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Douglas Tucker, 12/28/2016 01:30 PM


12282016

Nightly Observing Plan for MJD 57751 (starting evening of Dec 28, 2016)

Half night

Observers

  • Douglas Tucker (Obs 1, RM)
  • Sahar Allam (Obs 2)

CTIO Staff

Almanac

mjd 57751, date 20161228, Site CTIO, UT-offset 3 hr
Current local time 15:52 CLST     UT 18:52     SidTim 20:41
Sunset     20:55 CLST  23:55 UT   SidTim   26 deg
Eve. -10   21:36 CLST  00:36 UT   SidTim   36 deg  Zeropoint; standards
Eve. -14   21:59 CLST  00:59 UT   SidTim   42 deg  Begin obstac
Eve. -18   22:23 CLST  01:23 UT   SidTim   48 deg  Last chance standards

Start standards at 04:35 UT

Midpoint   01:45 CLST  04:45 UT   SidTim   98 deg  TURNOVER
Morn -18   05:07 CLST  08:07 UT   SidTim  149 deg  Begin astronomical twilight
Morn Std   05:31 CLST  08:31 UT   SidTim  155 deg  End obstac; begin standards
Morn -10   05:54 CLST  08:54 UT   SidTim  161 deg
Sunrise    06:35 CLST  09:35 UT   SidTim  171 deg
Moon position (deg): RA 277.3, Dec -18.3 Phase: 0.025

Weather Conditions

Observing Plan and Goals for the Night

  • Obstac (SN, wide field)
  • Half Night standards (using calspec) use only 2: grizY
    The Usual.

Standards


UT Date = '2016/12/29 00:36'     Local time = 21:36
SDSSJ2300-0000        ra 23:00:00  dec +00:00:00  secz 1.8
Feige110_CCD_52       ra 23:19:58  dec -05:04:57  secz 1.6
SDSSJ0200-0000        ra 02:00:00  dec +00:00:00  secz 1.2

  • Obstac (wide field)
  • Half Night standards (using calspec) use only 2: grizY

UT Date = '2016/12/29 04:45'     Local time = 01:45
SDSSJ0958-0010        ra 09:58:00  dec -00:10:00  secz 1.8
SDSSJ0933-0005        ra 09:33:00  dec -00:05:00  secz 1.6
MaxVis                ra 06:30:00  dec -58:45:00  secz 1.1