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Ting Li, 12/28/2018 12:44 PM


12282018

Nightly Observing Plan for MJD 58481 (starting the evening of Dec 28, 2018)

Observers
  • Alexandra Amon (Observer 1)
  • Antonino Troja (Observer 2)
  • Ting Li (Run Manager)

CTIO Staff

Almanac

from kentools ephem

mjd 58481, date 20181228, Site CTIO, UT-offset 3 hr
Current local time 15:41 CLST     UT 18:41     SidTim 20:28
Event      Local-Time  Greenwich  Sidereal-Time
Sunset     20:55 CLST  23:55 UT   01:41   25 deg
Eve. -10   21:36 CLST  00:36 UT   02:22   36 deg  Zeropoint; standards
Eve. -14   21:59 CLST  00:59 UT   02:45   41 deg  Begin obstac
Eve. -18   22:23 CLST  01:23 UT   03:09   47 deg  Last chance standards
Midpoint   01:45 CLST  04:45 UT   06:31   98 deg
Moonrise   01:45 CLST  04:45 UT   06:31   98 deg
Morn -18   05:07 CLST  08:07 UT   09:53  148 deg  Begin astronomical twilight
Morn -14   05:31 CLST  08:31 UT   10:17  154 deg  End obstac; begin standards
Morn -10   05:54 CLST  08:54 UT   10:40  160 deg
Sunrise    06:35 CLST  09:35 UT   11:21  170 deg
Moon position (deg): RA 187.2, Dec 3.1 Phase: 0.521

Weather Conditions

Observing Plan

  • DES Half night
  • Evening standards
    UT Date = '2018/12/29 00:36'     Local time = 21:36
    SDSSJ2300-0000        ra 23:00:00  dec +00:00:00  secz 1.8
    SDSSJ0000-0000        ra 00:00:00  dec +00:00:00  secz 1.4
    SDSSJ0200-0000        ra 02:00:00  dec +00:00:00  secz 1.2
    
  • One Midpoint standards
    UT Date = '2018/12/29 04:41'     Local time = 01:41
    MaxVis                ra 06:30:00  dec -58:45:00  secz 1.1
    

Useful links

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

Notes from 4PM Meeting