Night Report 2015-08-14

Observers: Erkki Kankare, Chris Ashall, Simon Prentice

Support team: Cosimo Inserra

TAT on duty: Joe Anderson, Cosimo Inserra

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Subrun.night: 2.3

Instruments: EFOSC2, SOFI

*** WEATHER CONDITIONS

Night Humidity Wind speed Sky

beg. 45% 6 m/s clear

mid. 21% 12.5 m/s clear

end. 16% 16m/s clear

*** CALIBRATIONS

EFOSC2 bias

EFOSC2 spectroscopic arcs (evening and morning)

SOFI flat JHK

EFOSC2 Sky flats BR

*** LOG

Target Type UT Filter/Grism Slit Seeing Airmass Grade (A/B/C) Comments

ASASSN-14lp Follow up 23.40 Gr13 1.5 2.2 2.2 B

EG274 Standard 00.13 Gr11/13/16 1.0/1.5 2 1.0 B

(Pointing restriction, wind ~ 12 m/s)

LSQ15adm Follow up 00.30 Gr11/16 1.5 2.5 1.2 B

Switched to SOFI 03.50

LSQ15adm Follow up 04.10 JHK - 1.5 1.2 A

ASASSN-15hy Follow up 05.30 JHK - 1.2 1.4 A

PSNJ23002463+0137368 Follow up 06.00 JHK - 1.4 1.2 A

PSNJ23002463+0137368 Follow up 06.20 BG 1.0 1.0 1.2

HIP115087 Telluric Standard 07.20 BGRG 1.0 1.0 1.2 A

PSNJ23002463+0137368 Follow up 07.30 RG 1.0 1.1 1.3 B/C 5/8 exposures finished

Closed NTT (high wind) 08.37