mountain profile Institute for Astronomy University of Hawaii

Coordinates of Mauna Kea Telescopes

Maintained by W-W

The following coordinates were determined from an aerial survey made on September 25, 1996.

Telescope NAD 83 Old Hawaiian Altitude
Latitude (North) Longitude (West) North East (feet)
0.9-m 19 49 17.81149 155 28 15.46587 359995.495 509025.550 13734.67
2.2-m 19 49 22.76784 155 28 09.96073 360495.640 509551.095 13824.00
CFHT 19 49 30.90648 155 28 07.95258 361316.785 509742.720 13793.00
IRTF 19 49 34.38594 155 28 19.19564 361667.615 508669.260 13674.76
UKIRT 19 49 20.75334 155 28 13.17630 360292.335 509244.110 13774.60
JCMT 19 49 22.10741 155 28 37.20394 360428.610 506950.115
CSO 19 49 20.77658 155 28 31.78945 360294.405 507467.055
Keck 1 19 49 33.40757 155 28 28.98665 361568.775 507734.525 13646.92
Keck 2 19 49 35.61788 155 28 27.24268 361791.795 507901.000 13646.92
Subaru 19 49 31.81425 155 28 33.66719 361407.970 507287.690 13658.14
Gemini 19 49 25.68521 155 28 08.56831 360790.000 509684.000 13823.62

Typical grid convergence for the Old Hawaiian coordinates is 0 00 30.

Typical scale factor for the Old Hawaiian coordinates is 0.99996675.

Last updated September 22, 1998

Richard Wainscoat
rjw@ifa.hawaii.edu