Comet 23P/Brorsen-Metcalf
Usercomethunter
User`s nameMaik Meyer
Observation's time (UT)1989-08-06 00:14:00
ToolNot set
Observation's place
Magnitude7.7
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')3
Tail's lengthNot set
Condensation6
Positional angle of tailNot set
Bortl's scaleNot set
Aperture5 cm
Focal length (mm)0
Type of toolB - Binoculars
Magnification10
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1989 Aug 6.01 UT: m1=7.7, Dia.=3', DC=6 ...5-cm (10x) ...Maik Meyer (, )