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| physical object > artifact > device > instrument > telescope > electromagnetic telescope > Earth based telescope > altazimuth telescope > Keck > Keck II |
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| Keck II comparison table | |||||||
| Subject | has latitude | is a kind of | has altitude | is an instance of | has focal ratio | has longitude | has creation date |
|---|---|---|---|---|---|---|---|
| Keck | in degrees, minutes, seconds (N or S) | Ritchey-Chrétien | height above sea level in meters | f/1.75, 15, 25 IR | in degrees, minutes, seconds (E or W) | 1991 | |
| Keck II | 19° 49' N | 4150 m | Keck | f/1.75 | 155° 28' W | 1996 |