Comet C/2022 E3 ZTF (2023, January 13) (Brent Newton)

Celestial hemisphere: Northern · Constellation: Boötes (Boo) · Contains: Solar system body or event

Comet C/2022 E3 ZTF (2023, January 13)

Link: https://www.astronewton.com/comets

Comet C/2022 E3 ZTF (2023, January 13)

Link: https://www.astronewton.com/comets

Despite a ~65% Moon I think this turned out alright. Got reacquainted with the complex methods of double subtraction when processing clean comet data in the process too.

Preprocessing:
- Darks, Flats calibration
- Subframe Weighing (L), Normalize Scale Gradient (RGB)
- Comet Alignment
- Batch StarXTerminator run on all Comet Aligned images
- Image Integration of starless Comet shots
- Comet Alignment to subtract starless Comet stacks from each set of Star Aligned shots
- Image Integration for Comet-subtracted images
- Result: L, R, G, B starless Comet, L, R, G, B comet-subtracted background stacks

Housekeeping:
- Crop
- DBE
- LFit R, G to B since it read as lowest Sigma noise (a testament to the interference from the Moon)
- RGB Combine
- Imaghe Solver + SPCC
- BlurXTerminator (RGB, L)

Starless Comet Processing:
- Rista TGVD, MMT
- Clone Stamp of background
- ArcSinH (RGB) + GHS stretch

Star Field Processing:
- StarX, Clone Stamp of Comet remnants, stars added back in
- SCNR
- Rista TGVD, MMT
- ArcSinH (RGB) + GHS Stretch, HT Clip or Darken

Combined Processing:
- PixelMath Screen Blend of Comet + Stars
- LRGB Combination
- Curves vibrance, contrast work
- HDRMT on comet core
- ACDNR
- Annotation

Final
Original
B

B

Description: Annotated

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Central USA
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ASI 6200 MM Pro
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WO Star 71

Comets

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Status	Basic success
Started	...
Astrometry.net job	6935798
PixInsight job	n/a
PixInsight queue size	n/a
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Comet C/2022 E3 ZTF (2023, January 13)

Comet C/2022 E3 ZTF (2023, January 13)

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Comet C/2022 E3 ZTF (2023, January 13)

Comet C/2022 E3 ZTF (2023, January 13)

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