C/2022 E3 (ZTF) and NGC 1647 - 13th February 2023 (Lee)

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: Solar system body or event

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C/2022 E3 (ZTF) and NGC 1647 - 13th February 2023

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C/2022 E3 (ZTF) and NGC 1647 - 13th February 2023

After pointing to the comet for a quick look, it was hard to resist changing my plans for the evening so I could grab an hour on it. Framed so well with NGC 1647, there is a lovely contrast of colours and the cluster itself against the comet.

It was much trickier to process this time despite no moon. Using Blink in PixInsight did show a surprising degradation in quality over the hour. I couldn't bring the tail above the noise as the starless method for pulling together the comet aligned image had a lot of artefacts. I tried various pixel rejection parameters and got it better but not quite good enough for the data I had. Maybe another hour would have helped.

Captured with the ASIAIR, pre-processed in APP and PixInsight and then processed in PixInsight.

Final
Original
B

B

Description: Comet aligned with stars trailing.

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Status	Advanced success
Started	...
Astrometry.net job	7194891
PixInsight job	AXJJ2GNPB846FDHVJJ79FO43DMB7JWT3
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	04h45m04s.62
RA (top/left)	04h46m12s.20
RA (top/right)	04h40m55s.95
RA (bottom/right)	04h43m57s.94
RA (bottom/left)	04h49m12s.51

Dec (center)	+19°08′41″.5
Dec (top/left)	+20°07′23″.7
Dec (top/right)	+19°24′27″.9
Dec (bottom/right)	+18°10′02″.7
Dec (bottom/left)	+18°52′41″.9

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C/2022 E3 (ZTF) and NGC 1647 - 13th February 2023

C/2022 E3 (ZTF) and NGC 1647 - 13th February 2023

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C/2022 E3 (ZTF) and NGC 1647 - 13th February 2023

C/2022 E3 (ZTF) and NGC 1647 - 13th February 2023

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