Comet88P/Howell
Usercosteira1
User`s nameAlexandre Amorim
Observation's time (UT)2009-09-25 22:04:00
ToolNot set
Observation's place
Magnitude8.9
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')3
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
Magnification45
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2009 Sep 25.92 UT: m1=8.9, Dia.=3' ...18-cm (45x) ...Alexandre Amorim (, )