Subject: 2.5m obslog 20080502 (MJD 54589)
Date: Sat,  3 May 2008 05:33:31 -0600 (MDT)
From: dmbiz@apo.nmsu.edu (Dmitry Bizyaev)
                       APACHE POINT OBSERVATORY SDSS 2.5M
                                 OBSERVING LOG
                              Friday May  2, 2008
                                  (MJD 54589)
---=== OBSERVING TEAM ===---
Night: Howard Brewington, Dmitry Bizyaev
Swing: Kaike Pan
---=== OBSERVING PLAN ===---
        Science!
---=== OBSERVING SUMMARY ===---
Night was clear and photometric, with hectic seeing change in the second part.
We finished plates 2930 (cart. 5), 2963 (cart. 3), 2970 (cart. 4), and
  2532 (cart. 1).
We added signal to plates 2931 (cart 6) and 2971 (cart 2, almost done)
We are leaving the spectro dewar at 69 lbs, so please check it
during the day.
---=== OBSERVING LOG ===---
Afternoon:
----------
 All systems were checked, and working properly. The spectro focus was
set for about 8 C.
 Cart 5 was mounted for the begining of the night.
Night:
------
01:55Z - enclosure off. Sky is clear. Not much dust as last days, below 2000.
Cart. 5 plate 2930 is on, seguefaint.
  GSOGTF
02:45Z precal
03:01Z science 1500
03:29Z science 1500 --> 1800
postcal
 >> this plate is done  1500
05:26Z science 1500
05:53Z science 1200 --> aborted because we have got enough
       signal for this plate
  >> this plate is done  1200 Looks like we are being hit by a cold front.
T goes down, wind rises, dust rises, seeing goes up.
07:47Z postcal
--
07:54Z Cartridge 4, plate 2970 (chunk)
  fk5 used, offsets cleared, fk5 used again
  focus loop
08:07Z precal
08:14Z science 900 (since seeing and efficiency improved)
  >> this plate is done  1800
  >> this plate is done  caget tpm_TM_PMSSAvg tpm_TM_TelairAvg.VALA
tpm_TM_PMSSAvg                7.585
tpm_TM_TelairAvg.VALA         9.1275
sp1> mechSend s
Coll_motor_A -2267 01P-0000002267
Coll_motor_B -2095 02P-0000002095
Coll_motor_C -2286 01P-0000002286
Coll_motor_A_status 132 01S0132
Coll_motor_B_status 132 02S0132
Coll_motor_C_status 133 01S0133
Requested_exp.time 0
Exp_time_left 0
Last_exp.time 3
Last_open_transit.time 700
Last_close_transit.time 535
Humid_Hartmann 8.5 0xFE4A
Humid_Cen_Optics 8.0 0xFE50
Temp_Median 10.1
sp2> mechSend s
Coll_motor_A 2128 01P0000002128
Coll_motor_B 1582 02P0000001582
Coll_motor_C 1933 01P0000001933
Coll_motor_A_status 133 01S0133
Coll_motor_B_status 132 02S0132
Coll_motor_C_status 133 `1S0133
Requested_exp.time 0
Exp_time_left 0
Last_exp.time 3
Last_open_transit.time 710
Last_close_transit.time 625
Humid_Hartmann -24.9 0x0
Humid_Cen_Optics 8.3 0xFE4C
Temp_Median 7.9
IDL 5.5a> collimate, 52477 (base on cartridge 5).
% Compiled module: COLLIMATE.
Reading /data/spectro/54589/sdR-b1-00052477.fit
Reading /data/spectro/54589/sdR-b1-00052478.fit
 COLLIMATE: Min offset = -0.32 pix
 COLLIMATE: Max offset =  1.05 pix
 COLLIMATE: RMS across CCD =  0.34 pix
 COLLIMATE: Mean offset =  0.32 pix
 COLLIMATE: Camera b1 appears to be OUT-OF-FOCUS (|mean| > 0.15 pix)
 COLLIMATE: Predict blue camera ring movement of  -11.5 degrees for spectro-1
 COLLIMATE:   (if red is already in focus)
Log file        = Collimate-54589-b1-00052477.log
PostScript file = Collimate-54589-b1-00052477.ps
Reading /data/spectro/54589/sdR-b2-00052477.fit
Reading /data/spectro/54589/sdR-b2-00052478.fit
 COLLIMATE: Min offset = -0.40 pix
 COLLIMATE: Max offset =  0.14 pix
 COLLIMATE: RMS across CCD =  0.13 pix
 COLLIMATE: Mean offset = -0.10 pix
 COLLIMATE: Camera b2 appears to be IN-FOCUS (|mean|  0.15 pix)
 COLLIMATE: Predict (red) piston movement of  3694 steps for spectro-1
 COLLIMATE:   Issue SOP command: "sp1; mechPiston 3694"
Log file        = Collimate-54589-r1-00052477.log
PostScript file = Collimate-54589-r1-00052477.ps
Reading /data/spectro/54589/sdR-r2-00052477.fit
Reading /data/spectro/54589/sdR-r2-00052478.fit
 COLLIMATE: Min offset = -0.67 pix
 COLLIMATE: Max offset =  0.31 pix
 COLLIMATE: RMS across CCD =  0.24 pix
 COLLIMATE: Mean offset = -0.02 pix
 COLLIMATE: Camera r2 appears to be IN-FOCUS (|mean| < 0.15 pix)
 COLLIMATE: Predict (red) piston movement of  212 steps for spectro-2
 COLLIMATE:   Issue SOP command: "sp2; mechPiston 212"
Log file        = Collimate-54589-r2-00052477.log
PostScript file = Collimate-54589-r2-00052477.ps
% Program caused arithmetic error: Floating illegal operand