MDM Observatory 2.4m Telescope Observing Report for 2016 Jul 28

Observer(s): Neric
Institution(s): ASU

Instrument: OSMOS

Worked for 8 hours (all night)
Conditions were Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   High Humidity from 0125 until 0330.
   Beg: Seeing 1.81 arcsec, Clear, Winds Calm
   Mid: Seeing 1.9 arcsec, Clear, Winds Calm
   End: Clear, Winds Calm

Observing Summary:

High humidity, purged the detector much of the night. Did not reach 85% humidity but got close.
Guide star was locked onto and disappeared from window. Re-acquired, didn't seem to have any issues.
During the period of high humidity the guide star began to smear and would disappear entirely for a few 
seconds. After the humidity had calmed down the guide star would still blink out for a few seconds.


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Submitted on 2016 Jul 29 [16:46:04]