2018 Ikusgarritasun-iragarpena
66
Ikusgarritasun-puntuazioa
3.9
Espero dena /ordu
4.2%
Ilargiaren argiztapena
excellent
51.7°
Altuera onena
at 05:00
Erradiantearen altuera eta orduko tasa (gailur-gauean)
Deskribapena
Usually weak but can produce spectacular storms. Major outbursts in 1933 and 1946. Best seen in evening unlike most showers.
Historia
Also known as Giacobinids. Storm in 1933 produced ~500/min. Outbursts tied to comet perihelion.
Erradiantearen posizioa
Zaparradaren ezaugarriak
IAU kodeaDRA
KlaseaVariable Shower
ZHR5
Abiadura20.0 km/s
Abiadura-klaseaSlow (<30 km/s)
Populazio-indizea (r)2.6
Erradiantearen RA262.0°
Erradiantearen deklinazioa+54.0°
Eguzki-longitudearen gailurra195.4°
Gorputz nagusia21P/Giacobini-Zinner
Gorputz nagusi motacomet
Hemisferio onenanorthern
2018 Datak
Jardueraren hasieraOct 06
Jardueraren amaieraOct 10
Gailur-dataOct 07
Ilargi-faseaWaxing Crescent
Ilargiaren egoera
excellent
Ordurik onenaevening
Ezaugarriak
Storm Potential
Slow Meteors
Evening Shower