Project

General

Profile

10312017

Nightly Observing Plan for MJD 58058 (starting evening of Tuesday, Oct 31, 2017)

Full night for DES

Observers

to get the names, check the shift table

  • Yuanyuan Zhang (observer 1)
  • Gourav Khullar (observer 2, run manager)

CTIO Staff

To get the names, check the "staff calendar":* Staff calendar

  • Claudio Aguilera - Operator

Almanac

mjd 58058, date 20171031, Site CTIO, UT-offset 3 hr
Current local time 15:57 CLST     UT 18:57     SidTim 16:56
Event      Local-Time  Greenwich  Sidereal-Time
Sunset     20:12 CLST  23:12 UT   21:11  318 deg  
Eve. -10   20:49 CLST  23:49 UT   21:48  327 deg  Zeropoint; standards
Eve. -14   21:10 CLST  00:10 UT   22:08  332 deg  Begin obstac
Eve. -18   21:31 CLST  00:31 UT   22:29  337 deg  Last chance standards
Midpoint   01:26 CLST  04:26 UT   02:25   36 deg  
Moonset    05:13 CLST  08:13 UT   06:12   93 deg  
Morn -18   05:22 CLST  08:22 UT   06:20   95 deg  Begin astronomical twilight
Morn -14   05:43 CLST  08:43 UT   06:41  100 deg  End obstac; begin standards
Morn -10   06:03 CLST  09:03 UT   07:02  106 deg  
Sunrise    06:40 CLST  09:40 UT   07:39  115 deg  
Moon position (deg): RA 359.5, Dec -2.9 Phase: 0.787

forgotten how to do this? Use ephem with kentools



	

Weather Conditions

as predicted by hourly forecast

  • clouds: no clouds -- clouds on the horizon.
  • humidity: 50%
  • Temp: 6-10 celsius

as predicted by Steve Kent at 4pm meeting via some voo-doo magic....

Observing Plan and Goals for the Night

  • Evening standards (Yzirgu)
  • ObsTac - wide field
  • ObsTac - SN fields
  • low-z SN obs - manual script (5 mins before -14, obstac(SN) > low-z SN > morning stds)
  • Morning standards (ugrizY)

forgotten how to do this? Use standards with kentools

  • Evening standards
UT Date = '2017/10/31 23:49'     Local time = 20:49
E1-A                  ra 01:24:50  dec -44:33:40  secz 1.4
SDSSJ2140-0000        ra 21:40:00  dec +00:00:00  secz 1.2
  • Morning standards
UT Date = '2017/11/01 08:43'     Local time = 05:43
SDSSJ0320-0000        ra 03:20:00  dec +00:00:00  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

When were the last SN fields observed?

forgotten how to do this? Instructions here

hex_name seqtype last_complete
SN-E1 short 2017-10-31 00:18:56.536824+00:00
SN-E2 short 2017-10-31 00:38:18.505232+00:00
SN-X1 short 2017-10-31 01:35:32.809613+00:00
SN-X2 short 2017-10-31 01:54:56.934992+00:00
SN-X3 long_r 2017-10-31 02:14:28.834962+00:00
SN-X3 long_i 2017-10-31 02:37:27.942938+00:00
SN-X3 long_z 2017-10-31 03:11:25.400138+00:00
SN-X3 long_g 2017-10-31 04:18:40.848427+00:00
SN-S2 short 2017-10-31 04:31:59.408031+00:00
SN-S1 short 2017-10-31 04:51:24.245870+00:00
SN-C3 long_g 2017-10-31 05:11:48.701854+00:00
SN-C3 long_r 2017-10-31 05:24:46.506389+00:00
SN-C3 long_z 2017-10-31 05:48:06.459581+00:00
SN-C3 long_i 2017-10-31 06:55:39.798958+00:00
SN-C1 short 2017-10-31 07:29:41.808320+00:00
SN-C2 short 2017-10-31 07:49:09.608940+00:00

Useful links

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