2012 Napoved vidljivosti
48
Ocena vidljivosti
3.3
Pričakovano /h
63.6%
Osvetl. Lune
poor
51.4°
Najb. višina
at 05:00
Višina radianta in urna stopnja (noč vrha)
Opis
Usually weak but can produce spectacular storms. Major outbursts in 1933 and 1946. Best seen in evening unlike most showers.
Zgodovina
Also known as Giacobinids. Storm in 1933 produced ~500/min. Outbursts tied to comet perihelion.
Položaj radianta
Lastnosti roja
Koda IAUDRA
RazredVariable Shower
ZHR5
Hitrost20.0 km/s
Razred hitrostiSlow (<30 km/s)
Pop. indeks (r)2.6
RA radianta262.0°
Dek. radianta+54.0°
Vrh. sol. dolžina195.4°
Matično telo21P/Giacobini-Zinner
Vrsta matičnega telesacomet
Najboljša poloblanorthern
2012 Datumi
Začetek aktivnostiOct 06
Konec aktivnostiOct 10
Datum vrhaOct 06
Lunina fazaWaxing Gibbous
Stanje Lune
poor
Najboljši časevening
Značilnosti
Storm Potential
Slow Meteors
Evening Shower