PERKT 20110811.026 12.1 DPV ACTIVE PERTZ 20110811.028 13.2 DPV ACTIVE PERFO 20110811.032 13.6 DPV ACTIVE CAMV391 20110811.044 14.3 DPV ACTIVE Clear Skies! Pavol A. Dubovsky & Newton Chermelin 300/1500 mm Astronomical Observatory on Kolonica Saddle SLOVAKIA