From San Diego , τ-Per is visible in the evening sky, becoming accessible around 17:45 (PST), 46° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:20, 69° above your northern horizon. It will continue to be observable until around 04:16, when it sinks below 17° above your north-western horizon.
Object type Star
|Right ascension:||02h54m15s |
|3.94 (V) |
4.86 (BT) 
4.02 (VT) 
254.1 lightyrs 
|B-V Color (mag):||0.74|
|Proper motion (speed):||4.5 mas/yr|
|Proper motion (pos ang):||196.1°|
|Absolute mag (V):||-0.52|
All times shown in San Diego local time.