46P/Wirtanen 2018-Nov-30 Charles Bell

46P/Wirtanen
2018-Nov-30 11:49:09 UTC
Exposure 600 seconds
Telescope: Takahashi Sky90 90mm f/5.6 APO Refractor
CCD: SBIG ST2000 XCM One Shot Colour
Mount: Paramount PME
Pixel scale: 3.02 arc-secs/pixel
Field of View: 60.5 x 80.7 arc-mins
Coma B Band 32.5 x 29.5 arcmin extended PA 25 deg
Coma V Band 46.4 x 39.9 arcmin extended PA 25 deg
Coma R Band 25.4 x 22.5 arcmin extended PA 25 deg
B Magnitude 11.4 aperture radius 38.5 arcsec UCAC4
B Magnitude 9.9 aperture radius 111.7 arcsec UCAC4
V Magnitude 10.6 aperture radius 38.5 arcsec UCAC4
V Magnitude 9.2 aperture radius 111.7 arcsec UCAC4
R Magnitude 10.2 aperture radius 38.5 arcsec UCAC4
R Magnitude 8.9 aperture radius 111.7 arcsec UCAC4
Afrho B 43 cm rho = 3435 km
Afrho B 60 cm rho = 9965 km
Afrho V 50 cm rho = 3435 km
Afrho V 63 cm rho = 9965 km
Afrho R = 53 cm rho = 3435 km
Afrho R = 61 cm rho = 9965 km
Tail 20 arcmin PA 25 deg
Observer: Charles Bell
Observatory: Q62 Siding Spring iTelescope T13

Ephemeris data:
Sky Motion 3.66"/min P.A. 023.0 deg
t - T = -12.44751 days from Perihelion
Delta = 0.123 AU
r = 1.069 AU
El