Spartan 201 was a Space Shuttle-launched and -retrieved satellite for observing the Sun. Spartan 201's science payload consists of two telescopes: the ultraviolet coronal spectrometer and the white light coronagraph. To date it has been carried aboard five Shuttle missions – in April 1993 (STS-56), September 1994 (STS-64), September 1995 (STS-69), November 1997 (STS-87), and October 1998 (STS-95). All but the fourth were successful.