Date: 2018 April 16 UT
Observers: Berg, Cannata, Skillman
TO: David Gonzalez-Huerta
SA: Olga Kuhn

Moon Phase: waning cresent

Summary: 
  Started night with MODS.
  Observe Feige 66 standard star.
  First science target was OSU_Dwarf lsbc_d640 but did not see any emission lines from first exposure.
  Second science target observed was OSU_M82.
  Third science target observed was OSU_ASSASNjz.
  Second half of night we switched to LBC to observe OSU_MONITOR programs.

Weather Conditions:
 Wind: Low: 5-10 mph all night
 Temp: Stable
 Transparency: Mostly clear night. Bands of light to moderate cirrus first third of night.
 Seeing: Good. Almost all < 1.0

Minor Technical Issues:
  MODS2 Red is not available. 

Complete Programs:
    OSU_Dwarf lsbc_d640 ?
    OSU_M82c
    OSU_ASSASNjz
    OSU_monitor/N4826
    OSU_monitor/N4736
    OSU_monitor/N6946

Calibrations:
LBC:
    V, R morning sky flats. Some cirrus present. Will do the rest tomorrow. 
MODS:
    By TO request, calibrations will be taken at start of tomorrow night.
LUCI:
Standard Star:
    Feige66

Details (All Times UTC):
------------------------------------------------------------------------

09:00 - Collimating the telescope. Taking longer than expected.

09:10 - Acquiring MODS standard star Feige 66
             Seeing ~0.85.
09:22 - Observing standard Feige 66.
             Seeing ~0.95.
09:30 - MODS1 blue is stuck - 90% read out. 
             Had to reset IC program on MODS1 blue PC.
             Reran feige66.obs on mods1 only.

10:00 - Acquiring OSU_lsbc_d640.
             Seeing ~0.6.
10:25 - Executing OSU_lsbc_d640.
10:50 - Lost guide star on MODS1 with ~30 sec left. 
             Had to abort scripts due to clouds.

11:00 - Acquiring OSU_M82
11:10 - Executing OSU_M82
             Seeing ~0.8.
             Some cirrus overhead.
11:50 - Things seems to be clearer overhead.
             Seeing ~0.7.
12:10 - Seeing stable around ~0.8.
12:45 - Seeing stable around ~0.8.
13:10 - Seeing jumped to around ~1.1.
13:20 - Seeing back to ~0.8.

13:35 - Aquiring OSU_ASSASN17jz
13:48 - Executing OSU_ASSASN17jz.
              Seeing ~0.9, clear overhead
14:15 - Seeing ~0.8.
14:30 - Seeing ~0.9.

14:55 - Switching to LBC

15:25 - Collimating for OSU_monitor/N4826 field
15:41 - Co-pointing
15:48 - Executing N4826, skies are clear
15:55 - Seeing ~1.13 in blue and ~0.96 in red.
16:00 - Seeing ~0.95 in blue and ~1.03 in red.
16:10 - Seeing ~1.08 in blue and ~0.80 in red.
16:15 - Seeing ~1.01 in blue and ~0.80 in red.
16:25 - Seeing ~0.95 in blue and ~0.92 in red.

16:28 - Collimating for OSU_monitor/N4736
16:38 - Co-pointing
16:42 - Executing N4736, clear overhead
16:48 - Seeing ~1.10 in blue and ~0.99 in red.
16:55 - Seeing ~0.89 in blue and ~0.71 in red.

17:00 - Collimating for OSU_monitor/N6946
17:10 - Co-pointing
17:20 - Executing N6946, clear overhead
17:30 - Seeing ~0.78 in blue and ~0.92 in red.
17:50 - Seeing ~0.75 in blue and ~0.91 in red.