Comet Lemmon (10.9,25)
Taken by Jan Curtis on October 9, 2025 @
Cheyenne, WY
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
ISO: Unavailable
Date Taken: 2025:10:09 07:38:20
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Details:
Despite 92% moonlight, I was able to capture Comet Lemmon relatively easy although it was somewhat washed out.
I used a Fujifilm X-T5, Nikkor 180mm f/2.8 lens @ f/5, iso 3200, exp 28x20s, 2x digital zoom (equivalent ~500mm). Stars and comet are fixed by overlaying stars and comet separately in PixInsight. Field of view is ~3.75x2.5 degrees. Brightest star lower left is Psi Ursae Majoris (Psi UMa, ψ Ursae Majoris, ψ UMa) @ 3.01 magnitude.
Comet's data at 5:30AM at the time of this image:
RA 11h 00m 22s Dec +42° 13' 05" Appar J2000
Mag: 7.56 Alt: 35° Solar Elong: 55.9° Const: UMa
Sun Dist: 128.08 MKm Earth Dist: 117.22 MKm
Photographer's website:
No URL provided.
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