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Gallery: 46P/Wirtanen

Image taken by Charles Bell


Fig 1:
 

Image Parameter Details
Image Date (UTC): 2018-11-11
Image Time (UTC): 15:09-15:14
Exposure: 120s ea
Filter: RGB
Field of View:
Observing Site: iTelescope T12 Telescope Siding Spring Q62
Observing Equipment:
Digital Processing:
Comments:
Comet 46P/Wirtanen
2018-Nov-11 15:12:11 UTC
Q62 iTelescope Observatory, Siding Spring T12
RGB Color Composite
120 secs exposure per filter
Telescope: 106mm Takahashi FSQ ED APO Refractor Astrograph
CCD: FLI Microline 11002 ABG 
Pixel Size: 3.50"/pix


2018-Nov-11 15:09:44 UTC
Red Filter Exposure 120 secs
R mag 11.36 +/- 0.14 (UCAC4)
Aperture radius = 33.2 arcsec
Afrho R = 42 cm rho = 5225 km mSun = -27.12
Coma 3.7 arcmin×3.0 arcmin extended PA 010 to 015 deg

2018-Nov-11 15:12:14 UTC
Green or V Filter Exposure 120 secs
V mag 11.64 +/- 0.14 (UCAC4)
Aperture radius = 33.2 arcsec
Afrho V = 45 cm rho = 5225 km mSun = -26.78
Coma 10.8 arcmin×10.7 arcmin extended PA 010 to 015 deg

2018-Nov-11 15:14:38 UTC
Blue Filter Exposure 120 secs
B mag 12.40 +/- 0.15 (UCAC4)
Aperture radius = 33.2 arcsec
Afrho B = 40 cm rho = 5225 km mSun = -26.14
Coma 11.4 arcmin×11.2 arcmin extended  PA 010 to 015 deg

Ephemeris data:
Sky Motion 0.56"/min P.A. 019.9 deg
Altitude = 58.9 deg
Airmass = 1.167
t - T = -31.30621 days
Delta = 0.217 AU
r = 1.136 AU
Elongation = 128.0 deg
Phase = 43.4 deg
PsAng = 18.9 deg
PsAMV = 265.6 deg
PlAng = +30.6 deg
Constellation: Fornax
True Anomaly = 325.2 deg
MPC m1 = 11.5
JPL Tmag = 12.43

Table 1: Data about image.
 

Updated: 14-Dec-2018