Observation by Mike Olason: Comet C/2025 F2 (SWAN) continues to fade...

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BAA Comet Section

Observer

Mike Olason

Observed

2025 Apr 18 - 11:43

Uploaded

2025 Apr 27 - 05:30

Objects

C/2025 F2

Full filename

2025f2/2025f2_20250418_1143_molason.jpg

Target name

C/2025 F2

Title

Comet C/2025 F2 (SWAN) continues to fade slowly, on the morning of 2025 April 18 UT the comet was magnitude G=9.8 as calculated from 5x20 second images thru a green filter in an aperture diameter of 3'. The comet coma was 2.5' wide and the comet had a fan tail 2' long at a position angle of 309 degrees from the comet coma. There is a lot of speculation about the comet disintegrating, so put together some 4.3'x4.6' FOV images of the comet to maybe help with that conversation, although using a small scope at low altitude with a 75% illuminated Moon is not ideal to see much fragmentation.

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2025f2_20250418_1143_molason.jpg (515.8 kB)

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