Comet97P/Metcalf-Brewington
UserPaul Camilleri
User`s namePaul Camilleri
Observation's time (UT)1991-01-12 11:45:00
ToolNot set
Observation's place
Magnitude9:
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')2
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20.3 cm
Focal length (mm)1421
Type of toolL - Newtonian reflector
Magnification35
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1991 Jan 12.49 UT: m1=9:, Dia.=2', DC=5 ...20.3-cm (35x) ...Paul Camilleri (, )