Comet 21P/Giacobini-Zinner
UserPiotr Guzik
User`s namePiotr Guzik
Observation's time (UT)2005-06-04 00:14:00
ToolNot set
Observation's place
Magnitude10.7
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')2
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 Format2005 Jun 4.01 UT: m1=10.7, Dia.=2', DC=4 ...20.3-cm (63x) ...Piotr Guzik (, )