Comet 1P/Halley
UserLIN01
User`s name
Observation's time (UT)1985-12-21 19:12:00
ToolNot set
Observation's place
Magnitude4.8
Comparison stars source
MethodB - Bobrovnikoff`s method
Coma diameter(')12
Tail's lengthNot set
Condensation7
Positional angle of tailNot set
Bortl's scaleNot set
Aperture5 cm
Focal length (mm)0
Type of toolB - Binoculars
Magnification7
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1985 Dec 21.8 UT: m1=4.8, Dia.=12', DC=7 ...5-cm (7x) ... (, )