Contains:  Solar system body or event
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Comet C/2023 H2 Lemmon Animation from November 1, 2023

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Comet C/2023 H2 Lemmon Animation from November 1, 2023

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Description

From 118 x 30 second exposures of comet C/2023 H2 Lemmon taken on the evening of November 1, 2023.  Originally I integrated all 118 exposures with the resulting stack quite the blurry mess.  Restacking into groups of 15 minutes showed the comet's tail to be quite active, changing in appearance over the hour of imaging time.  Here I animated 20 minute groups of 30 second exposures, removing the stars and centering on one time period for the evening.  First five normal frames followed by 5 inverted color frames, with each frame static at half a seconds or other words 2 FPS.  The integration consisting of stars and the comet (See here https://astrob.in/itm31w/E/)looses much of the fine cometary tail structure however this may be limited to my inability in processing.

Comments

Histogram

Comet C/2023 H2 Lemmon Animation from November 1, 2023, Dan Bartlett

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Comets Imaging