HRS ivo://helio-vo-ukssdc.eu.mirror/org.astrogrid.registry.RegistryService MSSL Kevin Benson k.benson@ucl.ac.uk registry Astrogrid Registry http://helio.ukssdc.ac.uk:80/helio_registry Registry http://helio.ukssdc.ac.uk:80/helio_registry/OAIHandlerv1_0 http://helio.ukssdc.ac.uk:80/helio_registry/services/RegistryHarvestv1_0 200 http://helio.ukssdc.ac.uk:80/helio_registry/services/RegistryQueryv1_0 200 full XQuery false helio-vo-ukssdc.eu.mirror