Weather and Seeing Conditions
Clear Sky Clock
(If the Clear Sky Clock is on a prior date, clear your history and it will update)
(If the Clear Sky Clock is on a prior date, clear your history and it will update)
The darkness level in the Clear Sky Clock takes the altitude of both the sun and moon, as well as the phase of the moon, into account.
Normally, for the altitude of the Sun or Moon at SRO, just hover over the darkness cells of the Clear Sky Clock. However, it will not work on the directed link above. For this function, you need to directly connect the Clear Sky Clock, which you can do through the button below:
Normally, for the altitude of the Sun or Moon at SRO, just hover over the darkness cells of the Clear Sky Clock. However, it will not work on the directed link above. For this function, you need to directly connect the Clear Sky Clock, which you can do through the button below:
Alcor Seeing Monitor: Nightly Mean Seeing
Starts closer to 9:30 PM in the Summer and closer to 8:00 PM in the winter. During the day this number represents the mean seeing for the previous night. During the evening, this number represents the current mean seeing for that evening.
Starts closer to 9:30 PM in the Summer and closer to 8:00 PM in the winter. During the day this number represents the mean seeing for the previous night. During the evening, this number represents the current mean seeing for that evening.
Alcor Seeing Monitor
Starts at 8:30 PM
Starts at 8:30 PM
Current Mean Seeing and Graphic
SBIG Seeing Monitor
Starts at 9:30 PM
Starts at 9:30 PM
Air Particulate Concentration
(Dylos DC 1100 Pro Air Quality Monitor)
(Dylos DC 1100 Pro Air Quality Monitor)
On-Site SkyAlert Weather Station
On-Site Davis Weather Station
Weather Underground 7 Day Extended Forecast
NOAA 5 Day Extended Forecast
NOAA GOES West True Color Image Viewer
NOAA Radar