Facility
- LOFAR7
- La Silla ESO 1.5m telescope1
- La Silla, primarily the ESO 50cm telescope, and others2
- Landessternwarte Heidelberg-Königstuhl1
- Liverpool Telescope1
- MAGIC2
- MMT1
- Many; you may obtain a list at http://lightmeter.astronomy2009.at1
- Max-Planck-Institut für Astronomie Heidelberg1
- Observatorio del Roque de los Muchachos1
- Ondrejov Perek 2m Telescope2
- Photographic Focus / MAMA1
- ROSAT2
- SDSS1
- Subaru telescope1
- Tian Shan Astronomical Observatory2
- UK Schmidt AAO1
- UK Schmidt Telescope (AAO-UKST)1
- Universitätssternwarte Bochum near Cerro Armazones3
- VIMOS1