- THE OBSERVATORY
- OBSERVATIONAL ACTIVITY
- MAIN SCIENTIFIC PROJECTS
- SOME SPECIAL EVENTS
- DATA ARCHIVE
- INTERNATIONAL RELATIONS
The meteorological conditions of Campo ImperatoreThe quality of an astronomical site mainly depends on its meteorological characteristics.
Geographical latitude and elevation, that are also important, could not change so much the situation of a rainy or mainly clouded site. Because of all these, the maximum attention is paid during the selection of sites to be used for astronomical observatories in the meteorological condition testing.
Using the meteo station and the readings of the seeing sensor that simultaneously reports the turbulence of the atmosphere and the presence of clouds, it is calculated the percentage of time useful for astronomical observations. This percentage takes into account also temperature, wind speed and humidity to select only the time fraction really available to observations.
|Observational time fraction|
The Observatory meteorological archive contains relative pressure, wind, temperature and humidity since 2010.
|band Sloan u'||22.7 mag/arcsec²|
|band Sloan g'||21.9 mag/arcsec²|
|band Sloan r'||20.7 mag/arcsec²|
|band Sloan i'||20.4 mag/arcsec²|
|band Sloan z'||19.3 mag/arcsec²|
|band Johnson J||15.2 mag/arcsec²|
|band Johnson H||13.4 mag/arcsec²|
|band Johnson K||12.6 mag/arcsec²|
At Near Infrared wavelenghts the seeing value is approximately halved with respect to visual band measurements giving huge observational advantages.