October 29, 2007 – Comet 17P Holmes

Location: Tomball, TX
Cloud cover: none
Transparency: clear
Seeing: good (4/5)
Darkness: city sky glow, before moonrise
Limiting Magnitude: n/a
Wind: mild/none
Humidity: 75%-80%
Temperature: mid-50’s
Start Time: 8:00 pm CST
End Time: 10:00 pm CST
Instrument: 8″ SC, 25mm and 10mm ep’s

Observed comet 17P Holmes, unusual. Nucleus visible as tiny disc in center. Circular coma offset from nucleus, but low-contrast halo centered around nucleus.

Comet 17P Holmes - 29 Oct 2007 - illustration

Low temp + high humidity = early dew.

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