Comet46P/Wirtanen
UserJorge Luis Salas
User`s nameJorge Luis Salas
Observation's time (UT)2018-12-08 01:03
ToolC76 Dob
Observation's placesan diego,carabobo
Magnitude5.2
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodM - Morris`s method
Coma diameter(')60
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture7.6 cm
Focal length (mm)300
Type of toolL - Newtonian reflector
Magnification20
Field of view (°)2
SQM-L in zenith
Light pollution zone
Lm
Comment
Morris Format2018 Dec 8.04 UT: m1=5.2, Dia.=60', DC=3 ...7.6-cm L (20x) ...Jorge Luis Salas (san diego,carabobo, venezuela)