C/2025 R3 (PANSTARRS) around perihelion
Taken by Ujvárosi Beáta on April 18, 2026 @
Vácrátót, Hungary
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Camera Used: Unavailable Unavailable
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Date Taken: 2026:04:19 13:19:49
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Details:
After 5 overcast nights, the sky finally cleared on the 18th, and I knew this was my last chance at properly imaging the comet, just one day before its perihelion. I waited on a rooftop for the comet to rise, and as soon as it cleared the treetops (at around 3 deg.) I started the sequence using a 200 mm lens for a big FOV. The sky quickly brightened during the session, adding a nice colour gradient to the images. I decided to embrace this gradient and combined the usual heavily processed version with a simple average stack: this method preserves both the tail details and the background colours. The ion tail stretches more than 10 deg. in the image and runs out of the FOV, while a short dust tail can also be detected. 20x30 sec exposures taken with a Sony A7s astro mod+Canon 200mm f2.8 lens, stacked in Siril, post processed in GIMP and LR.
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