300 seconds. Minimum altitude 40° applied. Shot at 26 Mar 2016 23:33 local time (ADT). According to SkyTools the true altitude was almost 45 and so the airmass was 1.4. The distance from the silly Moon was 59°.
Grabbed the weather data from WU between 11:31 and 11:36 PM. Temperature was 2.5°C, the dew point 0.2, the humidity 85%, and the air pressure 994.1 hPa. The wind shifted. South at 3.2 km/h gusting to 4.8; south-west at 4.8 gusting to 11.3.
The SQM was showing 19.0 Mag/Square Arc Sec. Wow.
Checked the Clear Sky Chart. Cloud: 10, clear; transparency: 3, average; seeing ranged from 2 to 3 out of 5, poor to average. The Moon altitude ranged from -1 to 6.
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