2018 Visibility Forecast
70
Visibility Score
89.5
Expected /hr
99.2%
Moon Illum.
very_poor
80.7°
Best Alt.
at 01:00
Radiant Altitude & Hourly Rate (Peak Night)
Açıklama
Potential strongest shower of the year but short peak (~6 hours). Bright fireballs common, no persistent trains. Poor January weather often limits observations.
Geçmiş
Named after defunct constellation Quadrans Muralis. First noted 1825 by Antonio Brucalassi.
Radiant Position
Shower Properties
IAU CodeQUA
ClassMajor Shower
ZSH120
Velocity40.4 km/s
Speed ClassMedium (30-50 km/s)
Pop. Index (r)2.1
Radiant RA230.1°
Radiant Dec+48.5°
Peak Sol. Lng.283.16°
Ana Cisim2003 EH1
Parent Typeasteroid
Best Hemispherenorthern
2018 Dates
Activity StartDec 28
Activity EndJan 12
Zirve TarihiJan 03
Moon PhaseFull Moon
Moon Condition
very_poor
Best Timepredawn
Characteristics
Bright Fireballs
Short Peak