Comet C/1990 K1 (Levy)
UserLIN01
User`s name
Observation's time (UT)1990-08-20 21:50:00
ToolNot set
Observation's place
Magnitude4.2
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')20
Tail's lengthNot set
Condensation5
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 Aug 20.91 UT: m1=4.2, Dia.=20', DC=5 ...5-cm (7x) ... (, )