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Night report 2021-07-29

Observers: Sara Muñoz, María Delgado, Raúl González, Lluís Galbany
Support: Ben Gompertz, Evan Ridley, Matt Nicholl
TAT:  Claudia GutiérrezNancy Elias-Rosa, Phil Wiseman

EFOSC Calibrations:
Bias, calib
Evening: Skyflats UBVRi
Morning: Skyflats grz


Weather:
Start: humidity ~7%, wind ~8.5m/s, seeing ~1.44"
Middle:
humidity ~6%, wind ~10.0m/s, seeing ~1.48"
End: humidity ~5%, wind ~13.9m/s, seeing ~1.23"

Comments (times in UT):
00:10UT Run aborted. EFOSC electronic failure. Solved at 00:29UT aprox.
04:51UT Run aborted. The telescope closed due to the wind (13.1m/s). Restared at 06:20UT.
The final standar was taken from the OT system because there was no standard available in the P2 master folder: S034822.17_LLT1788_13.16_F




 UTTarget 
 TypeSetup SlitExposure (s)Airmass
Seeing 
Notes
EFOSC2
        









23:16
AT2021tvvClassification
gr13
1.0''
1x900s1.68
1.44

23:37
AT2021ugu
Classification
gr13
1.0''
1x900s
1.37
1.44

00:29LTT7379 std       1.0''    
1.17    1.59
00:47SN2021fxyFollow-upgr131.0''2x2700s1.461.63
02:26
AT2021tix
Classification
gr13
1.0''
1x600s
1.75
2.01

02:42
AT2021ucw
Classificationgr131.0''
1x900s1.66
2.01

03:08
AT2021sgl
Classificationgr131.5''
1x900s1.40
2.01
The slit was changed to 1.5'' due to the seeing.
03:31
ZTF21abothvq
Classificationgr131.5''
1x600s1.21
2.16

03:48
AT2021tti
Classificationgr131.0''
1x900s1.16
1.70
We wanted the slit to change to 1.5'' but the P2 was not updated well.
04:09
eg131
STD

1''-1.5''

1.08
1.48

04:32
AT2021tqt
Classificationgr131.5''
1x900s1.61
1.53
After this target the telescope had to close due to the wind.
06:27
AT2021tywClassificationgr131.0''
1x600s1.43
1.14
Restarted the observations.
06:45
AT2021tpxClassificationgr131.0''
1x900s1.24
1.10

07:08
AT2021tgbClassificationgr131.0''1x300s1.371.03 
07:23
AT2021toqClassification
gr13 1.0''1x900s 1.03 1.06 
07:47SN2019qem
Follow-up
gr13 1.0''1x2700s
 2.46 1.31 
08:40AT2021udsFollow-upgr11+gr16  (z photometry) 1.0''1x1500s each (1x10s)
 1.20 0.98 
09:49
 LTT1788 STD  1.0''  1.14 1.66 
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