Subject |
has reference |
has location |
has owner |
has latitude |
has secondary mirror shape |
has mirror maker |
is a kind of |
has temperature |
has mirror type |
has altitude |
is an instance of |
has synonym |
has focal ratio |
has aperture |
has mount |
has mounting manufacturer |
has definition |
has longitude |
has mirror diameter |
has primary mirror shape |
has creation date |
Cassegrain | | | | | convex hyperboloid | the person, company or institution that created the mirror | reflector | | material and other engineering details | | | | | or primary mirror diameter | | | Telescope devised by Cassegrain in which an auxiliary convex mirror reflects the magnified image, upside down, through a hole in the center of the main objective mirror - i.e., through the end of the telescope itself. It was, however, no improvement on the gregorian telescope invented probably slightly earlier. | | equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) | concave paraboloid | |
Fork equatorial telescope | | | | in degrees, minutes, seconds (N or S) | | | equatorial telescope | ambient | | height above sea level in meters | | | | | equatorial fork | the person, company or institution that constructed the mounting | | in degrees, minutes, seconds (E or W) | | | |
optical telescope | astroweb | | | | | | electromagnetic telescope | | | | | | | | | | | | | | |
C. Donald Shane Telescope | astroweb | Mount Hamilton, Calif., US | Lick Observatory | 37° 21' N | convex hyperboloid | Don O. Hendrix | | ambient | Pyrex | 1290 m | Fork equatorial telescope | 120 inch | f/5, 17, 36 | 3.05 m | equatorial fork | Judson Pacific-Murphy Corp. | | 121° 38' W | equal to aperture (except for Schmidt which has aperture smaller than mirror diameter) | concave paraboloid | 1959 |