Comet 21P/Giacobini-Zinner
UserMarco Goiato
User`s nameMarco Antonio Coelho Goiato
Observation's time (UT)2018-10-13 05:30:00
Tool20 x 100 B
Observation's placeAraçatuba
Magnitude9.0
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')4
Tail's lengthNot set
Condensation3/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture10 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification20
Field of view (°)2.75
SQM-L in zenith
Light pollution zoneYellow
Lm
Comment
Morris Format2018 Oct 13.23 UT: m1=9.0, Dia.=4', DC=3.5 ...10-cm B (20x) ...Marco Antonio Coelho Goiato (Araçatuba, Brazil)