APACHE POINT OBSERVATORY SDSS 2.5M

                                 OBSERVING LOG
                          Tuesday September 29, 2026

                                  (SJD 61313)

----  Observing Team ----

Kaike Pan

---- Observing Plan ----

Tue 29 Sep 2026    61313   0.84   01:43   01:57  11:49    19:29  05:22   ---     dark until 02:33 ( 0.6 h), then bright ( 9.5 h, w/ 0.2 h for 12 deg design), but the telescope is not operational. 


---- Observing Summary ----

The night was lost. The telescope is not operational due to ongoing work on axis clearing. The weather was bad, rain, high humidity for the entire night anyway.

Completed APOGEE dither cleaning procedure. The dither was moved up by 0.2 pixels. 

---- Telescope Status ----

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

No interlocks bypassed

Status at: 10:30
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    111    lbs,  23.0   psi




---- Software Used ----

 -- STUI software: 
STUI          : 1.7.21
alerts        : 2.3.0
boss          : 6.0.5a1
-boss.specMec : 3.0.4
apo           : 4.1.0
fliswarm      : 0.7.0
jaeger        : 1.11.2a1
kaiju         : 1.4.1
coordio       : 1.18.1
fps_calibrati : 2025.12.04
cherno        : 1.2.2
astrometrynet : 0.97
hal           : 1.4.1
hartmann      : 2.0.2
hub           : 5.0.1a0
mcp           : 2.3.1
-mcp.plc      : 35
-mcp.azFiduci : v1_154
-mcp.altFiduc : v1_154
-mcp.rotFiduc : v1_154
tcc           : 1.4.0
apogee        : not availble
apogeecal     : not availble
apogeeql      : 2.0.0a0
STUIAdditions : FAILED
Boson         : 0.7.0
sdss-obstools       : 3.9.3               
TPM                 : 1.2-31-gd7eb        
MCP                 : 2.3.1               
PLC                 : V35                 
Fiducials           : v1_154              
idlspec2d           : 6.3.0dev            
Kronos              : 2.1.0a              
roboscheduler       : 2.1.0               

/dev/sdb1                       1.0T  424G  600G  42% /home
/dev/sdd1                        22T   18T  3.3T  85% /data



---- Time Tracking ----

                                                                                                    
*=*=*= Observatory: APO
*=*=*= MJD: 61313
       Fill night time in Hours below
*=*=*= Total bright time                     : 9.5
*=*=*= Bright time, queued observations      : 0
*=*=*= Bright time, commissioning/engineering: 0
*=*=*= Bright time lost to weather           : 5.0
*=*=*= Bright time lost to technical issues  : 4.5

*=*=*= Total dark time                       : 0.6
*=*=*= Dark time, queued observations        : 0
*=*=*= Dark time, commissioning/engineering  : 0
*=*=*= Dark time lost to weather             : 0
*=*=*= Dark time lost to technical issues    : 0.6