σ-Cas (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 , σ-Cas is visible all night. It will become visible at around 20:48 (PDT), 21° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 03:35, 68° above your northern horizon. It will be lost to dawn twilight at around 05:02, 63° above your north-western horizon.

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Name σ-Cas

Object type Star

Comprised of TYC-4005-2471-1

Other names

σ-Cas
Sigma Cassiopeiae
8-Cas
8 Cassiopeiae
HR 9071^[1]
HD 224572
HIP 118243^[3]

Position

Right ascension:	23^h59^m00^s ^[2]
Declination:	+55°45'17" ^[2]
Constellation:	Cassiopeia
Magnitude:	4.88 (V) ^[2] 4.72 (BT) ^[2] 4.83 (VT) ^[2]
B-V Color (mag):	-0.07
Proper motion (speed):	9.6 mas/yr^[1]
Proper motion (pos ang):	121.6°

Sources

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

^[2]	The Hipparcos Catalogue (ESA 1997)

^[3]	Hipparcos, the new reduction of the raw data (van Leeuwen 2007)

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: 10 Aug 2026, 19:29 UTC
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