David's Astronomy Pages Images - Session 484 (2011-11-07)

Images (S483)

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Images (S485)

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Session Notes

C/2009 P1 (Garradd) - Comet C/2009 P1 Garradd attempt (failed due to cloud)     Photometric Monitoring - Variables - RX And, R CrB, SS Cyg, AM Her, U Her   - CI Cyg, BL Lac CY Lyr attempts (failed due to cloud)     Astrometric Monitoring - Nearby Stars - None

- Evening session (1.2 hrs), cut short by cloud and wind - Session operated under semi-automated control, with remote monitoring from indoors computer.    - Ambient Temperature: 7.0°C (minimum) climbing to 8°C (cloud) - CCD operation -25°C (at 78% average cooling).   - main objective of the session was to acquire images of selected project stars for ongoing photometric analysis and image certain challenge & gallery objects -

C/2009 P1 (Garradd) - Comet

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