105p 20180420 cbell

105P/Singer Brewster
2018-Apr-20 05:29:36 UTC
Stack 9 x 331 seconds
Magnitude 17.3 R aperture radius 10.25 arc sec (UCAC4)
Coma 15 arc sec diameter very condensed
No apparent tail
Charles Bell H47 Vicksburg
0.3-m Schmidt-Cassegrain + CCD + R filter

Ephemeris data:
t - T = -112.0908 days
Delta = 1.259 AU
r = 2.214 AU
Elongation = 155.7 deg
Phase = 10.7 deg
PsAng = 115.8 deg
PsAMV = 283.3 deg
PlAng = -2.2 deg
Constellation: Virgo (Vir)