Comet C/1989 X1 (Austin)
UserLIN01
User`s name
Observation's time (UT)1990-05-29 01:26:00
ToolNot set
Observation's place
Magnitude6.3
Comparison stars source
MethodB - Bobrovnikoff`s method
Coma diameter(')20
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scaleNot set
Aperture5 cm
Focal length (mm)0
Type of toolB - Binoculars
Magnification7
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1990 May 29.06 UT: m1=6.3, Dia.=20', DC=2 ...5-cm (7x) ... (, )