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01162017

Nightly Observing Plan for MJD 57770 (starting evening of Jan 16, 2017)

Half night

Observers

  • Andrés Plazas (Obs 2, RM)
  • Daniel Grün (Obs 1)

CTIO Staff

  • Hernán Tirado - Obs. Support
  • Alberto Álvarez - Operator
  • Staff calendar

Almanac

mjd 57770, date 20170116, Site CTIO, UT-offset 3 hr
Current local time 22:04 CLST     UT 01:04     SidTim 04:07
Sunset     20:56 CLST  23:56 UT   SidTim   45 deg  
Eve. -10   21:35 CLST  00:35 UT   SidTim   54 deg  Zeropoint; standards
Eve. -14   21:57 CLST  00:57 UT   SidTim   60 deg  Begin obstac
Eve. -18   22:20 CLST  01:20 UT   SidTim   66 deg  Last chance standards
Moonrise   23:52 CLST  02:52 UT   SidTim   89 deg  
Midpoint   01:53 CLST  04:53 UT   SidTim  119 deg  
Morn -18   05:26 CLST  08:26 UT   SidTim  172 deg  Begin astronomical twilight
Morn Std   05:49 CLST  08:49 UT   SidTim  178 deg  End obstac; begin standards
Morn -10   06:11 CLST  09:11 UT   SidTim  184 deg  
Sunrise    06:50 CLST  09:50 UT   SidTim  194 deg  
Moon position (deg): RA 178.4, Dec 3.7 Phase: 0.685

Weather Conditions

Observing Plan and Goals for the Night

* Evening standards (using calspec): Yzirg

UT Date = '2017/01/17 00:35'     Local time = 21:35
SDSSJ0000-0000        ra 00:00:00  dec +00:00:00  secz 2.0
C26202_CCD_52         ra 03:32:30  dec -27:46:05  secz 1.0
SDSSJ0320-0000        ra 03:20:00  dec +00:00:00  secz 1.2

* Obstac - SN until fields set, then widefield
* Half Night standards (using calspec) use only 1 (highest airmass): grizY

UT Date = '2017/01/17 04:53'     Local time = 01:53
C26202/HST            ra 03:32:30  dec -27:46:05  secz 1.8
SDSSJ1048-0000        ra 10:48:00  dec +00:00:00  secz 1.6
SDSSJ0843-0000        ra 08:43:00  dec +00:00:00  secz 1.2

When were the last SN fields observed?

(See https://cdcvs.fnal.gov/redmine/projects/desops/wiki/When_were_the_SN_fields_last_observed for database query.)

hex_name    seqtype    last_complete
SN-S2    short    2017-01-03 01:52:21.713952+00:00
SN-X3    long_g    2017-01-03 02:11:54.862339+00:00
SN-S1    short    2017-01-03 02:25:06.638578+00:00
SN-C3    long_g    2017-01-03 02:47:17.842371+00:00
SN-X3    long_z    2017-01-04 01:10:14.231436+00:00
SN-C3    long_z    2017-01-04 02:45:41.910290+00:00
SN-E1    short    2017-01-06 01:31:13.849313+00:00
SN-E2    short    2017-01-07 01:12:38.257603+00:00
SN-C2    short    2017-01-08 01:18:26.476137+00:00
SN-C1    short    2017-01-08 01:37:52.236384+00:00
SN-X3    long_i    2017-01-09 01:30:36.947901+00:00
SN-X3    long_r    2017-01-10 01:10:06.449223+00:00
SN-X1    short    2017-01-10 01:33:11.338565+00:00
SN-X2    short    2017-01-10 01:52:37.085170+00:00
SN-C3    long_r    2017-01-10 02:12:54.050353+00:00
SN-C3    long_i    2017-01-10 02:36:03.919066+00:00

Notes from 4pm meeting
No 4 p.m meeting today. Observers briefly skyped with T. Diehl and E. Nielsen.