CometC/2012 J1 (Catalina)
UserOutbackmanyep
User`s nameChris Wyatt
Observation's time (UT)2013-01-03 10:48:00
ToolNot set
Observation's place
Magnitude12.9
Comparison stars sourceTA - Comparison-star magnitudes from "The Amateur Sky Survey"
MethodM - Morris`s method
Coma diameter(')0.8
Tail's lengthNot set
Condensation1
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25 cm
Focal length (mm)1250
Type of toolL - Newtonian reflector
Magnification83
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2013 Jan 3.45 UT: m1=12.9, Dia.=0.8', DC=1 ...25-cm (83x) ...Chris Wyatt (, )