Comet C/1989 X1 (Austin)
Userwacekm
User`s nameWaclaw Moskal
Observation's time (UT)1990-05-19 23:31:00
ToolNot set
Observation's place
Magnitude6.2
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
Aperture6.7 cm
Focal length (mm)804
Type of toolL - Newtonian reflector
Magnification60
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1990 May 19.98 UT: m1=6.2, DC=3 ...6.7-cm (60x) ...Waclaw Moskal (, )