Contemporaries On Commissioning
The Otto Struve telescope saw first light in 1939, behind the 100-inch Hooker telescope and ahead of two large British Commonwealth telescopes, both in Canada. Many competing projects were delayed due to a large war in the early 1940s.
Four largest telescopes in 1939:
| # | Name / Observatory |
Image | Aperture | Altitude | First Light |
Special advocate |
|---|---|---|---|---|---|---|
| 1 | Hooker Telescope Mount Wilson Obs. |
100 inch 254 cm |
1742 m (5715 ft) |
1917 | George Ellery Hale Andrew Carnegie |
|
| 2 | Otto Struve Telescope McDonald Obs. |
82 inch 208 cm |
2070 m (6791 ft) |
1939 | Otto Struve | |
| 3 | David Dunlap Observatory | 74 inch 188 cm |
224 m (735 ft) |
1935 | Clarence Chant | |
| 4 | Plaskett telescope Dominion Astrophysical Obs. |
72 inch 182 cm |
230 m (755 ft) |
1918 | John S. Plaskett |
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