Comet88P/Howell
UserPiotr Guzik
User`s namePiotr Guzik
Observation's time (UT)2009-11-14 16:19:00
ToolNot set
Observation's place
Magnitude9.8
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')3
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20.3 cm
Focal length (mm)1218
Type of toolL - Newtonian reflector
Magnification63
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2009 Nov 14.68 UT: m1=9.8, Dia.=3', DC=4 ...20.3-cm (63x) ...Piotr Guzik (, )