Home Stewardship of Night Sky Brightness The Night Sky in Chacoan Culture How We Measure Night Sky Brightness Accumulated Results of Sky Surveys The Night Sky Program at Chaco Image Library Related Links Contact Us

ACCUMULATED RESULTS OF NIGHT SKY SURVEYS Accumulated Night Sky Brightness data from Chaco Culture National Historical Park is available in WRAW, WSTARS, and WFTS formats. All files are compressed into Zip format, between 2.5 and 4 megabytes in size. If you are using Windows, we advise you right-click the file name, and "Save Target As ..." to an appropriate place on your hard drive, and decompress. Date WRAW WSTARS WFTS September 22, 2001 9_22_01wraw.zip 9_22_01wstars.zip 9_22_01wfts.zip You can view some of the raw data, compiled into a 360 degree panorama, by clicking here. Click "BACK" on your browser to return to this page. 'Light domes' from unshielded lighting over metropolitan areas are clear and obvious. Warning: this is a large file. 290k.