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Night report page - 20130418


Observers: Stefan Taubenberger, Stephan Hachinger
Data reduction team: Nancy Elias-Rosa, Antonia Morales-Garoffolo

2nd night of 3rd subrun (only EFOSC2).
All observations turned out to be good quality unless noted otherwise (**).
All acqusitions for spectra with NarrowSlit template, slit stable at y=992.
Note: airmass values are estimates based on visibility chart (exact vals pls see files) -- this has been the same in our other night reports.

initial weather cond:          humidity ~30%, wind speed ~4km/s, sky clear
middle-of-night weather cond:
  humidity ~20%, wind speed ~3km/s, sky clear
late-night weather cond:       humidity <~20%, wind speed ~5km/s, sky clear 

~UT 20:00   calibration OBs 
** only small part excecuted (spec. dome flats)
   b/c of instrument maintainance works

UT 22:40    skyflats UBVR
* i band out of time

UT 23:05    specpstd  HD 98161 (unpol)           airmass=1.5    gr13 specpol
* observed in twilight

--- image analysis ---

--- seeing image 0.8'' ---

UT 23:30    std.      LTT3864                    airmass=1.3    gr11/16/13[x2]  sl 1.0''

UT 23:45    followup  OGLE-2012-SN-006           airmass=1.9    

--- seeing image 1.5'' (OGLE-2012), 1.0'' (OGLE-2013) ---

UT 00:05    followup  OGLE-2013-SN-016           airmass=1.6    UBVRi 
* spectroscopy: out of time for this night, sorry.

--- seeing DIMM 0.5'' ---

UT 00:35    followup  SN2013ak                   airmass=1.1    gr11/16         sl 1.0''

--- seeing image 0.9'' ---

UT 01:15    followup  SN2013am                   airmass=1.4    gr13            sl 1.0''
* photometry: out of time for this night, sorry.

--- seeing DIMM 0.6'', image 0.9'' ---

UT 01:45    followup  SSS130304:114445-203141    airmass=1.0    gr11/16         sl 1.0''

--- seeing image 0.9'' ---

UT 03:50    followup  SN2013bb (PSNJ14121396+..) airmass=1.5    gr11/16         sl 1.0''

--- seeing image 1.0-1.1'', DIMM 0.5-0.6'' (some excursions) ---

UT 05:50    followup  CSS130403:150213+103846    airmass=1.4    gr11            sl 1.0''
** Lost guide star -- no signal on 2nd exposure gr11. Aborted exposures. Since
   also first 
gr11 spec showed low S/N, took two more gr11 specs and NO gr16. 
   Sorry.

UT 08:30    followup  SN2012ca                   airmass=1.1    gr13            sl 1.0''

--- seeing image 1.5, DIMM 0.7'' ---

UT 09:40    followup  SN2013F                    airmass=1.9    BVRi
** target unfortunately ~invisible and on bad column in B (B not useful)
** target first on bad col. in V, V repeated
* observed into twilight

--- seeing image 1.2 ---

UT 10:15    std.      EG274                      airmass=1.0    gr11/16/13[x2]  sl 1.0''
* observed in twilight

UT 10:25    specpstd  HD150474 (unpol)           airmass=1.1    gr13 specpol
* observed in twilight

UT 10:35    specpstd  HD131923 (unpol)           airmass=1.4    gr13 specpol
* observed in twilight

UT 10:45    arclamps

UT 11:00    PESSTO_bias executed; end of night


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