David's Astronomy Pages Images - Session 493 (2011-12-25)

Images (S492)

Images Sessions

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Images (S494)

Objects

Session Notes

Gallery Objects   - None     Photometric Monitoring - Variables - RX And, Z And, KR Aur, CI Cyg, SS Cyg, BL Lac, DY Per, GK Per, RR Tau - FO And, W And, CN Ori, FO Ori, FU Ori, FG Sge Attempts (failed due to cloud or wind) Astrometric Monitoring - Nearby Stars - None

- Evening session (2.1 hrs), cut short when cloud developed in last 45  mins of session - Session operated under semi-automated control, with remote monitoring from indoors computer.   Problems encountered with reliable VNC link   - Ambient Temperature: Falling to 7°C (minimum) before climbing to 10°C (cloud / ? warm front) - CCD operation -25°C (at 83% average cooling).   - main objective of the session was to acquire images of selected project stars for ongoing photometric analysis  -