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Observers: Heather Campbell, Nadejda Blagorodnova
Support team: Morgan Fraser
TAT: Joe Anderson, Maria Teresa Botticella
Weather:
Weather:
Moon down during all night
Humidity 40%, wind below 5m/s all night, some low clouds in the horizon non-photometric
Seeing 0.5" at the beginning of the night, subsequently around 1".
Observations:
Observations:
23.45 Start of twilight
BR skyflats
00:03 L745a - spectrophotometric standard
00:34 LSQ12dlf
8x100s V-band. Seeing < 1", but images have between 1.1" and 1.4" because of airmass ~2.5
01:11 Image Analysis
Seeing around 0.8"
01:28 LSQ13ddu
12x200s B-band
02:09 OGLE-2014-SN-022
300s Gr#13 classification - Blue continuum. Narrow p-cygni Balmer lines consistent with redshift z=0.024. Approximate expansion velocity: -3114km/s.
02:15 OGLE-2014-SN-020
1500s Gr#13 classification - Looks like SN II at maximum, z=0.08. Approximate expansion velocity: -12904km/s
02:42 LSQ14xi
600s Gr#13 classification - SN Ia, -5d, z=0.05
02:59 LSQ14mo
3x1800s Gr#13
04:42 L745a - spectrophotometric standard
04:56 SN2013dg
12x200s in r and 12x200s in i. Seeing 0.8" - 1.2"
07:24 SN2013bb
4x300s in g. Seeing 0.8" - 1.0"
07:48 PS1-14on
900s Gr#13 classification - SN Ia at z=0.06, around max
08:05 PS1-14nv
600s Gr#13 classification - SN Ia at z=0.05, around max
08:20 OGLE-2014-SN-023
900s Gr#13 classification - Not clear. Emission at 8400A. Seems to be p-cygni, but is not sure. In case of H alfa, the object would be at z=0.28.
08:50 PS1-14op
Taken 2 aquisition images with 20 and 40s. The target was not visible, so we gave up.
08:56 EG274 - spectrophotometric standard
09:10 Twilight
09:25 LSQ14tc
600s Gr#13 classification- SN Ia z=0.05 around max
09:37 CSS140222-141104+253050
600s Gr#13 classification - SNID matches with SN Ib at z=0.04 or SN IIb post max at z=0.02.
09:56 UVi morning sky flats
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