Main page‎ > ‎Observing Runs‎ > ‎Night Reports‎ > ‎

Night report 2017-08-21

Night was not photometric

Observers: Joe Lyman, David Homan
TAT: Morgan Fraser, Giorgos Leloudas
Support team: Giorgos Leloudas

Calibrations: EFOSC: bias, arcs, sky flats (i,R,V, and B partly)
                        SOFI: imaging and spectroscopic

Conditions: Clear start of night, seeing ~.7". Increased seeing to ~1.2" at 2:00, clouds moving in from the West. Around 4:00: ~0.5", rising back to 1.5" about 6:00.

(All times in UT)
----------------------------
Sunset:              22:29
Twilight (dusk): 23:42
Twilight (dawn):09:50
Sunrise:             11:02
----------------------------

UT        Target             Type                    Comment
==============================================================================================
22:42   HIP09557       Telluric
23:10   PS17egl          Follow Up                SOFI BG; some time lost on acquisition
01:05   Hip100233     Telluric
01:15   EG274             Flux Standard
01:25   -                        -                                Switch to EFOSC + image analysis
01:55   ATLAS17jqo    Classification          g13, 1"; Blue continuum, Halpha at z=0, apparent feature at 6260AA due to cosmic
02:15   ATLAS17jqk    Classification          g13, 1"; Blue continuum, possibly galactic
02:35   AT2017fwm    Follow Up g13 (1200s), 1"
03:05   AT2017gah     Follow Up g11+16, 1"; aborted and restarted after erroneous acquisition (03:15)
04:00   ATLAS17jqb    Classification          g13, 1"; Blue continuum, Balmer emission lines at z=0
04:20   ATLAS17jqj     Classification          g13, 1"; type Ia SN, around peak
04:35   PS17ecn          Classification          g13, 1"; type Ib SN, timing uncertain; target brighter than light curve would suggest
05:00   PS17eca          Classification          Non detection
05:00   PS17eal          Classification           Non detection
05:23   PS17ebd         Classification          g13, 1"; AGN (around type 1.5) at z=0.355
05:54   AT2017gax     Follow Up                g11+16, 1"
06:25   AT2017gax     Follow Up                R imaging; seeing too high
06:40   AT2016jbu      Follow Up                g11 (1800s) 1.5", and g16 (2x1800s) 1.5"
08:45   PS17ebj           Classification          g13, 1"; type Ia SN, post peak
09:08   AT2017gci       Follow Up                g13, 1.5"
09:40   VMA2               Standard
Comments