Comet 185P/Petriew
UserArtom
User`s nameArtyom Novichonok
Observation's time (UT)2012-09-17 01:12:00
ToolSW 14''
Observation's placeShadzhatmaz
Magnitude12.2:
Comparison stars sourceAU - ASAS-3 V magnitudes
MethodM - Morris`s method
Coma diameter(')2.2
Tail's lengthNot set
Condensation2/
Positional angle of tailNot set
Bortl's scale3
Aperture355 mm
Focal length (mm)1600
Type of toolL - Newtonian reflector
Magnification128
Field of view (°)0.41
SQM-L in zenith21.2
Light pollution zoneGreen
Lm
Comment
Morris Format2012 Sep 17.05 UT: m1=12.2:, Dia.=2.2', DC=2.5 ...355-cm L (128x) ...Artyom Novichonok (Shadzhatmaz, Russia)