CometC/2015 F4 (Jacques)
UserArtom
User`s nameArtyom Novichonok
Observation's time (UT)2015-08-20 21:24
ToolSW 8''
Observation's placePedaselga forest
Magnitude11.7
Comparison stars sourceAQ - APASS catalog
MethodM - Morris`s method
Coma diameter(')1.4
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scale3
Aperture20 cm
Focal length (mm)1000
Type of toolL - Newtonian reflector
Magnification153.8
Field of view (°)0.39
SQM-L in zenith21.18
Light pollution zoneGreen
Lm
Comment12 гр. С, астрономические сумерки
Morris Format2015 Aug 20.89 UT: m1=11.7, Dia.=1.4', DC=4 ...20-cm L (153.8x) ...Artyom Novichonok (Pedaselga forest, Russia)