Night report 2026-06-06

Night report 2025/06/06

Observers: Ed Charleton (University of Southampton), Melzie Ghendrih (Lancaster University) and CG Touchard-Paxton (Trinity College Dublin)

Support: Peter Clark, Matt Quilt and Cordelia Dashwood Brown (Southampton)

TAT: Claudia Gutiérrez (IEEC), Shubham Srivastav (QUB), Michel Dennefeld (IAP Paris)

Start: 11:12 UT | Humidity: 30.1% | Wind speed: 9.7m/s | Seeing: 1.1 

Middle: 06:12UT | Humidity: 26.8% | Wind speed: 12.3m/s | Seeing: 1.0

End: 10:15UT | Humidity: 21.7% | Wind speed: 12.2% | Seeing: 1.4

Afternoon Calibrations:

• Darks, arcs and dome flats done in the afternoon

• U and i band sky flats

Notes:

• 22:41 UT: image analysis

• 23:07 UT: focusing telescope

• 23:54 UT: issues with the guiding because of clouds

• 00:04 UT: closing dome because of increasing cloud coverage

• 03:38 UT: opened the dome again

• 03:51 UT: seeing degraded, switching to slit 1.5

• 06:12 UT: seeing gone down, going back to slit 1

• 07:19 UT: seeing dramatically up, so decided to go back to slit 1.5