2020-03-25 ========== CDK20N grizvbt John Kielkopf Clear night with cirrus and rising humidity Outside Temperature 8.80°C Humidity 89 % Pressure 758.95 mm Wind Speed 0 km/h Wind Direction 186° Messier 44 ---------- g', r', i', z' V 128 second exposures og 590 (TESS band) 20 second exposure r' 20 second exposure Images have been dark and bias corrected with astrometry added in the WCS header They are not flat-field corrected The png versions are RGB composites from i'-> R, r'-> G, g' -> B and white balanced for most stars. The coolest stars will show up red, most apparent in the asinh stretch png image.