Date: Thu, 22 Mar 2001 06:04:49 -0700 (MST)
From: Jack Dembicky
Subject: 3.5m Night Log 20010321
                        APACHE POINT OBSERVATORY
                        3.5m Telescope Night Log
                       Wednesday, March 21th, 2001
                                                          ACTUAL
 ASTRONOMER    OBSERVER(S)             INSTRUMENT      START  FINISH
 --------------------------------------------------------------------
 R.Kron       R.Kron, B.Wilhite        SPIcam          18:30  05:40
   INST        SCHEDULED     WEATH     EQUIP     OBS     DAY  NOTUSED
 I/RO/DN     START FINISH   D    B    D    B    D    B   USE   D    B
 --------------------------------------------------------------------
 UC02/O      19:09 05:11    0    0   0.3   0   9.6  0.1   0    0    0
  note: scheduled times listed include instrument change time
                 ------------- ACTIVITY LOG --------------
 1st & 2nd half Observing Specialist: Jack Dembicky
 Started cooling the enclosure (fans on and louvers open) at 16:30.
 Opened enclosure at 18:05.
 At 21:55 the observer slewed the telescope to a new set of coords, the
 telescope made the slew in Az but the Alt did not slew.  I power cycled
 the motors, did an axis init, and a track/mount slew from the tcc (which
 worked) then let the observer re-slew to his object and everything ran
 fine.  Don't know what the glitch (over current?) was or why it happened,
 but power cycling the drives fixed the problem.
 Everything ran fine with the telescope otherwise.
 Seeing was generally good, but the focus had to be adjusted quite often
 by the observers (Probably due to the passing storm system) especially
 during the 2nd half of the night.
         --------------- INSTRUMENT FOCUS LOG ----------------
                                       Air/Truss   Wind
 Time   Instrument   Focus     Az El    Temp-C    Dir MPH  filt   FWHM"
 ----------------------------------------------------------------------
 19:00  SPIcam     -50(1103)  167 56    9.7/11.6  241  17   i'    0.83
 19:07  NA2gdr   2326(63376)  170 56    9.8/11.4  240  16  red    1.18
 20:15  SPIcam     -50(1006)  105 58    8.4/9.6   232  15   i'    0.92
 01:10  SPIcam      50(1003)  300 59    7.7/7.0     5   8   i'    0.87
 03:55  SPIcam      -75(844)  193 63    6.7/6.6   356   6   i'    0.82
              ------------- WEATHER CONDITIONS ------------
                                 Wind                        Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:01    56    14      7   267  (W)      371 lt. cirrus   none
     17:01    56    16     16   231  (SW)     432 lt. cirrus   none
     18:01    49    15     15   256  (WSW)    380 lt. cirrus   none
     19:01    50    12     17   239  (WSW)    448   clear      none
     20:01    46    10     15   250  (WSW)    314   clear      none
     21:01    47    12     12   231  (SW)     276   clear      none
     22:01    46    13     20   281  (W)      508   clear      none
     23:01    46    14     12   294  (WNW)    366 lt. cirrus   none
     00:01    44    14      7   341  (NNW)    333 lt. cirrus   none
     01:01    46    13      5   308  (NW)     343 lt. cirrus   none
     02:01    46    11     12   344  (NNW)    263 lt. cirrus   none
     03:01    46    11      5   340  (NNW)    227 lt. cirrus   none
     04:01    43    13      2   353  (N)      233 lt. cirrus   none
     05:01    45    11      9    33  (NNE)    260  pt. cldy    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: 2.62. Current
  guide software version: GIm Ctrlv3.0b27. Current TCC version: 2.5.1
  Current MC version: v1_7_3.