Comet C/2025 F2 (SWAN)
Taken by Mike Olason on April 15, 2025 @
Tucson, Arizona
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
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Date Taken: Unavailable
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Details:
The Moon was 94% illuminated on the morning of 2025 April 15 UT, Comet C/2025 F2 (SWAN) was magnitude G=9.4 as calculated from 6x20 second images thru a green filter in an aperture diameter of 3.5'. The coma was 3' wide, the wavy tail in the image FOV was 53' long at a position angle of 309 degrees from the coma. The comet has been quiet the past week, with a brightness staying around magnitude 8.9 to magnitude 9.4, but the comet certainly does have a nice thin wavy tail that extends about twice as long as shown in this set of images. To get the correct resolution for these images click on the larger image.
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