Comet 103P/Hartley
Userchergen
User`s nameCarl Hergenrother
Observation's time (UT)1991-08-05 07:40:00
ToolNot set
Observation's place
Magnitude8.9
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')4
Tail's lengthNot set
Condensation
Positional angle of tailNot set
Bortl's scaleNot set
Aperture15.2 cm
Focal length (mm)760
Type of toolL - Newtonian reflector
Magnification30
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1991 Aug 5.32 UT: m1=8.9, Dia.=4' ...15.2-cm (30x) ...Carl Hergenrother (, )