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Latitude: 51.6737 / 51°40'25"N
Longitude: -3.9933 / 3°59'35"W
OS Eastings: 262264
OS Northings: 199095
OS Grid: SS622990
Mapcode National: GBR GX.7QR2
Mapcode Global: VH4K2.Q6R8
Entry Name: Remains of Astronomical Observatory at Penllergaer
Scheduled Date: 8 May 1980
Source: Cadw
Source ID: 144
Cadw Legacy ID: GM410
Schedule Class: Education
Category: Observatory
Period: Post Medieval/Modern
County: Swansea (Abertawe)
Community: Penllergaer (Penlle'r-gaer)
Traditional County: Glamorgan