ·  NGC 2023  ·  NGC 2024  ·  NGC 2064  ·  NGC 2067  ·  NGC 2071  ·  Orion B  ·  Orion Nebula  ·  Part of the constellation Orion (Ori)  ·  The star 31Ori  ·  The star 42Ori  ·  The star 49Ori  ·  The star Alnilam (εOri)  ·  The star Alnitak (ζOri)  ·  And 6 more.
M42 M78 IC434, Bret Waddington
M42 M78 IC434
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M42 M78 IC434

M42 M78 IC434, Bret Waddington
M42 M78 IC434
Powered byPixInsight

M42 M78 IC434

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Description

Taken as a test for ISO settings with my D5300. I have been getting concentric colored rings after calibration, something I hadn't noticed when I first bought the camera. With higher ISO and a new master bias I have made a lot of progress. Still some tweaking needing done with the flats, I think. There is also a line which has recently appeared that I haven't been able to identify the source.

I had 212 subs, lost 47 to thin clouds that rolled in late.

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M42 M78 IC434, Bret Waddington

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Cloudy Nights