Comet88P/Howell
UserMarco Goiato
User`s nameMarco Antonio Coelho Goiato
Observation's time (UT)2015-04-21 08:14:00
Tool20 x 100 B
Observation's placeAraçatuba
Magnitude9.2
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')5
Tail's lengthNot set
Condensation4
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
LmNot set
CommentClouds
Morris Format2015 Apr 21.34 UT: m1=9.2, Dia.=5', DC=4 ...10-cm B (20x) ...Marco Antonio Coelho Goiato (Araçatuba, Brazil)