Comet 217P/LINEAR
UserOutbackmanyep
User`s nameChris Wyatt
Observation's time (UT)2009-08-31 17:45:00
ToolNot set
Observation's place
Magnitude9.8
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')4
Tail's length16°
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20 cm
Focal length (mm)2000
Type of toolT - Schmidt-Cassegrain reflector
Magnification63
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2009 Aug 31.74 UT: m1=9.8, Dia.=4', DC=5, Tail: 16 deg ...20-cm (63x) ...Chris Wyatt (, )