Comet C/1987 B1 (Nishikawa-Takamizawa-Tago
UserHAS02
User`s nameWerner Hasubick
Observation's time (UT)1987-05-21 01:55:00
Tool14
Observation's place
Magnitude7.4
Comparison stars source
Method-
Coma diameter(')11
Tail's lengthNot set
Condensation1
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 May 21.08 UT: m1=7.4, Dia.=11', DC=1 ...8-cm (20x) ...Werner Hasubick (, )