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01212017 » History » Version 1

Andres Plazas, 01/21/2017 05:49 PM

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h1. 01212017
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h2. Nightly Observing Plan for MJD 57775 (starting evening of Jan 21, 2017)
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Half night
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h3. Observers
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* Andrés Plazas (Obs 1, RM)
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* Daniel Grün (Obs 2)
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h3. CTIO Staff
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* Hernán Tirado - Obs. Support
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* Rodrigo Hernández- 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 57775, date 20170121, Site CTIO, UT-offset 3 hr
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Current local time 20:47 CLST     UT 23:47     SidTim 03:09
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Sunset     20:54 CLST  23:54 UT   SidTim   49 deg  
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Eve. -10   21:33 CLST  00:33 UT   SidTim   59 deg  Zeropoint; standards
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Eve. -14   21:55 CLST  00:55 UT   SidTim   64 deg  Begin obstac
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Eve. -18   22:18 CLST  01:18 UT   SidTim   70 deg  Last chance standards
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Midpoint   01:55 CLST  04:55 UT   SidTim  124 deg  
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Moonrise   02:48 CLST  05:48 UT   SidTim  138 deg  
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Morn -18   05:32 CLST  08:32 UT   SidTim  178 deg  Begin astronomical twilight
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Morn Std   05:54 CLST  08:54 UT   SidTim  184 deg  End obstac; begin standards
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Morn -10   06:16 CLST  09:16 UT   SidTim  190 deg  
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Sunrise    06:55 CLST  09:55 UT   SidTim  200 deg  
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Moon position (deg): RA 236.8, Dec -14.0 Phase: 0.394
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</pre>
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h3. Weather Conditions
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* Clear night (some haze in the horizon 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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%{color:blue}* Standards today%. 
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<pre>
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UT Date = '2017/01/22 00:33'     Local time = 21:33
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WD0308-565_CCD_35     ra 03:09:48  dec -56:18:49  secz 1.1
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SDSSJ0100-0000        ra 01:00:00  dec +00:00:00  secz 1.6
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SDSSJ0320-0000        ra 03:20:00  dec +00:00:00  secz 1.2
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</pre>
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%{color:blue}* Catch up script (3 exposures)%
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%{color:blue}* Obstac: wide field%
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%{color:blue}* Half Night standards (using calspec) use only 1 (highest airmass): grizY%
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<pre>
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UT Date = '2017/01/22 04:49'     Local time = 01:49
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C26202/HST            ra 03:32:30  dec -27:46:05  secz 2.0
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SDSSJ1048-0000        ra 10:48:00  dec +00:00:00  secz 1.5
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SDSSJ0843-0000        ra 08:43:00  dec +00:00:00  secz 1.2
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</pre>
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h3. When were the last SN fields observed?
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(See https://cdcvs.fnal.gov/redmine/projects/desops/wiki/When_were_the_SN_fields_last_observed for database query.)
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<pre>
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hex_name	seqtype	last_complete
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SN-X3	long_g	2017-01-17 01:00:04.352758+00:00
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SN-S2	short	2017-01-17 01:13:13.073119+00:00
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SN-S1	short	2017-01-17 01:32:37.951050+00:00
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SN-C3	long_g	2017-01-17 01:53:19.313949+00:00
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SN-C3	long_z	2017-01-17 02:06:27.103965+00:00
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SN-C1	short	2017-01-17 03:13:47.314962+00:00
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SN-C2	short	2017-01-17 03:33:12.413512+00:00
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SN-X3	long_z	2017-01-18 00:57:06.761183+00:00
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SN-C3	long_r	2017-01-18 02:05:15.138597+00:00
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SN-C3	long_i	2017-01-18 02:28:19.432806+00:00
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SN-E1	short	2017-01-19 00:57:00.850348+00:00
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SN-X3	long_i	2017-01-19 01:17:53.593385+00:00
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SN-X2	short	2017-01-19 01:51:40.713325+00:00
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SN-E2	short	2017-01-20 01:06:48.162738+00:00
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SN-X1	short	2017-01-20 01:27:35.887735+00:00
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SN-X3	long_r	2017-01-20 01:46:55.771464+00:00
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</pre>
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h3. Notes from 4pm meeting
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No 4 p.m meeting.