Nightlog UT 20140708

Observers:Olga Kuhn, Michelle Edwards
TO: Geno Bechetti

Summary: Delayed opening due to heavy, threatening clouds and rain in the early evening. Finally opened at around 07:45 UT with some cloud
cover at horizon but obvious holes at zenith. Had some alarms on the chiller that slowed us down; tried LBC on an OSU assassin but found
that temperature difference was too large to collimate successfully (in small part because we had to turn off mirror ventilation during
chiller issue) . Switched to MODS and observed h v2468cyg which was successful in some fairly good conditions (light cirrus and ~1" seeing) and 
ASASSN14dc target (light cirrus ~1" seeing). Overall a few good hours of observing.

Programs: LBC OSURC monitor (NGC5194a) (failed); MODS v2468cyg (SUCCESS);
MODS ASASSN15dc (SUCCESS); MODS specphot standard BD284211 (SUCCESS)

Log:

07:45 - Finished opening; configured for LBC

07:50 - Clouds are moving off; trying first to collimate LBC at N6946d

07:52 - Running dofpia but need some initial coma

07:55 - Trying to add some coma with AO-by-eye

07:57 - Running dofpia again, much better fit for coma, but...

08:00 - Still struggling -- too much spherical; temperature is just too far off (because of closed dome and the chiller issues)

08:05 - Switching to MODS

08:25 - Finished switch and collimating...

08:30 - Realized that fake guide star had been left in gcs; calling JHill for assistance to remove.

08:42 - Collimating on real star; lots of cirrus. Seeing is ~1.0" in GCS.

08:45 - Slewing to V2468Cyg

08:48 - Acquiring V2468Cyg; a little tough to identify the target here. 

09:15 - Observing V2468Cyg; FWHM = 1.0". Some cirrus but sky has improved dramatically! 

09:28 - Obvious emission lines so we have the right target; 0.82" seeing. Starting second spectra.

09:39 - Observing one more spectra for V2468Cyg

09:53 - Slewing to ASASSN14dc; pointing is off. Adjust pointing and collimation

10:05 - Re-slewing to ASASSN14dc

10:20 - Observing ASASSN14dc; FWHM = 1.0" from GCS

             First image done before twilight; second image done while
	     twilight occurs (10:39 about 200s into exposure); third
	     exposure done during twilight but still quite bright continuum 
             compared to BG, which did not rise appreciably. 

10:57 - Slewing to specphot standard BD284211

11:10 - Observing specphot standard BD284211

11:27 - Closing. Parked at zenith and taking flats/lamps/biases for all data