Cerro Paranal:                            -70.4  -24.6
La Silla:                                 -70.7  -29.3
Cerro Pachon:                             -70.7  -30.2
Las Campanas:                             -70.7  -29.0
South African Astronomical Observatory:   +20.8  -32.4
Siding Spring:                            +149.1 -31.3
Mauna Kea:                                -155.5 +19.8
Lick Observatory:                         -121.6 +37.3
Palomar:                                  -116.9 +33.4
Kitt Peak National Observatory:           -111.6 +32.0
Lowell Observatory:                       -111.4 +34.7
Fred Lawrence Whipple Observatory:        -110.9 +31.7
Mount Graham International Observatory:   -109.9 +32.7
Apache Point                              -105.8 +32.8
McDonald Observatory:                     -104.0 +30.7
Observatorio del Roque de los Muchachos:  -17.9  +28.8
Calar Alto:                               -2.5   +37.2
Special Astrophysical Observatory RAS:    +41.4  +43.6
Devasthal Observatory:                    +79.0  +29.0
Xinglong Station:                         +117.6 +40.4