Public index · Astronomy
Hall Telescope
42 in
Recorded
Lowell 42-inch (1.1 m) at Anderson Mesa. Named for John S. Hall.
A research workhorse since 1970. Asteroids, comets, solar analogs. The 42 is the aperture in inches.
What it supports
Lowell states 42-inch. Engineered integer.
What it does not
Not the 4.2-m WHT. Two instruments, two families.
ExactnessExact
Form42
Unitinches
Strengthhard