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12282016 » History » Version 4

Douglas Tucker, 12/28/2016 01:33 PM

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h1. 12282016
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h2. Nightly Observing Plan for MJD 57751 (starting evening of Dec 28, 2016)
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Half night
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h3. Observers
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* Douglas Tucker (Obs 1, RM)
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* Sahar Allam (Obs 2)
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h3. CTIO Staff
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* Manuel-  Obs. Support
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* Claudio Aguilera - Operator
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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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<pre>
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mjd 57751, date 20161228, Site CTIO, UT-offset 3 hr
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Current local time 15:52 CLST     UT 18:52     SidTim 20:41
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Sunset     20:55 CLST  23:55 UT   SidTim   26 deg
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Eve. -10   21:36 CLST  00:36 UT   SidTim   36 deg  Zeropoint; standards
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Eve. -14   21:59 CLST  00:59 UT   SidTim   42 deg  Begin obstac
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Eve. -18   22:23 CLST  01:23 UT   SidTim   48 deg  Last chance standards
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Start standards at 04:35 UT
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Midpoint   01:45 CLST  04:45 UT   SidTim   98 deg  TURNOVER
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Morn -18   05:07 CLST  08:07 UT   SidTim  149 deg  Begin astronomical twilight
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Morn Std   05:31 CLST  08:31 UT   SidTim  155 deg  End obstac; begin standards
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Morn -10   05:54 CLST  08:54 UT   SidTim  161 deg
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Sunrise    06:35 CLST  09:35 UT   SidTim  171 deg
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Moon position (deg): RA 277.3, Dec -18.3 Phase: 0.025
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</pre>
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h3. Weather Conditions
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* Clear in the afternoon. 
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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 and Goals for the Night
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* Evening standards (using calspec): Yzrig
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<pre>
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UT Date = '2016/12/29 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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Feige110_CCD_52       ra 23:19:58  dec -05:04:57  secz 1.6
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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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* Obstac (wide field)
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* Half Night standards (using calspec) use only 1 (highest airmass): grizY
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<pre>
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UT Date = '2016/12/29 04:45'     Local time = 01:45
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SDSSJ0958-0010        ra 09:58:00  dec -00:10:00  secz 1.8
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SDSSJ0933-0005        ra 09:33:00  dec -00:05:00  secz 1.6
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MaxVis                ra 06:30:00  dec -58:45:00  secz 1.1
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</pre>