Reply To: New SWAN comet in the morning sky

Forums Comets New SWAN comet in the morning sky Reply To: New SWAN comet in the morning sky

#629669
Nick James
Participant

Peter Carson managed to image C/2025 F2 (SWAN) from Spain on 2025 April 21.19. His image shows a diffuse, elongated, coma with no distinct photocentre and a brighter bar of material in PA 330 degrees.

https://britastro.org/observations/observation.php?id=20250421_202852_3fb2d1e648d24ca4

The ephemeris position is at the head of the bright bar so this consists of dust that has flowed tailward from the disrupted nucleus.

The comet’s orbit implies that this is a dynamically old object so it has previously survived perihelion. It wasn’t so lucky this time.