Comet 23P/Brorsen-Metcalf
UserPaul Camilleri
User`s namePaul Camilleri
Observation's time (UT)1989-07-30 18:57:00
ToolNot set
Observation's place
Magnitude7.5
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')5
Tail's length0.25°
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture8 cm
Focal length (mm)0
Type of toolB - Binoculars
Magnification20
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1989 Jul 30.79 UT: m1=7.5, Dia.=5', DC=4, Tail: 0.25 deg ...8-cm (20x) ...Paul Camilleri (, )