CometC/2010 X1 (Elenin)
Usercosteira1
User`s nameAlexandre Amorim
Observation's time (UT)2011-08-16 21:50:00
ToolNot set
Observation's place
Magnitude8.3
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')4
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture18 cm
Focal length (mm)1440
Type of toolL - Newtonian reflector
Magnification57
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2011 Aug 16.91 UT: m1=8.3, Dia.=4', DC=3 ...18-cm (57x) ...Alexandre Amorim (, )