12P/Pons-Brooks by C27

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Comet Pons-Brooks passing by C27, 13 January 2024.

Comet starless integrations by subframes in LRGB 60″, 3 x each filter. Star integration from RGB.

C27 and surrounding starless layer in Ha Oiii and Hbeta, 180sec subframes, from 2023 spring-summer several sessions; cfr. https://www.astrobin.com/dqa6po/C/