Comet 12P/Pons-Brooks on April 4, 2024
Comet12P/Pons–Brooks is a periodic comet with an orbital period of 71 years, perihelion on 21 April 2024,with closest approach to Earth at 1.55 AU (232 million km) on 2 June 2024.  Comets with an orbital period of 20–200 years are referred to as Halley-type comets. It is one of the brightest known periodic comets, reaching an absolute visual magnitude of about 5 in its approach to perihelion Comet Pons-Brooks was conclusively discovered at Marseilles Observatory in July 1812 by Jean-Louis Pons, and on its next appearance in 1883 by William Robert Brookss.
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This is a joint project of James Foster and Michael A. Stecker.
Click on the image to see a high resolution photo.
file: CometPONS-BROOKS_04Apr24RGB4_G2B-fr4.jpg

Photographic Data
telescope:
Sky-Watcher Quattro 250P (10-inch f/4 Newtonian telescope with coma corrector)
FL= 1,000 mm

mount:
iOptron CEM60

Guiding on comet's head with SVBony guidescope of 240 mm focal length and ZWO ASI120MM-mini guide camera

imaging camera:
ZWO ASI6200MC-Pro full frame color camera

guiding:
Guiding on comet's head with SVBony guidescope of 240 mm focal length and ZWO ASI120MM-mini guide camera

exposure:
60 sec X 23 (23-minutes)

Processing:
Stacked and processed by James Foster with Maxim DL software and post-processed by Michael Stecker in Photoshop Elements 2021
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photographic site:
James Foster observatory at Pinion Pines Estates (Frazier Park California)
(Bortle 4 at 5,500 ft elevstion)