Comet 252P/LINEAR
UserAquarellia
User`s nameDeconinck Michel
Observation's time (UT)2016-04-04 02:59
ToolVixen BT126-SS-A
Observation's placeNotre Dame la Brune
Magnitude6.2
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
MethodB - Bobrovnikoff`s method
Coma diameter(')22
Tail's length5'
Condensation1/
Positional angle of tail330
Bortl's scale3
Aperture12.6 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification40
Field of view (°)1.5
SQM-L in zenith19.99
Light pollution zoneGray
Lm5.5
CommentWhat a giant coma, the green color was visible. The sky was bad with lot of clouds. Some elongation was visible to the zenith, the pseudonucleus was not visible. In 30 minutes the movment was clearly perceptible. A sketch was made
Morris Format2016 Apr 4.12 UT: m1=6.2, Dia.=22', DC=1.5, Tail: 5 arcmin, in PA 330 deg ...12.6-cm B (40x) ...Deconinck Michel (Notre Dame la Brune, France)