CometC/2011 A3 (Gibbs)
Usercosteira1
User`s nameAlexandre Amorim
Observation's time (UT)2011-09-04 22:04:00
ToolNot set
Observation's place
MagnitudeNot set
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')Not set
Tail's lengthNot set
Condensation
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 Sep 4.92 UT: ...18-cm (57x) ...Alexandre Amorim (, )