Research Techniques

Participants in the VSS community undertake research using a variety of techniques.  You can learn more about these techniques below.

  • Video Photometry +

    Video Photometry Video cameras have been traditionally used for photometry of lunar and asteroidal occultations and mutual events of planet satellites. Since recently they are also being used for identifying the times of minima of short periodic variable stars. Those cameras provide a cost effective option for variable star research as well Read More
  • DSLR Photometry +

    DSLR Photometry The emergence of Digital Single Lens Reflex (DSLR) cameras as cost effective astronomical imaging platforms has been underway for some years now. However it has become clear that these cameras can be used for scientific work such as photometry in addition to their more traditional role in taking "pretty pictures". Read More
  • Visual Observing +

    Visual Observing Many variable star observers start their journey by visually observing variables that can be viewed through binoculars or small telescopes. There is a long history of serious research done in this manner, and it requires no further equipment such as cameras, filters and computers. In this regard it is ideal Read More
  • CCD Photometry +

    CCD Photometry CCD cameras have long been used in the production of "pretty pictures" - the wonderful astrophotographs that we seen in magazines, books and websites. However CCD cameras also have a long history of scientific study, and with the plethora of commercial and free photometry software, they have become the mainstay of Read More
  • Spectroscopy +

    Spectroscopy Spectroscopy is the analysis of electromagnetic radiation received from astronomical objects and is generally presented as a graph of radiation amplitude versus wavelength. Amateur spectroscopy is presently restricted to the visual range, for cost and technical reasons, but that is hardly a limitation as the interested observer will find no Read More
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