08172015¶
Nightly Observing Plan for MJD 57251 (starting evening of Aug 17, 2015)¶
DES has the second half of the night. Switchover occurs at the midpoint of the night.
Observers¶
- Michael Baumer (observer 1)
- Jim Annis (observer 2, run manager)
CTIO Staff¶
- Hernan Tirado - Obs, Support
- Alberto Alvarez - operator
- Staff calendar
Almanac¶
mjd 57252, date 20150817, Site CTIO, UT-offset 3 hr Current local time 16:45 CLST UT 19:45 SidTim 12:46 Sunset 19:26 CLST 22:26 UT SidTim 232 deg Eve. -10 20:02 CLST 23:02 UT SidTim 241 deg Zeropoint; standards Eve. -14 20:21 CLST 23:21 UT SidTim 246 deg Begin obstac Eve. -18 20:39 CLST 23:39 UT SidTim 250 deg Last chance standards Moonset 22:08 CLST 01:08 UT SidTim 272 deg Midpoint 01:47 CLST 04:47 UT SidTim 327 deg Morn -18 06:54 CLST 09:54 UT SidTim 44 deg Begin astronomical twilight Morn Std 07:12 CLST 10:12 UT SidTim 48 deg End obstac; begin standards Morn -10 07:32 CLST 10:32 UT SidTim 53 deg Sunrise 08:07 CLST 11:07 UT SidTim 62 deg Moon position (deg): RA 183.4, Dec -0.9 Phase: 0.188
Weather Conditions¶
- Clear, high humidity to start dropping though the night, no winds
- Detailed hourly forecast | Satelite maps
Observing Plan and Goals for the Night¶
- Handover from community team
- midnight standards [grizY ordered scripts]
UT Date = '2015/08/18 04:47' Local time = 01:47 SDSSJ0100-0000 ra 01:00:00 dec +00:00:00 secz 1.7 SDSSJ0000-0000 ra 00:00:00 dec +00:00:00 secz 1.4 SDSSJ2140-0000 ra 21:40:00 dec +00:00:00 secz 1.2
- Obstac
- morning standards [grizY ordered scripts]
UT Date = '2015/08/18 10:12' Local time = 07:12 SDSSJ0000-0000 ra 00:00:00 dec +00:00:00 secz 1.7 SDSSJ0100-0000 ra 01:00:00 dec +00:00:00 secz 1.4 SDSSJ0320-0000 ra 03:20:00 dec +00:00:00 secz 1.2
- Watch for opportunity to do ptc scam. "Opportunity"= dome closed at night.
Useful links¶
Nightsum | CTIO Night Report | DECam Logbook
Tololo Environmental Web Page | Detailed hourly forecast | Satelite maps