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Observing Gaia from launch to L2
The ‘Global Astrometric Interferometer for Astrophysics’ or Gaia spacecraft was launched on 2013 December 19 and is now at its
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Spring globular clusters
Although maybe not well known as the season for observing globular clusters, this is a good time of year to
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The Isle of Lewis fireball of 2013 October 14
An analysis of the bright fireball seen from the Isle of Lewis, Scotland, on 2013 October 14
Read moreSuperoutbursts and grazing eclipses in the dwarf nova V1227 Herculis
Profiles of the superoutbursts of the dwarf nova V1227 Herculis observed by the authors in 2012 May and September.
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Timed satellite observation for CCD imagers
By the use of a mechanical shutter in combination with the clear/expose/readout cycle of a CCD camera, multiple images of an artificial satellite or a closely passing Near Earth Object can be obtained, enabling improved astrometric positions and orbital parameters of such objects to be determined.
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