Comet C/1987 P1 (Bradfield)
Usercomethunter
User`s nameMaik Meyer
Observation's time (UT)1987-12-13 17:31:00
Tool8x30 B
Observation's place
Magnitude6.2
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')15
Tail's length
Condensation6
Positional angle of tail60
Bortl's scaleNot set
Aperture3 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification8
Field of view (°)Not set
SQM-L in zenith
Light pollution zone
Lm
Comment
Morris Format1987 Dec 13.73 UT: m1=6.2, Dia.=15', DC=6, Tail: 1 deg, in PA 60 deg ...3-cm B (8x) ...Maik Meyer (, )