Alp-Her (Star)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.

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From South El Monte , Alp-Her is visible all night. It will become visible at around 21:01 (PDT), 30° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 01:15, 70° above your southern horizon. It will be lost to dawn twilight at around 04:36, 40° above your western horizon.

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Name Alp-Her

Object type Star

Part of Rasalgethi

Other names

Alp Her
HR 6406^[1]

Position

Right ascension:	17^h14^m38^s ^[2]
Declination:	+14°23'24" ^[2]
Constellation:	Hercules
Magnitude:	2.78 (V) ^[2] 4.71 (BT) ^[2] 3.33 (VT) ^[2]
B-V Color (mag):	1.16
Proper motion (speed):	33.5 mas/yr^[1]
Proper motion (pos ang):	348.4°

Sources

^[1]	Bright Star Catalogue, 5th Revised Ed. (Hoffleit et al. 1991)

^[2]	The Hipparcos Catalogue (ESA 1997)

Visibility from South El Monte

All times shown in South El Monte local time.

South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

Color scheme

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Last updated: 04 Jun 2026, 18:18 UTC
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