Measuring the sky brightness at Cerro Tololo Inter-American Observatory
Professionals from AURA/NOIRLab, the Office for the Protection of Sky Quality in Northern Chile (OPCC in Spanish), and La Serena University participated in measuring the sky brightness at Cerro Tololo Inter-American Observatory, Collowara Observatory, and areas near to the town of Andacollo in Chile.
Credit:SEREMI de Ciencia, Tecnología, Conocimiento e Innovación (Macrozona Centro)