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12282018 » History » Version 2

Ting Li, 12/28/2018 01:17 PM

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h1. 12282018
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h2. Nightly Observing Plan for MJD 58481 (starting the evening of Dec 28, 2018)
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h3. Observers
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* Alexandra Amon (Observer 1)
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* Antonino Troja (Observer 2)
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* Ting Li (Run Manager)
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h3. CTIO Staff
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* Manuel Hernandez, Alberto Alvarez
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* "Staff calendar":http://www.ctio.noao.edu/cgi-bin/Calcium38.pl?Op=ShowIt&CalendarName=4m_Observing_Schedule
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h3. Almanac
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from kentools ephem
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<pre>
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mjd 58481, date 20181228, Site CTIO, UT-offset 3 hr
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Current local time 15:41 CLST     UT 18:41     SidTim 20:28
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Event      Local-Time  Greenwich  Sidereal-Time
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Sunset     20:55 CLST  23:55 UT   01:41   25 deg
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Eve. -10   21:36 CLST  00:36 UT   02:22   36 deg  Zeropoint; standards
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Eve. -14   21:59 CLST  00:59 UT   02:45   41 deg  Begin obstac
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Eve. -18   22:23 CLST  01:23 UT   03:09   47 deg  Last chance standards
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Midpoint   01:45 CLST  04:45 UT   06:31   98 deg
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Moonrise   01:45 CLST  04:45 UT   06:31   98 deg
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Morn -18   05:07 CLST  08:07 UT   09:53  148 deg  Begin astronomical twilight
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Morn -14   05:31 CLST  08:31 UT   10:17  154 deg  End obstac; begin standards
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Morn -10   05:54 CLST  08:54 UT   10:40  160 deg
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Sunrise    06:35 CLST  09:35 UT   11:21  170 deg
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Moon position (deg): RA 187.2, Dec 3.1 Phase: 0.521
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</pre>
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h3. Weather Conditions
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* 4pm local time, some thin layer clouds in the North with fast moving, wind speed 9.5 mph, humidity 41%
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* "Detailed hourly forecast":http://www.yr.no/place/Chile/Coquimbo/Observatorio_Astron%C3%B3mico_Cerro_Tololo/hour_by_hour_detailed.html | "Satellite maps":http://139.229.115.231/web/world_sat.php
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h3. Observing Plan
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* DES Half night
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* Evening standards
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<pre>
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UT Date = '2018/12/29 00:36'     Local time = 21:36
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SDSSJ2300-0000        ra 23:00:00  dec +00:00:00  secz 1.8
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SDSSJ0000-0000        ra 00:00:00  dec +00:00:00  secz 1.4
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SDSSJ0200-0000        ra 02:00:00  dec +00:00:00  secz 1.2
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</pre>
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* run obstac
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* one last g-band exposure left, take at 01:23 UT.
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** locate at /usr/remote/user/DECamObserver/ExposureScripts/DES_scripts/last.json
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* teff < 0.3 and if seeing improves then do last g-band exposure again 02:10 UT 
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* at 2:15 UT, load these scripts:
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** MACSJ0416_g_1.json
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** MACSJ0416_u_1.json
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** MACSJ0416_r_2.json
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** scripts are located at /usr/remote/user/DECamObserver/ExposureScripts/DES_script/
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* run obstac
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* One Midpoint standards
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<pre>
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UT Date = '2018/12/29 04:41'     Local time = 01:41
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MaxVis                ra 06:30:00  dec -58:45:00  secz 1.1
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</pre>
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h3. Useful links
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"Nightsum":http://des-ops.fnal.gov:8080/nightsum/ | "CTIO Night Report":http://www.ctio.noao.edu/noao/node/add/night-report | "DECam Logbook":http://system1.ctio.noao.edu:8080/ECL/decam/E/index
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"Tololo Environmental Web Page":http://139.229.115.231/web/tololo_frame.html | "Detailed hourly forecast":http://www.yr.no/place/Chile/Coquimbo/Observatorio_Astron%C3%B3mico_Cerro_Tololo/hour_by_hour_detailed.html | "Satellite maps":http://139.229.115.231/web/world_sat.php
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h2. Notes from 4PM Meeting