Eta Aquariids

E867058

The Eta Aquariids are an annual meteor shower in early May produced by debris from Halley’s Comet, known for fast, bright meteors best seen from the Southern Hemisphere.

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Statements (47)

Predicate Object
instanceOf meteor shower
activityEnd around May 28
activityStart around April 19
alsoKnownAs Eta Aquarids NERFINISHED
alsoVisibleFromHemisphere Northern Hemisphere NERFINISHED
annualEvent true
associatedCometOrbitalPeriod about 76 years GENERATED
bestSeenFromHemisphere Southern Hemisphere
bestViewingDirection toward eastern sky before dawn
cause Earth passing through debris stream of Halley’s Comet
discoveredBy G. L. Tupman NERFINISHED
firstObservedYear 1870
hemisphereStrength stronger in Southern Hemisphere
hemisphereVisibilityDifference radiant higher in Southern Hemisphere sky
IAUShowerNumber 031
meteorAppearance bright
meteorColorCommon yellowish
meteorDuration short-lived streaks
meteorEntryAngle steep
meteorSpeedCategory fast
meteorStreamType Halley-type stream
notableFor fast meteors
high Southern Hemisphere rates
occursAnnually yes
occursInMonth April
May
originatesFrom Comet Halley NERFINISHED
parentBody 1P/Halley NERFINISHED
parentCometInclination high inclination
parentCometPerihelionDistance about 0.586 AU
parentCometType periodic comet
peakPeriod early May
radiantConstellation Aquarius NERFINISHED
radiantDeclinationApprox -1 degree
radiantRightAscensionApprox 338 degrees
radiantStar Eta Aquarii NERFINISHED
relatedMeteorShower Orionids GENERATED
showerActivityClass strong
showerCode ETA NERFINISHED
trailCharacteristic persistent trains
typicalMeteorSpeed about 66 km/s GENERATED
typicalObservationCondition dark, clear skies GENERATED
typicalObserverAdvice observe after radiant rises well above horizon GENERATED
typicalPeakDates May 5 GENERATED
May 6 GENERATED
visibilityBestTime pre-dawn
zenithalHourlyRate up to 50 meteors per hour

Referenced by (1)

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Aquarius associatedMeteorShower Eta Aquariids