2025 Visibility Forecast
57
Visibility Score
32.3
Expected /hr
58.5%
Moon Illum.
fair
49.0°
Best Alt.
at 00:00
Radiant Altitude & Hourly Rate (Peak Night)
คำอธิบาย
Strong from southern tropics. 10-30/hr from northern latitudes before dawn. Swift meteors with persistent trains, few fireballs. Good activity for a week.
History
Produced by Halley's Comet debris. Shares parent with Orionids.
Radiant Position
Shower Properties
IAU CodeETA
ClassMajor Shower
ZHR50
Velocity65.4 km/s
Speed ClassSwift (>50 km/s)
Pop. Index (r)2.4
Radiant RA338.0°
Radiant Dec-1.0°
Peak Sol. Lng.45.5°
Parent Body1P/Halley
Parent Typecomet
Best Hemispheresouthern
2025 Dates
Activity StartApr 19
Activity EndMay 28
Peak DateMay 06
Moon PhaseWaxing Gibbous
Moon Condition
fair
Best Timepredawn
Characteristics
Persistent Trains
Fast Meteors
Extended Activity