Photo prise le mercredi 30 juin 2010 à Guerfand ATIK - 314L WILLIAM OPTICS - SD66

Transparency was poor cause of high altitude clouds. 15X2 min, 800 iso, jpg This proves that the cls filter is definetely a good and cheap light pollution rejection filter for astrophotography and visuals observations. Visualization is linéar after a histogram strech.