2018 Visibility Forecast
54
Visibility Score
31.4
Expected /hr
68.7%
Moon Illum.
poor
49.0°
Best Alt.
at 00:00
Radiant Altitude & Hourly Rate (Peak Night)
விளக்கம்
Strong from southern tropics. 10-30/hr from northern latitudes before dawn. Swift meteors with persistent trains, few fireballs. Good activity for a week.
வரலாறு
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°
தாய் உடல்1P/Halley
Parent Typecomet
Best Hemispheresouthern
2018 Dates
Activity StartApr 19
Activity EndMay 28
உச்ச தேதிMay 06
Moon PhaseWaxing Gibbous
Moon Condition
poor
Best Timepredawn
Characteristics
Persistent Trains
Fast Meteors
Extended Activity