Comet88P/Howell
Usercosteira1
User`s nameAlexandre Amorim
Observation's time (UT)2009-08-12 22:04:00
ToolNot set
Observation's place
Magnitude9.8
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
Aperture8 cm
Focal length (mm)0
Type of toolB - Binoculars
Magnification20
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2009 Aug 12.92 UT: m1=9.8 ...8-cm (20x) ...Alexandre Amorim (, )