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09092016

Nightly Observing Plan for MJD 57641 (starting evening of September 9, 2016)

DES observes all night.

Observers

  • Kyle Story (observer 1)
  • Eve Kovacs (observer 2)
  • Mei-Yu Wang (run manager)

CTIO Staff
  • Manuel Hernandez - Obs. Support
  • Alberto Alvarez - operator
  • Staff calendar

Almanac
mjd 57641, date 20160909, Site CTIO, UT-offset 3 hr
Current local time 05:31 CLST     UT 08:31     SidTim 03:06
Sunset     19:39 CLST  22:39 UT   SidTim  258 deg  
Eve. -10   20:14 CLST  23:14 UT   SidTim  267 deg  Zeropoint; standards
Eve. -14   20:33 CLST  23:33 UT   SidTim  272 deg  Begin obstac
Eve. -18   20:51 CLST  23:51 UT   SidTim  276 deg  Last chance standards
Midpoint   01:40 CLST  04:40 UT   SidTim  348 deg  
Moonset    02:52 CLST  05:52 UT   SidTim    7 deg  
Morn -18   06:28 CLST  09:28 UT   SidTim   61 deg  Begin astronomical twilight
Morn Std   06:45 CLST  09:45 UT   SidTim   65 deg  End obstac; begin standards
Morn -10   07:05 CLST  10:05 UT   SidTim   70 deg  
Sunrise    07:40 CLST  10:40 UT   SidTim   79 deg  
Moon position (deg): RA 264.7, Dec -17.8 Phase: 0.523

Weather Conditions

Observing Plan and Goals for the Night

  • Full night of DES observing in Y4
  • Evening standards: [Yzirg ordered scripts]
    UT Date = '2016/09/09 23:14'     Local time = 20:14
    SDSSJ1442-0005        ra 14:42:00  dec -00:05:00  secz 1.7
    SF1615_CCD_35         ra 16:18:14  dec +00:05:08  secz 1.3
    E8-A                  ra 20:07:22  dec -44:37:01  secz 1.2
    
  • Run doughnut observation DES/defocus_nightly.json
  • obstac
  • Try to observe the Alhambra field in izY.
    Criteria:
    - seeing (i) < 1.1 arcsec
    - extinction (i) < 0.2
  • Morning standards: [grizY orderesd scripts]
    UT Date = '2016/09/10 09:45'     Local time = 06:45
    SDSSJ0100-0000        ra 01:00:00  dec +00:00:00  secz 1.8
    GD71_CCD_35           ra 05:52:28  dec +15:58:17  secz 1.6
    SDSSJ0320-0000        ra 03:20:00  dec +00:00:00  secz 1.2
    

Useful links

Nightsum | CTIO Night Report | DECam Logbook
Tololo Environmental Web Page | Detailed hourly forecast | Satellite maps

Quote of the day: Can't buy better weather!
Quote #2: but you can buy a better forecast!

Other Notes