Comet88P/Howell
UserPiotr Guzik
User`s namePiotr Guzik
Observation's time (UT)2015-09-18 00:28:00
ToolNot set
Observation's place
Magnitude12.6
Comparison stars sourceAQ - APASS catalog
MethodS - Sidgwick`s method
Coma diameter(')2
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scaleNot set
Aperture32.6 cm
Focal length (mm)1630
Type of toolL - Newtonian reflector
Magnification67
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2015 Sep 18.02 UT: m1=12.6, Dia.=2', DC=2 ...32.6-cm (67x) ...Piotr Guzik (, )