Comet C/1987 B1 (Nishikawa-Takamizawa-Tago
UserHAS02
User`s nameWerner Hasubick
Observation's time (UT)1987-01-28 18:00:00
Tool14
Observation's place
Magnitude8.1
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')5
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture10 cm
Focal length (mm)0
Type of tool
Magnification14
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1987 Jan 28.75 UT: m1=8.1, Dia.=5', DC=3 ...10-cm (14x) ...Werner Hasubick (, )