| Sky brightness data from SQM photometers of the Spanish Light Pollution Research Network. REECL-NSB data repository is being archived at the Spanish Virtual Observatory (SVO) See also Galician NSB Monitoring Network; Observatorio del Teide and Roque de los Muchachos Do you want to contribute ? Contact J. Zamorano and join us. More info and some results can be read at the poster presented at the IAU2015. |
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| Observatorio UCM 40º27´04"N 03º43´34"W Madrid (Ciudad Universitaria)  |
Madrid NE 40.45,-3.65 Inside Madrid ~5km from city center  |
Alcalá de Henares 40°26′02″N 03°17′56″W Gurugú Residential ~40km from Madrid  |
| Madrid FCC 40.3742103,-3.6483627 c/ Luis I (residential area)  |
Coslada (Madrid) 40 25 N , 03 31 W Residential S of Madrid airport  |
IGN - Campus UAH 40.502194, -3.341 Alcalá de Henares Residential  |
| Madrid-Fuencarral 40.50111, -3.68364 residential area Madrid N  |
Majadahonda 40.4646156,-3.8620542 Residential ~17km from Madrid  |
Observ. de Yebes - IGN 40°31'27"N 3°05'22"W Guadalajara Rural area ~70km from Madrid  |
| La Vara 43º 28' 21.6''N 6º 23' 26.7''W Valdés, (Asturies) Rural ~25 km from Luarca  |
Observ. Cal Maciarol 42°01'09"N 0°44'40"E Ager, Montsec, ~60km N of Lleida  |
Villaverde del Ducado 41°00'05"N 2°29'31"W Guadalajara, Rural area ~130km from Madrid  |
| Observ. Forcarei 42°36′38.61″N 08°22′15.27″W Rural area (Pontevedra)  |
Observ. Montcabrer 41°31'11"N 02°23'07"E Residential (Cabrils) ~25km N of Barcelona  |
Arroyo-Hurtado 38.0968N 1.6758W rural area E of Murcia  |
| Observatorio Guirguillano 42.71167N 1.865W rural area (Navarra)  |
Pamplona 42.82N 1.65 W Residential area, city center  |
Observatori Gavarres 41.984584N 2.908888E Rural ~15km E of Girona  |
| Sant Jordi de ses Salines 38.8929N, 1.39688E (Eivissa) Residential near Ibiza airport  |
Observ. Cala d'Hort 38.891141 N, 1.240841 E (Eivissa) Rural San José de la Atalaya  |
Parc natural Turia 39.5246N 0.5180W Natural reserve near Valencia  |
| Cebreros TBT Observatory 40.45278, 4.3675W rural area (Ávila)  |
Huétor-Santillán 37.3 N , 3.43 W Rural area ~12km E from Granada  |
Albufera de Valencia 39.357N 0.325 W Natural reserve S of city  |
| Miraflores de la Sierra 40.814N 3.7668 W rural area 40 km north of Madrid  |
Reus 41.15081N 1.1092 E urban area (Tarragona)  |
| Nerpio AstroCamp Observatory 38.16, -2.32 mountain 1650 m (Albacete)  |
The graphs and the data files were created with PySQM free software