Comet 252P/LINEAR
Userastroivan
User`s nameIvan Sergey
Observation's time (UT)2016-05-12 00:05
Tool200 mm
Observation's placeMolodechno
Magnitude7.6
Comparison stars sourceTK - Tycho-2 Catalogue
MethodB - Bobrovnikoff`s method
Coma diameter(')9
Tail's lengthNot set
Condensation1
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20 cm
Focal length (mm)1000
Type of toolL - Newtonian reflector
Magnification40
Field of view (°)1.3
SQM-L in zenith
Light pollution zoneGreen
Lm5.8
Comment
Morris Format2016 May 12. UT: m1=7.6, Dia.=9', DC=1 ...20-cm L (40x) ...Ivan Sergey (Molodechno, Belarus)