2012-06-29 (UT)
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Program: CL4 (YSO Imaging, PI: Millan-Gabet et al.)

Observers: Rafael, Chris

beam 1 2 3 = E1 E2(REF) W1 / POPs 134 --> starting configuration
beam 1 2 3 = S1 S29REF) W2 / POPs 555

clear

UT 03:40 = 20:40 local 
NIRO align hd143275
offsets: +520um / +3360um

NIRO 750Hz NONDEST MEDSCAN

04:10 cal1 = hd140990
388um / 3287um
25 / 30 / 25

04:20 target1 = hd142666
438um / 3360um
40 / 40 / 30

04:29 hd140990

04:40 hd142666

04:47 hd140990
355um / 3284um

seeing mediocre...

05:00 hd142666
some flux imbalance...

05:10 hd140990

move on to target2 = mwc275 = hd163296

NIRO ALIGN

NIRO NONDEST 1000Hz MEDSCAN 1/2aperture

05:30 cal1 = hd159743

waiting for target delay...

05:40 repeat hd159743
373um / 3320um
60 / 70 / 60

05:50 mwc275
500um / 3435um
50 / 50 / 50
low SNR fringes on long baselines...
piston seeing not as good as in previous nights...

06:00 hd159743

06:05 cal2 = hd163955 (other cal by mistake)
545um / 3450um
50 / 50 / 50

?? mwc275
3 fringes are there but not overlaped often...

06:27 hd163955

06:36 mwc275
388um / 3460um

?? hd163955

06:50 mwc275
400um / 3440um
50 / 60 / 50
much better 3 fringes now... (higher elevation)

07:05 hd163955

change REF
NIRO ALIGN

07:15 hd163955

07:?? mwc275
443um / 3432um
70 / 70 / 70

07:30 hd159743

07:?? mwc275

07: 50 hd163955

move on to next target2 = v1295aql = hd190073

NIRO align

NIRO NONDEST 750Hz MEDSCAN

08:20 cal1 = hd188385
-240um / 2711um
50 / 50 / 40

nice seeing

08:?? v1295aql

08:45 hd188385
-225um / 2723um
50 / 50 / 40

08:55 v1295aql

09:10 hd189509
-205um / 2662um

09:20 v1295aql

09:35 hd188385
-150um / 2740um

09:45 v1295aql
lost delay on last 40 scans...

change REF

10:00 hd188385
-110um / 2700um
40 / 40 / 40

10:?? v1295aql

10:30 hd188385
40 / 30 / 40

we seem to have lost some flux
NIRO align

out of delay on cals and target...

done.

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Summary:

E1E2W1

HD142666: 3 brackets
mwc275: 6 brackets
v1295 aql: 5 brackets

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