Comet65P/Gunn
UserPaul Camilleri
User`s namePaul Camilleri
Observation's time (UT)1989-07-25 12:00:00
ToolNot set
Observation's place
Magnitude12.9
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')1
Tail's lengthNot set
Condensation6
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20.3 cm
Focal length (mm)1421
Type of toolL - Newtonian reflector
Magnification56
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1989 Jul 25.5 UT: m1=12.9, Dia.=1', DC=6 ...20.3-cm (56x) ...Paul Camilleri (, )