UT 2010-Jul-12
==============
Program CL3, PI Kraus

Observers: Fabien, Chris

CHARA/CLIMB
TEL       E1-E2-W1-S1
POP       1-4-4-1

TRIPLET   E1-E2-W1  (start-up)
BEAM      B1-B2-B3
REF CART  E2

Starting
LT 11 July 2010, 20:40 (all times in LT in this file) 

Check star 7 Sco (HD 143275)
Target HD142666, Cals: 140990 and 143616

Weather: partially cloudy but less clouds than the previous days, r0 = ? to ? cm

check star
21:00 E1E2 -5167
21:04 E2W1 22500
21:06 -4780 / 22840


cal 140990
21:16 -4498/23088
changing to 500Hz/NONDEST
21:22 -4400/23263    
      recording fringes
      Vis: 0.75/0.58/0.44
      Counts: 20/20/20
21:28 -4320/23360
21:30 -4290/23460

target 142666
21:44 -4243/23776
      recording fringes
      Counts: 23/23/23
      Vis: 0.58/0.31/0.20
21:47 -4183/23800
21:49 -4148/23909

cal 140990
22:01 recording fringes
22:07 -3700/24459


NIRO ALIGN
Check star 164028

cal 162255
22:41 -5112/22364
saturating at 750 and 1000Hz
niro crash due to using fastest mode
W1 stuck
500Hz/DEST
22:57 -4930/22771
      recording fringes on cal 162255
      Vis:0.47/0.36/0.22
      Counts:120/130/85
23:06 -4720/23050
23:09 -4689/23118

switching to target MWC275
23:17 -4567/23093
      recording fringes on MWC275, 500Hz/DEST
      Vis:0.31/0.11/0.08
      Counts:60/70/40
23:29 switching to cal 
      W1 stuck again
      Lost tip/tilt
      Clouds prevents doing anything south now, so we may as well switch now
Switch

0:20 Niro align on Gamma Cyg
Standby because of clouds

TRIPLET   S1-E2-W1  
BEAM      B1-B2-B3
REF CART  E2

0:56 delay ok for mwc340, clouds still there but dissipating
     cal 194708
     scanning for fringes on 500Hz/dest S1E2
     W1 stuck
     hard to find fringes (tip/tilt failing, cart stuck)
1:47     S1W1 -6816
1:55 S1E2/E2W1 -6816/18561
     recording fringes at 500Hz/DEST
     Vis:0.41/0.44/0.31
     Counts:50/40/35
2:01 -6482/18704
     switching to target
     tip/tilt problems
     W1 tip/tilt does not work
switching to S1E2 only
3:20 -5667
     cal 194708
     recording 2T fringes
     Vis:0.32
     Counts: 75
3:25 -5386
3:29 -5451
r0=2-3cm
Most stars too faint for stable tip/tilt, therefore switching target to mwc361
3:51 cal 197750
     -5311
     recording 2T at 500Hz/DEST
     Vis:0.39
     Counts: 80
4:01 -5177     


4:12 target 200775 (mwc361)
     -5264
     recording fringes (very faint but distinct) 2T 
     Vis:0.091
     Sum: 35
4:17 -5202

4:20 switch to cal
4:25 recording 2T at 500Hz/DEST
     Vis:0.433
     Counts:80
4:27 -5000
switch to target
4:40 -5065
     recording fringes
     Vis:0.075
     Counts:90
4:45 -5026
4:49 switch to cal
4:52 -4901
     recording fringes
     Vis:0.39
     Counts:70
     CRASH during the end "BOTH BEAMS" sequence
     taking another set to replace it
4:57 -4824
5:01 -4790
     recording fringe on calibrator again
     Vis:0.40      
     Counts:65

     
r0 = 4-6 cm




Summary
-------
* One bracket of E1E2W1 on HD142666
* Calibrator + target of E1E2W1 on MWC275 (no bracket closure due to clouds).
* 2 brackets of S1W1 on MWC361.