2012 Visibility Forecast
80
Visibility Score
99.3
Expected /hr
65.6%
Moon Illum.
poor
80.9°
Best Alt.
at 01:00
Radiant Altitude & Hourly Rate (Peak Night)
Description
Potential strongest shower of the year but short peak (~6 hours). Bright fireballs common, no persistent trains. Poor January weather often limits observations.
History
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°
Parent Body2003 EH1
Parent Typeasteroid
Best Hemispherenorthern
2012 Dates
Activity StartDec 28
Activity EndJan 12
Peak DateJan 03
Moon PhaseWaxing Gibbous
Moon Condition
poor
Best Timepredawn
Characteristics
Bright Fireballs
Short Peak