Comets are “dirty snowballs” which begin to glow as they approach our Sun


Comet C/2022 E3 (ZTF)


Comet Leonard C/2021 A1 passing M3. 90 minutes exposure from early December 2021

Comet C/2020 M3 (ATLAS) passing by Orion’s belt from November 2020. 50min total exposure using a T3i + 50mm f/1.4 USM


 

Comet C/2020 F3 NEOWISE


 

Comet 46P from December 2018 using an ASI1600MM-P and a 344mm focal length doublet

Comet 2015 Johnson tracked against the stars from May 2017 using a T3i with a 344mm focal length doublet