When observatories close due to bad weather, they remain closed for at least 45 minutes.
Seeing (arcsec)
Wind speed (km/h)
Cloud cover according to sky temperature (°C)
Night Sky Brightness (mag/arcsec²)
Ambient light levels
Temperature & Dew point (°C)
Humidity (%)
Real-Time Data Metrics
AAG Cloudwatcher Data (24/7 )
Temperature: 10.19 °C
Avg* Temperature on site: 13.38 °C
Humidity: 40%
Avg* Humidity on site: 18.95%
Dew point: -2.81 °C
Wind Speed: 8km/h
Avg* Wind Speed on site: 3.63km/h
Gust: 8km/h
Brightness: Dark
Rain: Dry
Clouds: Clear
*Calculated since 2023-06-15 09:25:02.
Alcor System Cyclope Data (Night-Only)
Last Reading: 2025-06-11 05:28
Last Seeing: 0.86"
Avg* Seeing: 1.01"
Best Seeing: 0.38"
On: 2025-05-30 23:21
Night Best Seeing: 0.86"
On: 2025-06-14 13:26
*Calculated since 2025-05-21 14:04:05.
DarkSkyLab Ninox Data (Night-Only)
Last Reading: 2025-06-05 19:24
NSB: 17.94 mag/arcsec²
Zenith Galactic Latitude (ZGL): 29.7°
Sun Altitude: -19.6°
Moon Altitude: 60.4°
Moon Phase: 76%
Night Best NSB: 18.45 mag/arcsec²
On: 2025-06-05 18:48
ZGL of Night Best NSB: 26.8°
Best NSB: 21.96 mag/arcsec² (Bortle 1 class)
On: 2025-05-17 19:30
ZGL of Best NSB: 23.2°
Alcor System All-Sky Camera (24/7)
