APACHE POINT OBSERVATORY SDSS 2.5M

                                 OBSERVING LOG
                          Thursday October 01, 2026

                                  (SJD 61315)

---- Observing Plan ----

Thu 01 Oct 2026    61315   0.65   01:40   01:55  11:50    19:35  05:32   ---     dark until 04:18 ( 2.4 h), then bright ( 7.8 h, w/ 0.2 h for 12 deg design). The weather are not promising, the telescope is not operational. 


---- Observing Summary ----

Another rain, high humidity night. The night was lost. 

---- Observing Log ----

Afternoon:
=========
23:08:44  Hartmann collimate output
   sp1: offset: r= -989 (In Focus);  b= -0.2 (In Focus) 
   sp1: pred. move: spAverageMove= -462
   sp1: pred. resid: r= -526, b= -1.7, txt= OK, spTemp = 7.3

BOSS cal, APOGEE evening cal were taken, checked.



---- Telescope Status ----

                                                                                                               
  N/A   Started ventilation
  N/A   encl25m : open
  N/A   encl25m : closed

No interlocks bypassed

Status at: 12:15
Telescope stowed at:    121.0, 30.0,   0.0  mount
Instrument mounted:     FPS     
Counterweights at:          
LN2 autofill systems:   Connected and turned on
180L LN2 dewar scales:  SP1   227     lbs,  20.2   psi




---- Time Tracking ----

                                                                                                    
*=*=*= Observatory: APO
*=*=*= MJD: 61315
       Fill night time in Hours below
*=*=*= Total bright time                     : 7.8
*=*=*= Bright time, queued observations      : 0
*=*=*= Bright time, commissioning/engineering: 0
*=*=*= Bright time lost to weather           : 3.9
*=*=*= Bright time lost to technical issues  : 3.9

*=*=*= Total dark time                       : 2.4
*=*=*= Dark time, queued observations        : 0
*=*=*= Dark time, commissioning/engineering  : 0
*=*=*= Dark time lost to weather             : 1.2
*=*=*= Dark time lost to technical issues    : 1.2