Observers: Luke Harvey, Mark Magee Support: Maxime Deckers, Simon Prentice
TAT: Steve Schulze, Jacob Teffs, Santiago Gonzalez
EFOSC Calibrations: bias, calib, evening grz skyflats, morning RVBU skyflats
Weather:
Start: humidity 83, wind 8.0, seeing -
Middle: humidity 64, wind 10.2, seeing -
End: humidity 51, wind 10.3, seeing -
Comments: High humidity delayed start - lost ~2 hours. DIMM seeing down for the night. Some clouds at various points.
Started with EFOSC
| UT | Target | Type | Set up
| Slit | Exposure | Airmass | Seeing | Notes | | 02:23 | AT2021blz
| Follow up
| gr13 | 1.0
| 1500
| 1.3
| -
| Focus first
| 02:54
| AT2021cle | Classification
| gr13 | 1.0 | 900s | 1.2 | 1.4 | Ia post-max
| | 03:15 | AT2021cpg | Classification
| gr13 | 1.0 | 600s | 1.3 | | Ia at max
| | 03:33 | AT2021clw | Classification | gr13 | 1.0 | 300s | 1.3 | | Ia pre-max
| | 03:45 | AT2021css | Classification | gr13 | 1.0 | 300s | 1.3 | | CV? Possible H alpha at z=0?
| | 03:58 | ATLAS21gfy | Classification | gr13 | 1.0 | 600s | 1.1 | | Blue continuum, H alpha at z ~ 0.02, type II?
| 04:16
| ZTF21aahdcpl
| Classification
|
| | | | | Nothing visible in 40s acquisition, possibly due to clouds? Aborted.
| | 04:27 | L745A
| Standard | gr11,13,16 | 1.0, 1.5 | 100s | 1.1 | | | 04:46
| SN2021aek
| Follow up
| gr13 | 1.0 | 1800s | 1.2 | | | 05:25
| SN2021zj | Follow up
| gr13
| 1.0 | 1800s | 2.0 | | | | 06:00 | SN2020acat | Follow up
| gr11+16 | 1.0 | 1500s each
| 1.1 | | | 07:03
| AT2021ctn
| Classification
| gr13
| 1.0 | 900s | 1.2 | | Ia | | 07:25 | AT2021csp
| Follow up
| gr13
| 1.0 | 1500s | 1.4 | | | | 08:00 | GRB210211A | Follow up
| R
| - | 7x240s | 1.8 | | | 08:43
| LTT3864 | Standard
| gr11,13,16
| 1.0 | 100s | 1.4 | | |
| 