1947 Sichtbarkeitsvorhersage
53
Sichtbarkeitswert
3.5
Erwartet /Std.
46.8%
Mondbeleuchtung
fair
51.3°
Beste Höhe
at 05:00
Radiantenhöhe & Stundenrate (Gipfelnacht)
Beschreibung
Usually weak but can produce spectacular storms. Major outbursts in 1933 and 1946. Best seen in evening unlike most showers.
Geschichte
Also known as Giacobinids. Storm in 1933 produced ~500/min. Outbursts tied to comet perihelion.
Radiantenposition
Schauereigenschaften
IAU-CodeDRA
KlasseVariable Shower
ZHR5
Geschwindigkeit20.0 km/s
GeschwindigkeitsklasseSlow (<30 km/s)
Populationsindex (r)2.6
Radiant RA262.0°
Radiant Dek+54.0°
Gipfel-Sonnenlänge195.4°
Mutterkörper21P/Giacobini-Zinner
Muttertypcomet
Beste Hemisphärenorthern
1947 Daten
AktivitätsbeginnOct 06
AktivitätsendeOct 10
GipfeldatumOct 07
MondphaseFirst Quarter
Mondzustand
fair
Beste Zeitevening
Charakteristika
Storm Potential
Slow Meteors
Evening Shower