Night Report 2015-02-18

Observers : Laurent Le Guillou, Sylvain Baumont, Ayan Mitra

Support team : Nicolas Chotard, Pierre-François Leget

TAT : L. Galbany, M. Fraser

We did only follow-up observations with EFOSC.

Clear sky, stable wind 5m/s, 70% to 30% humidity.

Photometric night.

(times are in UT)

CALIBRATIONS :

 - Evening : EFOSC_bias, EFOSC_FlatSpec, EFOSC_SpecArc

   - 23:50 : EFOSC_SkyFlat grz

 - Morning : EFOSC_SkyFlat UBVRi

SCIENCE OBSERVATIONS :

--- EFOSC ---

 - 00:25  SN2013hx Follow-up, 15x200s i dithered

        Bright sky background, airmass 1.55-1.85, seeing 0.8-1". 

 - 01:35  image analysis

 - 01:50  Photometric Standard Field RU152, UBVRigrz

        59% humidity, temperature 12.7º, airmass 1.13, seeing 1.06"

 - 02:10  OGLE-2014-SN-073 Follow-up, 3x300s V, 2x250s Ri

 - 02:50  Photometric Standard Field RU149, UBVRigrz

        70% humidity, temperature 11.6º, airmass 1.155, seeing 1.14"

 - 03:05  ASASSN-14hu Follow-up, 3x2700s Gr13

 - 05:28  STD L745a, Gr11 Gr13 Gr16, airmass 1.37

 - 05:45  PSNJ10544216-2104138 Follow-up, 2x1800s Gr11 & Gr16

 - 08:00  STD LTT3864, Gr11 Gr13 Gr16, airmass 1.21

 - 08:16  PSNJ14095513+1731556 Follow-up, 2x1500s Gr11 & Gr16

 - 09:20  STD EG274, Gr11 Gr13 Gr16

CONCLUSIONS :

 Follow-up of

 * SN2013hx

 * OGLE-2014-SN-073

 * ASASSN-14hu

 * PSNJ10544216-2104138

 * PSNJ14095513+1731556