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Comet C2017 K2 (PanSTARRS)


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My first proper try at a colour comet image, and what a trial!

Stacked for the background stars, then pulled the stars out with StarXTerminator. Then ran CometAlignment on all of the subs, and integrated the RG & B comet files with some aggressive rejection to clear up most of the start trails.
Cleaned up the mono subs backgrounds. Combined into a colour image, then XTerminated some noise and sorted the colour balance
Curves adjustments to taste then layered the stars back in

Not 100% happy, as it still showing some diagonal artefacts from the stars but it's getting there. Hoping for a few more stabs at it 🤞

APM 107/700 + asi1600mm. 20 x 2min each in RG&B. Processed in PixInsight then Photoshop

2118208403_CometC2017K2(PanSTARRS).thumb.png.f87c361585a474fd4981b3360a7e8ee5.png

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Great capture 

It was a lot simpler when we used film 😆 

Is this Comet about Mag 7 ? I may try to get a photo when the moon eases off. 

Edited by scotty1
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  • 2 weeks later...

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