Comet C/1987 P1 (Bradfield)
UserLIN01
User`s name
Observation's time (UT)1987-11-12 17:16:00
ToolNot set
Observation's place
Magnitude6.1
Comparison stars source
MethodB - Bobrovnikoff`s method
Coma diameter(')8
Tail's length
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 Format1987 Nov 12.72 UT: m1=6.1, Dia.=8', DC=7, Tail: 1 deg ...5-cm (7x) ... (, )