Observing conditions

OAN-SPM weather station

Clear Sky Chart: A graphical prediction of cloud cover, transparency and image quality for the next 48 hours.

Current phase and schedule of the Moon

Visibility of celestial objects from the OAN-SPM

US National Weather Service de la NOAA:

◊ Infrared satellite image (loop)

◊ Visible satellite image (loop)

◊ Water vapor satellite image (loop)

OAN-SPM Webcams: daytime sky images.

Historical record of weather at OAN-SPM

Night sky brightness at OAN-SPM

Windy: Worldwide animated weather map.

All-sky camera: wide field of view image of the night sky at OAN-SPM.

Cloud sensor at OAN-SPM