Comet C/1987 B1 (Nishikawa-Takamizawa-Tago
UserHAS02
User`s nameWerner Hasubick
Observation's time (UT)1987-02-01 18:00:00
Tool14
Observation's place
Magnitude8.3
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')3
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture8 cm
Focal length (mm)0
Type of tool
Magnification20
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1987 Feb 1.75 UT: m1=8.3, Dia.=3', DC=5 ...8-cm (20x) ...Werner Hasubick (, )