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09122015

Nightly Observing Plan for MJD 57277 (starting evening of Sep 12, 2015)

DES has the full night.

Observers

  • Devon Hollowood (observer 1)
  • Ofer Lahav (observer 2)
  • Josh Frieman (run manager)

CTIO Staff

  • Manuel Hernandez - Obs. Support
  • Alberto Alvarez - operator
  • Staff calendar

Almanac

mjd 57278, date 20150912, Site CTIO, UT-offset 3 hr
Current local time 15:18 CLST     UT 18:18     SidTim 13:01
Sunset     19:40 CLST  22:40 UT   SidTim  261 deg  
Eve. -10   20:15 CLST  23:15 UT   SidTim  270 deg  Zeropoint; standards
Eve. -14   20:34 CLST  23:34 UT   SidTim  274 deg  Begin obstac
Eve. -18   20:52 CLST  23:52 UT   SidTim  279 deg  Last chance standards
Midpoint   01:39 CLST  04:39 UT   SidTim  350 deg  
Morn -18   06:25 CLST  09:25 UT   SidTim   62 deg  Begin astronomical twilight
Morn Std   06:42 CLST  09:42 UT   SidTim   66 deg  End obstac; begin standards
Morn -10   07:02 CLST  10:02 UT   SidTim   72 deg  
Sunrise    07:37 CLST  10:37 UT   SidTim   80 deg  
Moon position (deg): RA 169.6, Dec 3.7 Phase: 0.022

Weather Conditions

Observing Plan and Goals for the Night

  • DES 20:15 CLT to 07:02 CLT
  • Beginning of night standards [Yzirg ordered scripts]
UT Date = '2015/09/12 23:15'     Local time = 20:15
SDSSJ2140-0000        ra 21:40:00  dec +00:00:00  secz 2.0
E6-A                  ra 14:45:33  dec -45:15:34  secz 1.3
E8-A                  ra 20:07:22  dec -44:37:01  secz 1.1
  • Obstac. Looks like SN fields C3-g, X3-g, X3-r on deadman.
  • May do ToO observation of potentially hazardous asteroid in morning twilight
  • morning standards (if clear) [grizY ordered scripts]
UT Date = '2015/09/13 09:42'     Local time = 06:42
SDSSJ0100-0000        ra 01:00:00  dec +00:00:00  secz 1.9
SDSSJ0200-0000        ra 02:00:00  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 | Satelite maps

Notes from the 4PM Meeting

New (under development) Tololo environmental page appears to show different DIMM data from the old (current) page. DECam Telemetry captures DIMM seeing in accord with the current environmental page.

DESDM & DQ
----------

Other Notes

  • When were the SN fields last observered?
    hex_name    seqtype    last_complete
    SN-X3    long_r    2015-09-03 05:41:23.293242+00:00
    SN-C3    long_g    2015-09-03 06:05:22.904042+00:00
    SN-X3    long_g    2015-09-04 05:27:04.768474+00:00
    SN-E2    short    2015-09-08 07:31:41.142605+00:00
    SN-X2    short    2015-09-08 07:53:01.095089+00:00
    SN-X3    long_i    2015-09-08 08:12:34.924511+00:00
    SN-X3    long_z    2015-09-08 08:46:41.064389+00:00
    SN-C3    long_r    2015-09-11 07:46:29.777327+00:00
    SN-C1    short    2015-09-11 08:09:38.879227+00:00
    SN-X1    short    2015-09-11 08:50:07.829603+00:00
    SN-S1    short    2015-09-11 09:09:54.635815+00:00
    SN-E1    short    2015-09-12 02:00:46.752304+00:00
    SN-S2    short    2015-09-12 07:22:38.092039+00:00
    SN-C3    long_z    2015-09-12 07:43:10.006001+00:00
    SN-C3    long_i    2015-09-12 08:50:47.646672+00:00
    SN-C2    short    2015-09-12 09:25:00.543599+00:00