Observers: Tomás Müller, Juanita Antilen
Support Team: Phil Wiseman, Mat Smith, Matt Grayling, Chris Frohmaier
TAT: Janet Chen, Regis Cartier, Roberta Carini
Calibrations:
EFOSC calibrations (biases, flats and arcs) done in the afternoon
Vri sky flats taken in the morning
Weather:
Start: Humidity 34%, wind speed 3.1 m/s, seeing: 1.2". Middle: Humidity 19.2%, wind speed 1.9 m/s, seeing: 0.85". End : Humidity 28%, wind speed 2.2 m/s, seeing: 1.2".
Comments: Clouds at the start of the night (unable to take sky flats) The acquisition image of AT2019rwd had bad quality (unable to observe this object due to weather)
We tried to observe the GRB 191228a at ~01:30 UTC At ~01:30 UTC weather conditions got better Weather conditions got much better the second half of the night
Observations:
| UT | Target | Type | Setup | Seeing | Exptime | Notes | 00:38
| AT2019ivc
| Follow-up
| Vri
| 0.8"
| 5x90+5x60+5x60s
| most likely not the true seeing due to weather conditions
| | 01:30 | GRB191228a | Classification | r band | 1.0'' | 120s | we couldn't identify the object in the acquisition image | | 01:35 | AT2019wkk | Classification | Gr13 | 1.7'' | 300s |
| | 01:58 | PG0231 | STD | UBVRigrz | 1.6'', 1.4'' |
|
| | 02:15 | L745a | STD | Gr11+13+16 | 1.4'' |
|
| | 02:33 | AT2019vqd | Follow up | Gr16 | 0.95 | 1800s |
| | 03:22 | Image Analysis | | | | | | | 03:34 | AT2019pcr | Follow up | Gr11 | 1.0'' | 1800s |
| | 04:10 | AT2019pcr | Follow up | Gr16 | 1.2'' | 1800s |
| | 04:54 | SN2019fcn | Follow up | Gr13 | 0.9'' | 60s | Rotator offset angle -49.23. The target was not seen in the 1min acq image
| | 05:08 | OGLE19wcj | Follow up | Gr16 | 0.8'' | 2000s | | | 05:41 | AT2019vqd | Follow up | Gr16 | 0.9'' | 1800s |
| | 06:45 | AT2019xis | Classification | Gr13 | 1.0'' | 900s | Uncertainty in finding the target in the acquisition image
| | 07:19 | AT2019xuo | Classification | Gr13 | 0.9'' | 900s |
| | 07:43 | SN2019wbg | Follow up | Gr11 | 1.1'' | 2700 |
| | 08:36 | LT3864
| STD
| Gr11+13+16 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 