Comet 1P/Halley
UserKAM01
User`s name
Observation's time (UT)1985-12-12 18:14:00
ToolNot set
Observation's place
Magnitude4.9
Comparison stars source
MethodB - Bobrovnikoff`s method
Coma diameter(')11.5
Tail's length0.7°
Condensation
Positional angle of tail70
Bortl's scaleNot set
Aperture6.3 cm
Focal length (mm)0
Type of toolB - Binoculars
Magnification9
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1985 Dec 12.76 UT: m1=4.9, Dia.=11.5', Tail: 0.7 deg, in PA 70 deg ...6.3-cm (9x) ... (, )