Comet 78P/Gehrels
Usercomethunter
User`s nameMaik Meyer
Observation's time (UT)1998-02-20 18:57:00
ToolNot set
Observation's place
Magnitude12.5
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')0.8
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 Feb 20.79 UT: m1=12.5, Dia.=0.8', DC=2 ...25.4-cm (104x) ...Maik Meyer (, )