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Ting Li, 12/28/2018 01:20 PM
12282018¶
Nightly Observing Plan for MJD 58481 (starting the evening of Dec 28, 2018)¶
Observers¶
- Alexandra Amon (Observer 1)
- Antonino Troja (Observer 2)
- Ting Li (Run Manager)
CTIO Staff¶
- Manuel Hernandez, Alberto Alvarez
- Staff calendar
Almanac¶
from kentools ephem
mjd 58481, date 20181228, Site CTIO, UT-offset 3 hr Current local time 15:41 CLST UT 18:41 SidTim 20:28 Event Local-Time Greenwich Sidereal-Time Sunset 20:55 CLST 23:55 UT 01:41 25 deg Eve. -10 21:36 CLST 00:36 UT 02:22 36 deg Zeropoint; standards Eve. -14 21:59 CLST 00:59 UT 02:45 41 deg Begin obstac Eve. -18 22:23 CLST 01:23 UT 03:09 47 deg Last chance standards Midpoint 01:45 CLST 04:45 UT 06:31 98 deg Moonrise 01:45 CLST 04:45 UT 06:31 98 deg Morn -18 05:07 CLST 08:07 UT 09:53 148 deg Begin astronomical twilight Morn -14 05:31 CLST 08:31 UT 10:17 154 deg End obstac; begin standards Morn -10 05:54 CLST 08:54 UT 10:40 160 deg Sunrise 06:35 CLST 09:35 UT 11:21 170 deg Moon position (deg): RA 187.2, Dec 3.1 Phase: 0.521
Weather Conditions¶
- 4pm local time, some thin layer clouds in the North with fast moving, wind speed 9.5 mph, humidity 41%
- Detailed hourly forecast | Satellite maps
Observing Plan¶
- DES Half night
- Evening standards
UT Date = '2018/12/29 00:36' Local time = 21:36 SDSSJ2300-0000 ra 23:00:00 dec +00:00:00 secz 1.8 SDSSJ0000-0000 ra 00:00:00 dec +00:00:00 secz 1.4 SDSSJ0200-0000 ra 02:00:00 dec +00:00:00 secz 1.2
- run obstac
- one last g-band exposure left, take at 01:23 UT.
- locate at /usr/remote/user/DECamObserver/ExposureScripts/DES_scripts/last.json
- if teff < 0.3 from the last.json and seeing improves then do last g-band exposure again before 02:10 UT
- at 2:15 UT (if i-band seeing < 1.1"), load these scripts:
- MACSJ0416_g_1.json
- MACSJ0416_u_1.json
- MACSJ0416_r_2.json
- scripts are located at /usr/remote/user/DECamObserver/ExposureScripts/DES_script/
- if seeing > 1.6", run the narrow-band script SN-E2-N964.json
- run obstac
- One Midpoint standards
UT Date = '2018/12/29 04:41' Local time = 01:41 MaxVis ra 06:30:00 dec -58:45:00 secz 1.1
Useful links¶
Nightsum | CTIO Night Report | DECam Logbook
Tololo Environmental Web Page | Detailed hourly forecast | Satellite maps