GLOBE AT NIGHT: CLASSIC AND DIGITAL OBSERVATIONS BY CITIZEN SCIENTISTS
The classic campaign produced measurements from 60 countries during the March 8-21, 2007 observing period. The 2007 measurements came from all 50 states except North Dakota. About 65 percent of the 2007 measurements were from the United States. A digital effort was led by educational outreach staff of the National Optical Astronomy Observatory to obtain precise measurements of urban dark skies using digital sky-brightness meters. The GLOBE at Night program is designed to aid teaching about the impact of artificial lighting on local environments, and the ongoing loss of a dark night sky as a natural resource for much of the world's population. The level and quality of artificial lighting around the world has effects on energy use, public safety, human and animal health, and the ability of the general public and astronomers to share in the beauty of the night sky.
The GLOBE at Night Web site is at www.globe.gov/globeatnight. GLOBE at Night is a collaboration among The Global Learning and Observations to Benefit the Environment (GLOBE) Program, Boulder, CO; the National Optical Astronomy Observatory (NOAO) in Tucson, AZ; Centro de Apoyo a la Didactica de la Astronomia (CADIAS) in Chile; Windows to the Universe/UCAR; Environmental Systems Research Institute, Inc. (ESRI); and the International Dark-Sky Association (IDA).
This program was partially funded by a grant from the National Science Foundation. NOAO is operated by the Association of Universities for Research in Astronomy (AURA), under a cooperative agreement with the National Science Foundation.