CometC/2015 V2 (Johnson)
UserMarco Goiato
User`s nameMarco Antonio Coelho Goiato
Observation's time (UT)2017-06-28 01:45
Tool7 x 50 B
Observation's placeAraçatuba
Magnitude7.7
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')12
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture5 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification7
Field of view (°)6
SQM-L in zenith
Light pollution zoneYellow
Lm
Comment
Morris Format2017 Jun 28.07 UT: m1=7.7, Dia.=12', DC=3 ...5-cm B (7x) ...Marco Antonio Coelho Goiato (Araçatuba, Brazil)