Comet C/1989 X1 (Austin)
UserKAM01
User`s name
Observation's time (UT)1990-04-30 01:55:00
ToolNot set
Observation's place
Magnitude5.2
Comparison stars source
MethodB - Bobrovnikoff`s method
Coma diameter(')Not set
Tail's length1.3°
Condensation8
Positional angle of tail292
Bortl's scaleNot set
Aperture6.3 cm
Focal length (mm)0
Type of toolB - Binoculars
Magnification9
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1990 Apr 30.08 UT: m1=5.2, DC=8, Tail: 1.3 deg, in PA 292 deg ...6.3-cm (9x) ... (, )