Titlebook: Observer‘s Guide to Variable Stars; Martin Griffiths Book 2018 Springer Nature Switzerland AG 2018 variable star.finder chart.observationa

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,Following the Light – Eclipsing Variable Stars, constellation of Perseus. The first person to accurately work out why such dips in light output were being observed was John Goodricke, the remarkable deaf-mute astronomer who worked out the process in 1782.

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Observing Variable Stars with Binoculars, good pair of binoculars rather than a cheap telescope. Binoculars are monetarily cheaper than a telescope. Even better, they can be used in the day as well as the night, whereas a telescope for astronomical use does not have this advantage.

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Rotating Variable Stars,blemished, and this led over the next two centuries to speculation regarding the nature of some variable stars. Did they vary due to star spots? Was their rotation similar to that of the Sun? Indeed, do other stars have spots, and if so, are the mechanisms that cause them similar to those of our own Sun?