2020-03-25
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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°



Caldwell 25
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g', r', i', z' V 128 second exposures

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. They are shown
with north up and west to the right using a logarithmic stretch to capture the
faint stars of the cluster.