CometC/2018 W2 (Africano)
Userjeff42
User`s namej-philippe remillieux
Observation's time (UT)2019-08-31 02:00
ToolDobonian Telescope
Observation's placeparc naturel régional du pilat
Magnitude10.5
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')3
Tail's lengthNot set
Condensation
Positional angle of tailNot set
Bortl's scale5
Aperture250 mm
Focal length (mm)1200
Type of toolL - Newtonian reflector
MagnificationNot set
Field of view (°)Not set
SQM-L in zenith
Light pollution zoneOrange
Lm
Comment
Morris Format2019 Aug 31.08 UT: m1=10.5, Dia.=3' ...250-cm L ...j-philippe remillieux (parc naturel régional du pilat, france)