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comet C/2022 E3 ZTW

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Comet C/2022 E3 (ZTF) showing how its changed in only 27 days. Lower picture was imaged on December 31st 2022 and the upper was on January 26th 2023.

Imaged remotely from Spain with the Tak Epsilon 180ed and asi2400mc pro. The December image was 60s over 45mins and January's was 30s subs over 2hrs.

Comet C2022 E3 ZTF Dec-Jan.jpg

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On 1/30/2023 at 11:32 PM, MartinS said:

A couple of superb comet images Peter. I note the comet has a blue cast and so far mine are all vivid green, any idea what causes the difference.

Thank you....it was imaged back in December that one has has more of a blue cast where the colour balance was just done by eye, but I used spectrophotometric colour balance in PI on the January image, so there could be a monitor calibration difference.

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