THE Director of an Observatory, who, with a thirty-six-inch refractor
, had discovered the moon, hastened to an Editor, with a four-column account of the event.
The objects in his previous three books were observed using a 4-inch (101mm) TeleVue Genesis refractor
at high altitude in Hawaii.
For most people, a refractor
is the archetypal telescope.
Telescope - Young and old astronomers alike can gaze into the galaxy and beyond with this classic refractor
Let ME WAX LYRICAL about the joys of a quality 5-inch refractor
As explained in the paper, following Hay's death in 1949 details of the fate of his 6-inch Cooke refractor
seem to have been forgotten, if they were ever known outside his closest friends and family.
I even had a telescope--a little 60-millimeter refractor
mounted on a wobbly tripod.
Huggins did indeed use a small Clark refractor
for his early spectroscopic work, but the photograph actually shows him seated in front of a 15-inch Grubb refractor
that was counterbalanced by an 18-inch reflector (not in view).
The great Meudon refractor
has been out of action since the early 1990s, but at least the dome has been restored and money has been allocated for the refractor
, a 5-inch f/10 refractor
, and a 13-inch f/4.
Each of our professional catadioptric and refractor
telescopes is equipped with a focuser, filter wheel and CCD camera, which gives our members a profound viewing experience.
I "showed" them Albireo, the well-known double star in Cygnus, through the 12-inch refractor