Comet17P/Holmes
UserArtom
User`s nameArtyom Novichonok
Observation's time (UT)2007-11-05 15:36:00
ToolBPC 7x50
Observation's placeKondopoga
Magnitude2.5
Comparison stars sourceYG - Yale Bright Star Catalogue
MethodS - Sidgwick`s method
Coma diameter(')19
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture5 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification7
Field of view (°)6
SQM-L in zenithNot set
Light pollution zoneOrange
LmNot set
Comment
Morris Format2007 Nov 5.65 UT: m1=2.5, Dia.=19', DC=5 ...5-cm B (7x) ...Artyom Novichonok (Kondopoga, Russia)