Dominion Astrophysical Observatory - Plaskett Telescope Contemporaries On Commissioning

Plaskett Telescope Contemporaries On Commissioning

The Plaskett missed becoming the largest telescope in the World, but remained the second largest until the 74 inch (188 cm) reflector at David Dunlap Observatory in 1935 (also in Canada) debuted.

Top 2 in 1918:

# 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 Plaskett telescope
Dominion Astrophysical Obs.
72 inch
182 cm
230 m
(755 ft)
1918 John S. Plaskett

The next largest were the Harvard College Observatory 60 inch and the Mt. Wilson 60-inch Hale.

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