Comet 252P/LINEAR
Userizack
User`s nameIsaac Devenny
Observation's time (UT)2016-03-28 05:30
ToolLightBridge 12" f/5 Truss-Tube Dobsonian
Observation's placePhilo - California
Magnitude10
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')&10
Tail's lengthNot set
Condensation2/
Positional angle of tailNot set
Bortl's scale2
Aperture12 '
Focal length (mm)1524
Type of toolL - Newtonian reflector
Magnification72.6
Field of view (°)1.38
SQM-L in zenith
Light pollution zoneGray
Lm7.5
CommentSignificant light interference from moon, very difficult to spot. neighboring stars ranging from 9.45~10.35 were close in comparison when thrown out of focus. I tried to view it with 15x70 Binos... impossible.
Morris Format2016 Mar 28.23 UT: m1=10, Dia.=&10', DC=2.5 ...12-cm L (72.6x) ...Isaac Devenny (Philo - California, USA)