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C/2018 A3
About this observation
Observer
David Swan
Time of observation
22/01/2019 - 21:38
Object
C/2018 A3
Observing location
Tynemouth, UK
Equipment
200mm SCT
Hyperstar
ASI178MM
Maxim DL and Astrometrica
Hyperstar
ASI178MM
Maxim DL and Astrometrica
Exposure
22 x 20s
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Another dim comet in the northern sky. My determination is that this comet is less bright than the MPC prediction, and is in line with Peter Carson's recent estimate.
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Comments
mag of this comet
Hi David,
I observed this comet last night (20190123) and the magnitude from Astrometrica using UCAC-4 and a 9 pixel radius aperture (1.4"/pixel) was 15.5 R .
Denis
Your result is almost
Your result is almost certainly closer to the true value. The SNR in my image is very poor.