Comet C/1989 X1 (Austin)
UserLubas
User`s nameJozef Lubas
Observation's time (UT)1990-05-21 00:14:00
ToolNot set
Observation's place
Magnitude6.3
Comparison stars source
MethodB - Bobrovnikoff`s method
Coma diameter(')Not set
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture5 cm
Focal length (mm)0
Type of toolB - Binoculars
Magnification10
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1990 May 21.01 UT: m1=6.3, DC=3 ...5-cm (10x) ...Jozef Lubas (, )