Comet 19P/Borrelly
UserPiotr Guzik
User`s namePiotr Guzik
Observation's time (UT)2008-09-07 01:55:00
ToolNot set
Observation's place
Magnitude9.7
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')3
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20.3 cm
Focal length (mm)1218
Type of toolL - Newtonian reflector
Magnification63
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2008 Sep 7.08 UT: m1=9.7, Dia.=3', DC=4 ...20.3-cm (63x) ...Piotr Guzik (, )