Comet 19P/Borrelly
UserPiotr Guzik
User`s namePiotr Guzik
Observation's time (UT)2001-08-21 01:26:00
ToolNot set
Observation's place
Magnitude9.5
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')2
Tail's lengthNot set
Condensation
Positional angle of tailNot set
Bortl's scaleNot set
Aperture15 cm
Focal length (mm)900
Type of toolL - Newtonian reflector
Magnification48
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2001 Aug 21.06 UT: m1=9.5, Dia.=2' ...15-cm (48x) ...Piotr Guzik (, )