Comet 19P/Borrelly
UserPiotr Guzik
User`s namePiotr Guzik
Observation's time (UT)2001-09-30 02:38:00
ToolNot set
Observation's place
Magnitude9.6
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')3
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture15 cm
Focal length (mm)900
Type of toolL - Newtonian reflector
Magnification100
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2001 Sep 30.11 UT: m1=9.6, Dia.=3', DC=4 ...15-cm (100x) ...Piotr Guzik (, )