Sunday, November 16, 2025

Night Log 2025-11-15

SA: Rudi
SO: Veronica
Others:

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Summary
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A relatively good night with moderate seeing. Mostly high priority blocks observed. Clouds and high humidity forced us to close early.

Science data taken for:
2024-2-LSP-001 P0 HRS (Followup of Transients)
2025-2-GWE-001 P0 RSS (Follow-up of GW counterpart candidates)
2025-1-MLT-004 P1 RSS (x3) (Near-UV and visible spectroscopy of the primitive asteroids)
2025-2-SCI-032 P1 RSS (x2) (Low resolution spectra of blue, low-mass galaxies to determine redshifts/velocities)
2024-2-LSP-001 P1 RSS (Followup of Transients)

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Saturday, November 15, 2025

Night Log 2025-11-14

SA: Rudi
SO: Veronica
Others:

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Summary
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Thick cloud kept us closed all night.

No science data taken.

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Friday, November 14, 2025

Night Log 2025-11-13

SA: Rudi
SO: Veronica
Others:

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Summary
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A full night of observing. A large number of high priority blocks observed. Very little technical downtime.

Science data taken for:
2025-2-GWE-001 P0 RSS (x4) (Follow-up of GW counterpart candidates)
2025-2-MLT-009 P1 RSS (Spectroscopy of ultra-diffuse galaxies)
2025-2-SCI-032 P1 RSS (Low resolution spectra of blue, low-mass galaxies to determine redshifts/velocities)
2025-2-SCI-006 P1 HRS (Measuring Lithium abundances in UMa candidate stars)
2025-2-MLT-010 P2 HRS (SA-China Exoplanet Collaboration PASTA)
2025-1-MLT-002 P2 RSS (Tracking Accretion Flows via BLR Emission in Changing-Look Active Galactic Nuclei)
2025-2-SCI-027 P2 HRS (detached eclipsing binaries for PLATO mission)
2025-2-SCI-033 P2 HRS (Two transiting TESS triple planet systems composed of super-Earths involved in two-body 3:2 MMRs.)

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Thursday, November 13, 2025

Night Log 2025-11-12

SA: Rudi
SO: Veronica
Others:

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Summary
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A full night of observing with some high level clouds for most of the night. Very little technical downtime. Mostly high priority blocks observed.

Science data taken for:
2024-2-LSP-001 P0 HRS (Followup of Transients)
2025-2-SCI-009 P1 HRS (High resolution spectrocopy of Type II Cepheids)
2025-2-SCI-032 P1 RSS (x3) (Low resolution spectra of blue, low-mass galaxies to determine redshifts/velocities)
2025-2-SCI-019 P2 RSS (Probing CGM Response to Quasar Variability)
2024-2-SCI-025 P2 RSS (Looking for proto hot Jupiters)
2025-2-SCI-031 P2 RSS (x2) (Redshifts of candidate TeV blazars)

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Wednesday, November 12, 2025

Night Log 2025-11-11

SA: Moses
SO: Nomzamo
Others: Antoine (for SMI), Rudi, Anthony, Michael, Etienne, Jean

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Summary
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After a troublesome mirror alignment we had a very smooth evening to end the week, with good stable seeing and clear skies, and we managed to observe many high priority blocks.

Science data taken for:
2025-2-SCI-035 P1 RSS (Study of a sample of high redshift radio sources at z>3)
2024-2-LSP-001 P1 RSS (Followup of Transients)
2025-2-SCI-006 P1 HRS (x2) (Measuring Lithium abundances in UMa candidate stars)
2025-2-SCI-032 P1 RSS (Low resolution spectra of blue, low-mass galaxies to determine redshifts/velocities)
2025-2-SCI-017 P1 RSS (x2) ("Understanding the peculiar collision geometry of the Cartwheel system")
2025-2-SCI-031 P2 RSS (Redshifts of candidate TeV blazars)
2025-2-SCI-018 P2 RSS (Near-infrared (and one optical) spectra of AGN)
2024-2-SCI-025 P2 RSS (Looking for proto hot Jupiters)

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Tuesday, November 11, 2025

Night Log 2025-11-10

SA: Moses
SO: Nomzamo
Others: Rudi, SALT Board members + other visitors

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Summary
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We had a very productive night with mostly clear skies and great seeing, and we managed to observe many high priority blocks while the Board was watching.

Science data taken for:
2024-2-LSP-001 P0 HRS (Followup of Transients)
2024-2-LSP-001 P0 RSS (Followup of Transients)
2025-2-LSP-002 P1 NIR (x2) (Reverberation mapping of high-z quasars )
2025-2-SCI-006 P1 HRS (Measuring Lithium abundances in UMa candidate stars)
2025-1-MLT-004 P1 RSS (x3) (Near-UV and visible spectroscopy of the primitive asteroids)
2025-2-SCI-017 P1 RSS ("Understanding the peculiar collision geometry of the Cartwheel system")
2024-2-LSP-002 P1 RSS (Pan-African AGN survey using SALT/IFS: tracing the properties of AGN and their host galaxies)
2025-2-SCI-018 P2 RSS (Near-infrared (and one optical) spectra of AGN)
2025-2-MLT-013 P3 RSS (Searching for double hydrogen-deficient stars)

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Monday, November 10, 2025

Night Log 2025-11-09

SA: Moses
SO: Nomzamo
Others: Irina, Visitors, DSI Deputy Minister

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Summary
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Most of the night was lost due to thick clouds or high humidity, but we managed a couple of blocks even got a little sub-arcsecond seeing observing towards the end.

Science data taken for:
2025-2-SCI-019 P1 RSS (Probing CGM Response to Quasar Variability)
2024-2-LSP-001 P1 RSS (Followup of Transients)

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