12P Pons-Brooks near Paranal Chile May 3, 2024

I could enjoy imaging of the comet twelve days after the perihelion passage on April 21, 2024.

Here is a composited frame made with many frames:
www.flickr.com/photos/hiroc/53720295819/

It was low in the west before the end of twilight, and imaging session was during twilight. Thanks to the location in southern hemisphere and dry atmosphere, imaging was not difficult.

The site was near Paranal Observatory, and there came yellow laser beam from the observatory in the frame as you see. It was outside of the right upper corner. Satellites were nuisance as always.

The comet was drifting toward southeast in Taurus. It was bright. Dust coma was round and small, though it was saturated on this one shot frame. Dust tail was wide toward northeast. Greenish ion halo was not dominant. Bluish ion tail was long with kinks toward east southeast beyond the edge of the frame.

North is up, and east is to the left on the frame.

Sun Distance: 0.818 AU
Earth Distance: 1.589 AU

equipment: Takahashi FSQ-106ED, 645 Reducer QE 0.72x, EOS 5Dmark3-SP4, modified by Seo-san on ZWO AM5 Mount, autoguided at a star nearby with Fujinon 1:2.8/75mm C-Mount Lens, Pentax x2 Extender, ZWO ASI 120MM-mini, and PHD2 Guiding with comet tracking on

Exposure was one time 60 seconds at ISO6,400 and f/3.6. It started at 23:31:47 UTC May 3, 2024.

site: 2,430m above sea level at lat. 24 38 55 South and long. 70 16 52 West near Cerro Armazones Chile
SQML was 21.55 at the night. Ambient temperature was around 6 degrees Celsius or 43 degrees Fahrenheit.

Taken in: Chile / Antofagasta / Taltal / Morrales (show map)

Taken on: May 3, 2024

Sets appears in: • Comets

Groups appears in: • After Dark - Night Photography • Astronomy more » • Night Sky, The • Amateur Astronomy • Official National Geographic Group • Astronomy for all • Astrophotography - Comets and Asteroids • Astronomy Photos • Astrofotografia / Astrophotography • BBC Sky at Night and Stargazing Live • Astrofotógrafos del Mundo / World´s Astrophotographers • Universe Today • Into the Night Photography • Amateur Astro-Photography • Astrophotographie • Astro Imaging « less

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