McDonald 2.1m Argos   July 2012
                    Observer: JJ Hermes

Date (UT)       : 2012-07-14
Start time (UTC): 02:46:48
Run Length      : 15115
Number of frames: 3024

Star name       : J1753
Coordinates     : 17 53 28.3 -01 27 06
Chip Position   : 230,175
Exposure time   : 5
Magnitude       : V~16.5
Filter          : BVR

Seeing (")    	: 1.2
Temp (F)        : 67
Humidity (%)    : 54
Wind (mph)      : 7
Particle (ppcf) : 13000
Cloud           : 3/10

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Information relevant to the whole night:

Sunset   : 21:06 CDT
Sunrise  : 6:58 CDT

Moonrise : 03:12 CDT
Moonphase: 0.218

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Observations are concurrent with BOV star party on the 107", so 
they will suffer from constant headlights of the cars heading up 
the mountain. Will try to note any frame that is highly affected.

Headlights didn't seem to bother the data too much. They were 
done by 11 pm, or about 4000s in.

Timecheck (02:52:55) OK
Timecheck (06:57:50) OK

A few scattered clouds, but never more than ~25% extinction. 
Superb seeing conditions, pretty much below 1.3" the entire run.

Interesting activity about 13500s in. A little double-hump, 
perhaps not entirely related to transparency variations.

Moving on to next target so I can get ~4 hr on each.