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2021-03-04

Observers:  Santiago González, Shane Moran, João Silvestre
Support: Hanin Kuncarayakti, Tom Reynolds
TAT: Lluís Galbany, Janet Chen, Shubham Srivastav

SOFI Calibrations: JHK flats

Weather:
Start: humidity 63.0%, wind 4.5 m/s, seeing 1.31
Middle: humidity 64.0%, wind 4.1 m/s, seeing 1.22
End: humidity 58.0%, wind 5.2 m/s, seeing 2.04

Comments:
High humidity and some clouds at night start.
Clouds dispersed at ~01:45.
Clouds again at ~02:20.
Skipped AM 0702-601N due to problem with the rotator at that quadrant.
Bump in seeing at ~06:15.
OBs have been going smoothly and faster than expected. This lead us to obtain JHK for SN2019esa at the end of the night.
Jump in seeing at ~07:50, OBs briefly paused for on site evaluation.
Confirmed seeing over 3. Data for SN2019esa at K and J will be of poorer quality.
Clouds dispersed at ~08:25.
Seeing dropping back since ~08:40.



Started with SOFI

 UT Target TypeFilter Exposure Airmass Seeing Notes
23:53
SN2021ckg
Follow-upJH2520s
1.3
1.5
clouds
00:42
SN2021dae
Follow-up
JH2520s1.3
1.4
clouds
01:32
SN2020oczFollow-up
JHK1480s
1.3
1.47
clouds
02:05
SN2021dovFollow-up
JH204s
1.2
1.19

02:28
SN2019qemFollow-upJHK1480s1.41.22
clouds
02:58
SN2021cbpFollow-upJH2520s1.4
1.24
clouds
03:48
SN2021dduFollow-upJH2520s1.5
1.40
clouds
04:37SN2021cynFollow-up JH 2520s1.41.17clouds
05:25
SN2021bnwFollow-up
JHK3960s1.5
1.09
clouds
06:43
SN2021devFollow-up JH2520s1.4
1.5
clouds
07:33
SN2019esaFollow-upH720s
2.11.76clouds
07:54 SN2019esaFollow-upK
320s
2.1
3.3
clouds, sudden seeing jump. confirmed on site
08:05 SN2019esaFollow-up
J2160s2.3
3.09
clouds, seeing started at 3.09 and ended at 2.02
08:49
  SN2021damFollow-upJH2520s1.41.85
clouds
Comments