Comet88P/Howell
UserOutbackmanyep
User`s nameChris Wyatt
Observation's time (UT)2009-12-17 10:33:00
ToolNot set
Observation's place
Magnitude9.8
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')5.5
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25 cm
Focal length (mm)1250
Type of toolL - Newtonian reflector
Magnification39
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2009 Dec 17.44 UT: m1=9.8, Dia.=5.5', DC=3 ...25-cm (39x) ...Chris Wyatt (, )