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Registriert: 01. Juli 2018, 21:40:23 PM Beiträge: 439
Wohnort: Tucson, Arizona
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Werner, thanks for the observation data on 12P, Roland now needs to get us a nice image of 12P with his big scope in that nice dark countryside that he lives in. Your observation peaked my interest as to how hard it would be to observe 12P at its perihelion in 2024 April 21. Good news for Roland and the rest of us, we will be able to watch 12P brighten right up until perihelion when 12P will still be at an altitude of 10 degrees above the western horizon at 0230UT at least as seen from Tucson. After perihelion 12P gets lower and will be lost in twilight and will not be visible again until late in the year in our morning skies when it has become much fainter of course. Seiichi Yoshida's magnitude curve suggest that 12P will be magnitude 4 at perihelion which would be a nice return of a comet that only visits us every 71 years and would make it observable in bright twilight skies. A 45P surprise from 12P would make it a comet to remember, we can only hope!
_________________ Cheers, Mike
 Arizona
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