Celestial hemisphere:  Northern  ·  Constellation: Auriga (Aur)  ·  Contains:  Solar system body or event
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Comet F3 NEOWISE in Pre-Dawn Twilight - 8 July 2020 / LRGB, Brent Newton
Comet F3 NEOWISE in Pre-Dawn Twilight - 8 July 2020 / LRGB
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Comet F3 NEOWISE in Pre-Dawn Twilight - 8 July 2020 / LRGB

Getting plate-solving status, please wait...
Comet F3 NEOWISE in Pre-Dawn Twilight - 8 July 2020 / LRGB, Brent Newton
Comet F3 NEOWISE in Pre-Dawn Twilight - 8 July 2020 / LRGB
Powered byPixInsight

Comet F3 NEOWISE in Pre-Dawn Twilight - 8 July 2020 / LRGB

Equipment

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Acquisition details

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Description

Comet NEOWISE captured in pre-dawn twilight in LRGB, shot between 0500 and 0515. Does anyone else just not remember July at all? I was either working, sleeping, or shooting this Comet

Processing in PixInsight:

- BatchPP, Cosmic Correction

- Subframe Weighing

- Star Align, Comet Align

- Image Integration for Star/Comet registered images / per channel (LRGB)

Housekeeping:

- Common Crop

- Multiple background extraction passes

L Processing for both star- and comet-aligned images:

- Decon (using Star Masking or a star-subtracted L mask to target Comet core)

- Rista TGVD, MMT

- Masked Stretch

- Image copy given further background flattening to bring out fainter tail, applied to main image with Photoshop-generated gradient mask

RGB Processing:

- LFit to G

- Channel Combine

- Photometric CC (applied to starless Comet images with LFit)

- Rista TGVD, MMT

- ArcSinH, Masked Stretch

LRGB Processing:

- LRGB Combination for Star, Comet images

- PixelMath to blend together with StarMask

- Curves adjustments for saturation increases, contrast

Comments

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Comet F3 NEOWISE in Pre-Dawn Twilight - 8 July 2020 / LRGB, Brent Newton

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