Hourly Airmass Table by Brian Casey , using Skycalc by John Thorstensen
Observatory Kitt Peak Cerro Tololo ESO, La Silla Observatory ESO, Paranal Observatory Anglo-Australian Telescope Mauna Kea Lick Observatory Palomar Observatory Mt. Hopkins, AZ (MMT, FLWO) Shattuck Observatory Roque de los Muchachos, La Palma (zone?) Black Moshannon Obs., Penn State Dominion Astrophysical Obs., Victoria BC McDonald Observatory, Mt. Locke, Texas Gornergrat (TIRGO/KOSMA) Apache Point Observatory Yerkes Observatory Calar Alto Observatory - Spain Mount Lemmon Observatory, AZ, USA Anderson Mesa Sommers-Bausch Observatory, Boulder, CO, USA Other If "Other" enter: