Techniques used in variable star research

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

CCD photometry

CCD cameras have long been used in the production of “pretty pictures” – the wonderful astrophotographs that we see 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 amateur research activities.