Night report 2017-08-30

Observers: David Homan, Joe Lyman

TAT: Joe Anderson

Support team: Lluís Galbany

Calibrations: biases, dome arcs+flats

Conditions: cloudy at start, largely dispersing by 01:00 but then returning for 2nd half of night; seeing erratic, mainly around 1.5"

Non-detections of ATLAS17jyf, jym and jyn

UT       Target            Type            Comment


23:00    PS17egl          followup         K band

00:30                     switch to EFOSC

00:35    LTT7379          standard

01:00    AT2017gjd        classification   Ia ~peak/slightly before.

01:10    AT2017gah        followup         g11 + g16

01:55    AT2017jym        classification   very faint diffuse object in acq - likely the host. if there is something on top of galaxy it was too faint to expect to get a spectrum.

02:00    AT2017jyn        classification   nothing visible at position, even in deeper acq

02:10                                      mirror alignment

02:15    AT2017jyf        classification   nothing visible in acq

02:20    OGLE17ojj        classification   galaxy

02:55    AT2017ghm        classification   v noisy, Ia?

03:10                                      clouds rolling in

03:25    OGLE17nfr        classification   just noise

04:00    ATLAS17jsb       followup         couldn't find in acq due to clouds

04:25                     dome closed

06:35                     dome opened

06:45    ATLAS17jsb       followup         g13

07:25                                      repayment for other program

07:50    Feige110         standard

08:15    AT2017fzw        followup         g11+g16 - some trouble with guiding system during acq, had to reboot, didn't work

08:40                                      switch to SOFI

08:55    AT2017gci        followup         JHK. clouds returned - J band +1/2 of H affected. J and a short H OB repeated in twilight.