Comet88P/Howell
Usercosteira1
User`s nameAlexandre Amorim
Observation's time (UT)2015-04-25 08:23:00
ToolNot set
Observation's place
Magnitude9.4
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')3
Tail's lengthNot set
Condensation
Positional angle of tailNot set
Bortl's scaleNot set
Aperture18 cm
Focal length (mm)1080
Type of toolL - Newtonian reflector
Magnification57
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2015 Apr 25.35 UT: m1=9.4, Dia.=3' ...18-cm (57x) ...Alexandre Amorim (, )