Comet 217P/LINEAR
Usercer01
User`s nameJakub Černý
Observation's time (UT)2009-08-20 00:00:00
ToolNot set
Observation's place
Magnitude10.9
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')2.3
Tail's lengthNot set
Condensation6
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 20. UT: m1=10.9, Dia.=2.3', DC=6 ...10-cm (25x) ...Jakub Černý (, )