Wednesday, September 20, 2017

Night Log 2017-09-19

SA: Alexei
SO: Veronica
Others: Rudi and Fred for handover, spider Willy at TimDIMM...

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Summary
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=> Very unstable night with heavy clouds from the evening, rising humidity and very bad seeing up 7". We were closed by humidity finally.

=> Some data were taken for programs:
2017-1-SCI-043 P3 HRS (verifying the Planetary Nebula Luminosity Function)
2016-2-MLT-005 P4 HRS (Investigating the chemical composition of bright star beta Pic and its nearby circumstellar material)
2017-1-MLT-005 P4 HRS (Spectroscopic investigations of Cepheids and stars belonging to open clusters and associations)
2017-1-SCI-025 P4 HRS (Determining the period of a multi-periodic pulsating binary system.)
2017-1-MLT-001 P4 HRS (x2) (Study of long-period eclipsing binaries)
2017-1-MLT-010 P4 HRS (x3) (Searching for evolved binary stars with long orbital periods)
2017-1-SCI-058 P4 HRS (Studying the composition of Binary stars to estimate their ages)

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