CometC/2013 US10 (Catalina)
UserRob Kaufman
User`s nameRobert Kaufman
Observation's time (UT)2015-06-19 15:24:00
Tool11.4-cm Newtonian reflector
Observation's placeBright, Victoria
Magnitude10.5
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
MethodM - Morris`s method
Coma diameter(')1.5
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scale3
Aperture11.4 cm
Focal length (mm)900
Type of toolL - Newtonian reflector
Magnification22.5
Field of view (°)2.44
SQM-L in zenith
Light pollution zoneGreen
Lm
CommentSmall and moderately condensed.
Morris Format2015 Jun 19.64 UT: m1=10.5, Dia.=1.5', DC=5 ...11.4-cm L (22.5x) ...Robert Kaufman (Bright, Victoria, Australia)