Telescope Information
IDENTIFIER urn:nasa:pds:context:telescope:lowell.21in0::1.1
NAME Lowell Observatory 21-in Reflector
DESCRIPTION 21.0-in (53 cm) reflector telescope at Lowell Observatory, Mars Hill, Flagstaff, AZ, was built for Harold Johnson, in 1953. The telescope ushered in photoelectric astronomy at Lowell. The 21-in is the only manually slewed telescope at Lowell and is still in use with minimal upgrades since 1953.
FACILITY Lowell Observatory
APERTURE 0.5334
LONGITUDE 248.33556
LATITUDE 35.202778
ALTITUDE
COORIDINATE SOURCE Geodetic - North American (1927) Datum
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INSTRUMENT(S)