Observing Log for Mike Durkin


6/25/16 about 12:30AM-2:00AM
Locust Valley, NY
Transparency: 8-9/10, Seeing: 4/5
Temperature: 55-65
Equipment: Hutech modified Canon T3i

DSLR photometry of P Cyg and CH Cyg.
Almost a last quarter moon rising during CH Cyg.
Also of interest, at first I had the alternating bright and dark exposures on CH Cyg. I was able to work around it by changing the f stop from f/5 to f/4.5.


6/18/16 about 12:30AM-2:00AM
Locust Valley, NY
Transparency: 9-10/10, Seeing: 3/5
Temperature: 55-65
Equipment: Hutech modified Canon T3i

DSLR photometry of g Her and R Lyr. Nearly full moon.
First time trying g Her.


6/12/16 about 10:30-11:30PM
Locust Valley, NY
Transparency: 6/10, Seeing: 3/5
Temperature: 55-65
Equipment: 10x50 binoculars

Measured variable stars RY UMa and g Her.
It was extremely windy and there was a significant amount of clouds.


6/11/16 about 12:00 midnight-2:00AM
Locust Valley, NY
Transparency: 7-8/10, Seeing: 3-4/5
Temperature: 60-70
Equipment: 70mm stellarvue and 10x50 binoculars

Measured variable stars, Z UMa, S UMa, ST UMa, τ4 Ser, V CVn, BR CVn, Y CVn and TU CVn.
Planets Mars and Saturn were very bright around Scorpius.
Tried to see if I could make out M4 in the 70mm scope, but I could not make it out. Probably too much light pollution in that direction.



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