Comet 21P/Giacobini-Zinner
Userwacekm
User`s nameWaclaw Moskal
Observation's time (UT)1985-08-24 15:36:00
ToolNot set
Observation's placeKrosno, Poland
Magnitude7.4
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
MethodB - Bobrovnikoff`s method
Coma diameter(')
Tail's lengthNot set
Condensation6
Positional angle of tailNot set
Bortl's scaleNot set
Aperture
Focal length (mm)Not set
Type of tool
MagnificationNot set
Field of view (°)Not set
SQM-L in zenith
Light pollution zone
Lm
Comment
Morris Format1985 Aug 24.65 UT: m1=7.4, DC=6 ...Waclaw Moskal (Krosno, Poland, Poland)