01182015¶

Nightly Observing Plan for MJD 57041 (starting evening of Jan 18, 2015)¶

DES has the first half of the night. Switchover occurs at the midpoint of the night, which is at 01:54 CLST (04:54UT).

Observers¶

• Elisabeth Krause (observer 1)
• David Gerdes (run manager/observer 2)

CTIO Staff¶

• Manuel Hernandez
• Humerto Orrego

Almanac¶

mjd 57041, date 20150118, Site CTIO, UT-offset 3 hr
Current local time 11:31 CLST     UT 14:31     SidTim 17:40
Sunset     20:55 CLST  23:55 UT   SidTim   46 deg  
Eve. -10   21:35 CLST  00:35 UT   SidTim   56 deg  Zeropoint; standards
Eve. -14   21:57 CLST  00:57 UT   SidTim   61 deg  Begin obstac
Eve. -18   22:20 CLST  01:20 UT   SidTim   67 deg  Last chance standards
Midpoint   01:54 CLST  04:54 UT   SidTim  121 deg  
Morn -18   05:27 CLST  08:27 UT   SidTim  174 deg  Begin astronomical twilight
Morn Std   05:50 CLST  08:50 UT   SidTim  180 deg  End obstac; begin standards
Moonrise   06:00 CLST  09:00 UT   SidTim  182 deg  
Morn -10   06:12 CLST  09:12 UT   SidTim  185 deg  
Sunrise    06:52 CLST  09:52 UT   SidTim  195 deg  
Moon position (deg): RA 280.9, Dec -17.3 Phase: 0.133

Weather Conditions¶

Clear and hot. Moderate wind (10mph).

Observing Plan and Goals for the Night¶

• PTC before afternoon calibrations
• standards
• Eric's script for equatorial fields for first ~half hour, provided t_eff>0.3 for first few i,z-band exposures.
• Then Obstac. C3-g on deadman, then wide survey all shift if seeing permits.
• middle-of-night standard, then handover to community team