Nights can reach 0.8″ FWHM

While seeing across all of Nevada is excellent, we have some distinct advantages in Death Valley:

• Higher Altitude: 2,657 feet / 810 meters
• Extremely Low Humidity: 29% annual average
• Systems to Mitigate Very Low-Altitude Turbulence such as:
  • Air conditioning to equalize the temperature of both the observatory and the installed equipment.

Although giving an exact seeing forecast is very complicated, you can approximately expect these values:

Once registered, you’ll be able to view the real-time seeing status every night.