All-sky Multi-colour, Multi-epoch SuperCOSMOS Sky Survey Images Now Available in the VO Through SIAP

This paper describes a new all-sky Simple Image Access (SIA) protocol cut-out service based on the legacy Schmidt telescope photographic surveys (epoch 1949-2000) as digitised by the now decommissioned precision plate scanning facility SuperCOSMOS. Every part of the sky is covered in BRI (typical depths B = 22, R = 20, I = 18 with 2" resolution) with at least two epochs in R; multiple-epoch images are available in the substantial survey overlap regions. Furthermore, specialist regions have additional filter/epoch coverage, e.g. H alpha and matched R exposures in the Galactic Plane, and similar to 200 multi-epoch/colour images spread over similar to 30 years in the ESO/SRC survey field 287 at 21(h)28(m), -45 degrees (B1950). The service has been published to the international Virtual Observatory through the WFAU publishing registry, which can be found through the IVOA Registry of Registries.