Comet 19P/Borrelly
UserLIN01
User`s name
Observation's time (UT)1987-12-22 20:52:00
ToolNot set
Observation's place
Magnitude7.8
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')10
Tail's lengthNot set
Condensation2
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 Format1987 Dec 22.87 UT: m1=7.8, Dia.=10', DC=2 ...5-cm (7x) ... (, )