Comet 19P/Borrelly
UserHAS02
User`s nameWerner Hasubick
Observation's time (UT)1987-12-19 19:26:00
ToolNot set
Observation's place
Magnitude7.8
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')7.7
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture10 cm
Focal length (mm)0
Type of toolB - Binoculars
Magnification14
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1987 Dec 19.81 UT: m1=7.8, Dia.=7.7', DC=4 ...10-cm (14x) ...Werner Hasubick (, )