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Night Report 2019-08-21

Night Report

Observers:
Morgan Fraser, Seán Brennan

Support Team: Ihanec, Gromadzki
TAT: Steve Williams, Claudia Gutierrez, Thomas Wevers

Calibrations:
Evening skyflats grz



Comments:
Thin clouds for most of night
observer mistake with hcc observations - observations with different slit sizes
GW alert @ ~1.45am
Seeing very erratic throughout the night

Weather:
start of night: Thin clouds - horrible seeing ~2" - low wind speed ~5m/s
middle of night: Thin clouds seeing jumping between 1.2 and 1.8 - low wind speed ~1.5m/s
end of night: clear, goo seeing ~1.1 - low wind speed ~2m/s

GW alert @ 1.36
GW event retracted @ 3.30

 Time [UT] Name Setup SeeingComments
 23:03   
 SN2019ltw    Gr#13 1.2 
 23.29 SN0291kcy Gr#11 1.3 
 00.34 SN2019gfm griz     1.9 
 01:25 SN2019cqc Gr#13 slit 1.5
 2.34 increased slit size- DIMM value was constant (2.34), might have been frozen
 02.25 SN2019cwt Gr#13 slit 1.5 2.12 Aborted due to Gw
 02:45 SN2019fmrGr#13 slit 1.5 1.81 
 03:13 SN2019hccGr#13
slit1.5
 1.81 *
 04:17     AT2019nzx Gr#13
slit1.5
 1.5 Type Ia near max
 04:35     AT2019nyr     Gr#13 1.3 Type Ia near max
 04:57 SN2019hcc Gr#13 1.27*
 05:35 SN2019hcc Gr#13 1.04* Observer mistake  - Gr#13 done with 2*slit1 and 1* slit1.5
 06:30     SN2019muj Gr#11 and Gr#13     1.59 
 07:40 AT2019obh Gr#131.5    
 Object not seen in Acq image [90s] - bad seeing 1.8"
 07.44 SN2019jyw     Gr#13 1.9     
 08:17     SN2019fcg Gr#13     1.12 
 08.50 SN2019obh r 1.05 * Aborted early target visible at 200s
 09.06     SN2019obh Gr#11 1.06  1800s spectrum - type iib
 09:43         SN2019mry     Gr20     1.02 




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