From: Russet McMillan
Subject: 3.5m Night Log 20020405
Date: Sat,  6 Apr 2002 05:56:39 -0700 (MST)
                         APACHE POINT OBSERVATORY
                         3.5m Telescope Night Log
                          Friday, April 05, 2002
                                                           ACTUAL
 ASTRONOMER    OBSERVER(S)              INSTRUMENT     START  FINISH
 -------------------------------------------------------------------
 D.York                                 SPICam         --:--   --:--
 B.Goldman     C.Gelino, J.Holtzman     SPICam         19:18   05:25
   INST        SCHEDULED     WEATH     EQUIP     OBS     DAY  NOTUSED
 I/RO/DN     START FINISH   D    B    D    B    D    B   USE   D    B
 --------------------------------------------------------------------
 UC06/R      18:26  19:21   0    0    0    0    0    0    0    0    0
 NM01/R      19:21  04:52   0    0    0    0   7.4  2.1   0    0    0
 note: scheduled times listed include instrument change time
                  ------------- ACTIVITY LOG --------------
 1st Half Observing Specialist: J.Barentine
 Ugly clouds hung about the observatory all afternoon long, looking very
soupy by sunset.  The Adler observers waited out most of it, but with only
10-15 minutes left in their block of time and things just clearing enough
to image the brightest objects, they called it a night.  I opened for
Holtzman et al. at about 19:15.
 Things were very uneventful.  Seeing was very good, better than an
arcsecond the whole time with numbers down into the 0.7" range as last
night.  Thin cirrus remained over us but did not present problems for the
observers.
 2nd Half Observing Specialist: R.McMillan
 Second half had continued cirrus and mostly sub-arcsecond seeing,
 with a couple of excursions up to 1.5 arcseconds.  The good seeing
 made it necessary to tinker with the focus fairly often, making small
 adjustments that wouldn't have mattered under mediocre conditions.
 Since these focus adjustments were made on the fly, they aren't
 recorded in the log.  Otherwise, the night was very peaceful.
                        ------- FAILURE LOG -------
 PROG/INST/FAILURE MODE  TIME
 S/E/G/D/O/TI/SHU    START  FINISH  DESCRIPTION
 -----------------------------------------------------------------------
               ---------------- FOCUS LOG ---------------
                                        Air/Truss   Wind
 Time   Instrument   Focus     Az  El    Temp-C    Dir MPH  filt  FWHM
 ---------------------------------------------------------------------
 19:31  SPIcam     -50(857)    240 67   10.6/12.4  225  9    I    0.71
 19:40  NA2gdr   -1056(59944)  166 57   10.4/12.0  235  10   R    0.68
 21:18  SPIcam      50(919)    220 48   10.3/10.6  236  10   I    0.70
              --------------- WEATHER LOG ----------------
                                 Wind                        Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:01    56    22     16   275  (W)      483  MstlyCldy    none
     17:01    55    20     11   257  (WSW)    517  MstlyCldy    none
     18:01    52    22     11   223  (SW)     448  MstlyCldy    none
     19:01    51    23     11   228  (SW)     467  PtlyCldy     none
     20:01    50    21     15   225  (SW)     365  PtlyCldy     none
     21:01    50    21     10   235  (SW)     446  MstlyClr     none
     22:01    51    19     15   237  (WSW)    541  MstlyClr     none
     23:01    50    19     10   247  (WSW)    513  MstlyClr     none
     00:01    50    19     11   256  (WSW)    545  mstly clr    none
     01:01    48    20     14   253  (WSW)    658  mstly clr    none
     02:01    47    21     14   237  (WSW)    569  mstly clr    none
     03:01    47    20     13   252  (WSW)    494   cirrus      none
     04:01    46    20     11   243  (WSW)    524   cirrus      none
     05:01    46    19      9   225  (SW)     437   cirrus      none
   note: the wind was coming from the azimuth listed.  The convention
   used is north=0 degrees, east=90 degrees.  The dust count is
   particles > 1u per 0.1 cubic feet.
                               TELESCOPE STATUS
   Primary, secondary, and tertiary mirrors in place and collimated.
   Primary support system operational. Mirror ventilation system in
   place.
   Telescope drives operational. Current Remark version: 2.82
   Current guide software version: GIm Ctrlv4.1b2
   Current TCC version: 2.5.5