CometC/2012 S1 (ISON)
UserPiotr Guzik
User`s namePiotr Guzik
Observation's time (UT)2013-04-13 20:09:00
ToolNot set
Observation's place
Magnitude15.2
Comparison stars sourceAQ - APASS catalog
MethodS - Sidgwick`s method
Coma diameter(')0.3
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture32.6 cm
Focal length (mm)1630
Type of toolL - Newtonian reflector
Magnification182
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2013 Apr 13.84 UT: m1=15.2, Dia.=0.3', DC=3 ...32.6-cm (182x) ...Piotr Guzik (, )