Observation's detail view

Comet 109P/Swift-Tuttle
Userchergen
User`s name
Observation's time (UT)1992-10-15 02:09:00
ToolNot set
Observation's placeNot set
Comparison stars sourceAA
MethodS - Sidgwick`s method
Magnitude7.7
Coma diameter(')8
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20.3
Focal length (mm)3045
Type of toolR - Refractor
Magnification152
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1992 Oct 15.09 UT: m1=7.7, Dia.=8', DC=2 ...20.3-cm (152x) ...Carl Hergenrother (, )