Comet C/1989 X1 (Austin)
Usercomethunter
User`s nameMaik Meyer
Observation's time (UT)1990-05-04 01:26:00
Tool10*50 B
Observation's place
Magnitude5.5
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')3.5
Tail's length0.8°
Condensation8
Positional angle of tail290
Bortl's scaleNot set
Aperture5 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification10
Field of view (°)Not set
SQM-L in zenith
Light pollution zone
Lm
Comment
Morris Format1990 May 4.06 UT: m1=5.5, Dia.=3.5', DC=8, Tail: 0.8 deg, in PA 290 deg ...5-cm B (10x) ...Maik Meyer (, )