Comet C/1989 X1 (Austin)
UserLIN01
User`s name
Observation's time (UT)1990-05-04 02:09:00
ToolNot set
Observation's place
Magnitude5.0
Comparison stars source
MethodB - Bobrovnikoff`s method
Coma diameter(')8.2
Tail's length1.4°
Condensation5
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 Format1990 May 4.09 UT: m1=5.0, Dia.=8.2', DC=5, Tail: 1.4 deg ...10-cm (14x) ... (, )