21P/Giacobini-Zinner 2018-Jun-09 Charles Bell

21P/Giacobini-Zinner
2018-Jun-09 07:57:00 UTC
Stack 9 x 89 secs (total 801 secs)
Sky Motion 1.63 "/min P.A. 031.0 deg
Magnitude 14.8 R aperture radius 8.2 arc sec (UCAC4)
Coma 35" x 19" extended PA 230 deg into tear drop shape
Tail 0.9 arc min curved toward PA 240deg
Charles Bell H47 Vicksburg
0.3-m Schmidt-Cassegrain + CCD + R filter

Ephemeris data:
t - T = -92.94376 days
Delta = 1.063 AU
r = 1.605 AU
El