2011-06-15 (UT)
==========

Program: CL4 (YSOs, PI: Kraus et al.)

Observers: Fabien Baron, PJ Goldfinger, FLUOR team

B1  B2  B3
----------
E1  W1  W2   (W1=REF)


(S1S2E1E2W1W2: 4-5-1-3-1-5)

CLIMB on beam 1,2,3

LT  - 20:30

*** E1W1W2, W1=ref.


start: weather clear, humidity <40%
r0 = 3-6 cm at the start of the night, then around 8 cm

scan length LONG

Problems with E1 server having crashed


trying MWC 863
	   
cal 150698 NIRO ALIGN

21:50 500/-3000
      seeing is too bad to be able to do anything

22: 00 380/-2950
22:07 500/NONDEST/HALF      
      counts : 40 / 45 / 30
      V: 0.43 / 0.50 / 0.37
22:14 324/ -2880
22:20 MWC863
22:28 60 / -2560
      extremely weak fringes
      mostly B2B3, but I did see a few frames with all 3 !      
       500/NONDEST/HALF 
       V: 0.14/0.30/0.10
       counts: forgot to get them...
now trying 250Hz/DEST/FULL
    MWC863
22:40 30/-2560 ?
    fringes in B2B3 sometimes, very few fringes in B3B1, none in B1B2
    counts: 25 / 47/30
    V: 0.11 / 0.24 / 0.13
    very very bad data especially at the end
23:05 50 / -2600
      counts: 30 / 50 / 30
      V: 0.42/0.40/0.29
23:09 50 / -2600


will try to tweak tip/tilt to make it faster and improve things
tweaks with PJ did not bring any improvment

trying MWC 614

23:52  cal HD 177305
       ??? / -1600
0:00   ??? / -1580      
0:07   -190/-1510
       500Hz/NONDEST/HALF 
       counts: 35 / 35 / 35
       V: 0.67 / 0.57 / 0.39
0:18   MWC 614
       -165/-1520
       counts: 40 / 35 / 35
       V: 0.21 / 0.25 / 0.19
0:26   -172/-1480
       cal HD178568
0:35   -144/-1414
       counts: 20 / 20 / 20
       V: 0.59 / 0.56 / 0.55
0:51   MWC 614
       -180 / -1340
       counts: 35 / 30 / 30
       V: 0.23 / 0.23 / 0.18
1:00   -200/-1321
       cal HD 177305
1:05   -190 / -1240
       counts:
       V: 0.44 / 0.45 / 0.45        
1:14   -210/-1240
       MWC 614 
1:27   -200/-1200 
       lots of bad snr frames
       took a while to find B2B3 and B3B1 but found thenm
       B1B2 is at most in a few frames, but is there
       cosmic ray at some point
       counts: 20 / 20 / 20
       V: 0.71 / 0.30 / 0.26
1:30   -190/ -1210       
       cal HD178568
1:42   -210 / -1180
       counts: 25 / 10 / 15
       V: 0.53 / 0.52 / 0.44
1:50       -250 / -1170


 switching to MWC 340

       HD 194708 
2:12  -630/-1500
      500 / NONDEST / HALF
      counts: 38 / 38 / 38
      V: 0.51 / 0.50 / 0.37
2:20  -640 / -1500
      MWC 340
2:30  -640 / -1485 
      counts: 40 / 40 / 35
      V; 0.13 / 0.30 / 0.20
2:42 -620 / -1470
2:45  HD 195988  
      -510 / -1458
      counts: not sure, around same as others
      V: 0.56 / 0.53 / 0.48 
2:53  -500 / -1460 
      MWC 340
      counts: 35 / 35/ 35
      V: 0.14 / 0.29 / 0.20
3:05  -570 / -1480
      HD 194708     
3:14  -480 / -1470
      counts: 35 / 35 / 30
      V: 0.54 / 0.47 / 0.41
3:19 -491/ -1470            
3:30 MWC 340
     counts: 25 / 30 / 25
     V: 0.21 / 0.40 / 0.21
     -550 / -1490
     during the end shutter sequence, lost tip/tilt on B3 but got it back before the B3 shutter sequence
     starting shutter sequence is perfectly clean (just in case)
3:40  HD 195988 
3:45  -460/-1460
     counts: 30 / 30 / 30
     V: 0.59 / 0.34/ 0.33
     lost tip/tilt on W2 during DATA, then got it back. shutters unaffected     
4:00 -490 / -1460
     MWC 340 2T
     V: ?? / 0.31 / ??  -- only has W1W2 (B2B3) and might have a few B3B1
out of delay


switching to MWC 361

4:25  NIRO ALIGN on HD 197950
      recording at 750/DEST
      -1880/-2250
      counts: 45 / 50 / 45
      v: 0.58 / 0.43 / 0.42
4:41  MWC 361
      -1900 / -2290
      counts: 70 / 70 / 70
      V: 0.10 / 0.29 / 0.14
4:45 -1875/-2280
      HD 198236
4:52  -2082/-2460
      counts: 120 / 130 / 120
      V: 0.50 / 0.46 / 0.40 
      -2100 / -2452
5:00 MWC 361 
     -2020/-2350
     counts: 80 / 80 / 80
     V: 0.14 / 0.26 / 0.11
5:10 HD 197950
     counts: 50 / 50 /50
     V: 0.52 / 0.42 / 0.45
     -2100/ -2390
5:15
Sunrise      

----
summary of observations:

MWC 863 2 brackets of terrible quality, 2T only I think

MWC 614  3 brackets

MWC 340  3  brackets + half a bracket with 2T only

MWC 361  2 brackets