64p 20180815 cbell

64P/Swift-Gehrels in outburst
2018-Aug-15 08:48:26 UTC
Exposure 1016 secs (8 x 127 secs)
Sky motion: 1.00"/min P.A. 027.0 deg
Pixel scale 1.89"/pixel
R band magnitude: UCAC4
14.9 R aperture radius 8.5 arc sec (4 pixels)
13.4 R aperture radius 33.0 arc sec (17 pixels)
Coma irregular asymmetric shape
Length approximately 40" along radial direction
Width approximately 52" transverse direction
Two wings across radial direction do not match.
Dust spine extending away from sun with slight curvature toward PA 241 deg
Charles Bell H47 Vicksburg
0.3-m Schmidt-Cassegrain + CCD + R filter
ArcSinh stretch with Fits Liberator