Comet 21P/Giacobini-Zinner
Usercomethunter
User`s nameMaik Meyer
Observation's time (UT)1998-07-25 22:04:00
ToolNot set
Observation's place
Magnitude13:
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')0.7
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25.4 cm
Focal length (mm)1270
Type of toolL - Newtonian reflector
Magnification104
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1998 Jul 25.92 UT: m1=13:, Dia.=0.7', DC=2 ...25.4-cm (104x) ...Maik Meyer (, )