Comet 103P/Hartley
Userchergen
User`s nameCarl Hergenrother
Observation's time (UT)1991-08-11 08:23:00
ToolNot set
Observation's place
Magnitude8.4
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')6
Tail's lengthNot set
Condensation7
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 11.35 UT: m1=8.4, Dia.=6', DC=7 ...15.2-cm (30x) ...Carl Hergenrother (, )