LBT OSU/RC Partner OBserving Notes
Date: 2015 April 19 UTC 
Observers: OSURC
Support Astronomer: Barry Rothberg (on-call)
Telescope Operator: Steve Allanson

SUMMARY:
MODS all night. Night started out clear with seeing ~1. Seeing improved in the first quarter of night to ~0.8", but
deteriorated to ~1.5" toward the middle of the night. Second half saw better seeing at ~1. 

Programs completed are:
ND sbs1122b
ND sbs1122a
OSU_M101_LS1
OSU_M101_4
OSU_US1558


Observing Notes: (All times are UTC unless otherwise noted)

01:06 UM_M101_2 cals
01:26 UM_M101_5 cals 
01:44 Longslit cals for red grating only
      - grlamps_r.cal
      - grpixflats_r.cal (slitflats_r.cal for later)

02:00 Opening up telescope
      Pointing and collimating

02:38 Feige34 acq

02:44 Feige34 obs (dual grating, red grating, dual prism)
      seeing 1.1
      clear sky

03:16 ND sbs1122b acq
      seeing 0.95

03:28 ND sbs1122b obs
      seeing 1
      clear sky

04:17 seeing 1
      clear sky

04:35 ND sbs1122a acq
   
04:44 ND sbs1122a obs
      seeing 0.84
      clear sky

05:51 OSU_M101_LS1 acq
      seeing 0.8
      clear sky

06:03 OSU_M101_LS1 obs

06:49 Stopped 3rd exposure to re-align (snr not too good)

06:58 One last exposure on OSU_M101_LS1
      Seeing 1.2
      Clear sky

07:07 Problem with instconfig timing out - had to abort and re-issue obs
      Seeing jumped to 1.6 

07:29 OSU_M101_4 acq
      Seeing 1.4
      Clear sky

07:40 OSU_M101_4 obs

08:16 Seeing 1.54
      Clear sky

09:10 OSU_US1558 acq
      Seeing 0.97
      
09:24 OSU_US1558 obs
      Seeing 1.3
      Clear sky

10:07 Seeing 1
      Clear sky

11:00 Seeing 1

11:32 bd332642 acq 

11:38 bd332642 obs (dual prism, dual grating)

11:58 Closing up telescope

12:08 Cals: slitflats_r.cal, M101_4.cal, USS1558.cal

12:42 Putting mods to sleep