2021 Visibility Forecast
75
Visibility Score
94.7
Expected /hr
81.2%
Moon Illum.
very_poor
80.6°
Best Alt.
at 01:00
Radiant Altitude & Hourly Rate (Peak Night)
விளக்கம்
Potential strongest shower of the year but short peak (~6 hours). Bright fireballs common, no persistent trains. Poor January weather often limits observations.
வரலாறு
Named after defunct constellation Quadrans Muralis. First noted 1825 by Antonio Brucalassi.
Radiant Position
Shower Properties
IAU CodeQUA
ClassMajor Shower
ZHR120
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°
தாய் உடல்2003 EH1
Parent Typeasteroid
Best Hemispherenorthern
2021 Dates
Activity StartDec 28
Activity EndJan 12
உச்ச தேதிJan 03
Moon PhaseWaning Gibbous
Moon Condition
very_poor
Best Timepredawn
Characteristics
Bright Fireballs
Short Peak