This telescope was built by Harvard College Observatory and later,
but no longer, operated by the Smithsonian Astrophysical Observatory
(SAO),
in Cambridge, Massachusetts. It was closed on August 19, 2005.
other instruments such as MIT's high-speed photometer
(Peterson et al 1989).
The New England Light Pollution Advisory Group
is working to keep the skies dark in New England for users of this telescope
and everyone else who appreciates seeing the stars at night.