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12282018 » History » Version 5

Version 4 (Ting Li, 12/28/2018 01:18 PM) → Version 5/6 (Ting Li, 12/28/2018 01:20 PM)

h1. 12282018

h2. Nightly Observing Plan for MJD 58481 (starting the evening of Dec 28, 2018)

h3. Observers

* Alexandra Amon (Observer 1)
* Antonino Troja (Observer 2)
* Ting Li (Run Manager)

h3. CTIO Staff

* Manuel Hernandez, Alberto Alvarez
* "Staff calendar":http://www.ctio.noao.edu/cgi-bin/Calcium38.pl?Op=ShowIt&CalendarName=4m_Observing_Schedule

h3. Almanac

from kentools ephem
<pre>
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
</pre>

h3. 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":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

h3. Observing Plan

* DES Half night

* Evening standards
<pre>
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
</pre>

* 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"), UT, 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
<pre>
UT Date = '2018/12/29 04:41' Local time = 01:41
MaxVis ra 06:30:00 dec -58:45:00 secz 1.1
</pre>

h3. Useful links

"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
"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

h2. Notes from 4PM Meeting