Observation's detail view

Comet 41P/Tuttle-Giacobini-Kresak
UserDmitry
User`s name
Observation's time (UT)2017-03-20 21:45
ToolSky-Watcher 150/750 EQ5
Observation's placeБорисова Грива
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Magnitude8.8
Coma diameter(')7
Tail's lengthNot set
Condensation3.5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture15
Focal length (mm)750
Type of toolL - Newtonian reflector
Magnification31.3
Field of view (°)2.62
SQM-L in zenith
Light pollution zoneGreen
Lm
Comment
Morris Format2017 Mar 20.91 UT: m1=8.8, Dia.=&7', DC=3.5 ...15-cm L (31.3x) ...Dmitriy Bulgakov (Борисова Грива, )