Observers: Maxime Deckers, Simon Prentice Support: Jacco Terwel, Mark Magee TAT: Cristina Barbarino, Giuliano Pignata, Tomás E. Müller Bravo
EFOSC Calibrations: bias, calib, UBVRI skyflats
Weather:
Start: humidity 48, wind 1.5, seeing -
Middle: humidity 54, wind 0.9, seeing 1.2
End: humidity 55, wind 1.3, seeing 1.2
Comments: We switched from EFOSC2 to SOFI near the start of the night, and later back to EFOSC2
Started with EFOSC
| UT | Target | Type | Set up
| Slit | Exposure | Airmass | Seeing | Notes | | 00:34 | AT2021bxu | Classification | gr13 | 1.0 | 900s | 1.3 | 0.8 | Odd Ib/IIb, already classified | | 01:00 | AT2021blz | Follow up | gr13 | 1.0 | 1500s | 1.0 | 0.8 | |
Switched to SOFI
| UT | Target | Type | Set up
| Slit | Exposure | Airmass | Seeing | Notes | | 01:53 | SN2021bmr | Follow up | JH | - | 2520s | 1.0 | 0.8 | | | 02:46 | SN2021bnd | Follow up | JH | - | 2520s | 1.1 | 1.1 | | | 03:25 | SN2021bmy | Follow up | JH | - | 2520s | 1.1 | 1.2 | | | 04:13 | SN2021bpn | Follow up | JH | - | 2520s | 1.1 | 1.2 | | | 05.01 | SN2021bsx | Follow up | JH | - | 2520s | 1.5 | 1.2 | |
Back to EFOSC2
| UT | Target | Type | Set up
| Slit | Exposure | Airmass | Seeing | Notes | | 06:05 | l745a | Standard | gr11, gr16, gr13 | 1.0, 1.5 | 100s | 1.4 | 1.2 | | | 06:30 | ZTF21aajezvp | Classification | gr13 | 1.0 | - | 1.5 | 1.2 | No source visible | | 06:36 | ZTF21aaisnth | Classification | gr13 | 1.0 | 900s | 1.3 | 1.2 | Looks like SN Ia | | 06:58 | AT2021cku | Classification | gr13 | 1.0 | 600s | 1.0 | 1.2 | SN Ia around max | | 07:16 | SN2021can | Follow up | gr11 | 1.0 | 1500s | 2.0 | 1.2 | | | 07:48 | AT2021cpi | Classification | gr13 | 1.0 | 900s | 1.8 | 1.2 | Blue and featureless, likely young SN II | | 08:10 | ZTF21aahfjbs | Classification | gr13 | 1.0 | 900s | 1.9 | 1.2 | SN Ia at max | | 08:30 | AT2021ckl | Classification | gr13 | 1.0 | 600s | 1.5 | 1.2 | Just galaxy? | | 08:44 | LTT3864 | Standard | gr11, gr16, gr13 | 1.0, 1.5 | 100s | 1.3 | 1.2 | |
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