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08152017

Nightly Observing Plan for MJD 57981 (starting evening of August 15, 2017)

DES has the second half of the night.

Observers

  • Erika Cook (observer 1)
  • Jen Marshall (observer 2/run manager)
  • Marcus Sauseda (support)

CTIO Staff

  • Hernan Tirado - Obs. Support
  • Alberto Alvarez - operator
  • Staff calendar

Almanac

mjd 57981, date 20170815, Site CTIO, UT-offset 3 hr
Current local time 14:07 CLST     UT 17:07     SidTim 10:02
Sunset     19:25 CLST  22:25 UT   SidTim  230 deg  
Eve. -10   20:01 CLST  23:01 UT   SidTim  239 deg  Zeropoint; standards
Eve. -14   20:20 CLST  23:20 UT   SidTim  244 deg  Begin obstac
Eve. -18   20:39 CLST  23:39 UT   SidTim  248 deg  Last chance standards
Midpoint   01:47 CLST  04:47 UT   SidTim  326 deg  
Moonrise   03:20 CLST  06:20 UT   SidTim  349 deg  
Morn -18   06:55 CLST  09:55 UT   SidTim   43 deg  Begin astronomical twilight
Morn Std   07:13 CLST  10:13 UT   SidTim   47 deg  End obstac; begin standards
Morn -10   07:33 CLST  10:33 UT   SidTim   52 deg  
Sunrise    08:09 CLST  11:09 UT   SidTim   61 deg  
Moon position (deg): RA 68.7, Dec 17.1 Phase: 0.448

Weather Conditions

Observing Plan and Goals for the Night

  • DES second half night: 01:47 CLT to 07:33 CLT
  • Standards
One standard for Middle-of-Night Switchover (UT 2017/8/16 04:47:00)
--------------------------------------------------
UT Date = '2017/08/16 04:47'     Local time = 01:47
SDSSJ0100-0000        ra 01:00:00  dec +00:00:00  secz 1.8
  • obstac for !~1 hour
    • expect short SN fields and WF
  • ToO for ~4 hours starting at UT 0600/CLT 0300
  • morning standards (if clear) [grizY ordered scripts]:
Standards for Morning Twilight (UT 2016/8/14 10:15:00)
----------------------------------------
UT Date = '2017/08/16 10:13'     Local time = 07:13
SDSSJ0000-0000        ra 00:00:00  dec +00:00:00  secz 1.7
SDSSJ0100-0000        ra 01:00:00  dec +00:00:00  secz 1.4   
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

Notes from (yesterday's) 4PM Meeting

  • Engineering (star flats and DECal tests) and ToO last night.
  • Test ObsTac.
  • WOD: We're ready!

Other Notes