Comet88P/Howell
Usercer01
User`s nameJakub Černý
Observation's time (UT)2009-08-15 19:40:00
ToolNot set
Observation's place
Magnitude9.8:
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')2
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture10 cm
Focal length (mm)0
Type of toolB - Binoculars
Magnification25
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2009 Aug 15.82 UT: m1=9.8:, Dia.=2', DC=5 ...10-cm (25x) ...Jakub Černý (, )