Spring 2017 Astro-Imaging Class

Spring 2017 Astro-Imaging Class

We have scheduled another series of astro-imaging classes for beginners. The goal of the series is to give all the information necessary for the beginner to understand what equipment is needed, how to use it, and how to make good pictures with a digital camera. Classes will be held at Clackamas Community College, McLoughlin Hall Room #252, over four weekends (Saturday mornings). The classes will be similar to past classes but we have included a topic on imaging the eclipse. See below for schedule and topics.

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Creating a Video of RR Lyrae Variables in M3

Creating a Video of RR Lyrae Variables in M3

Globular Cluster M3 looks almost as stunning as M13 when viewed through a small telescope. You can’t see any color through the eyepiece, but properly exposed and processed photos show many light blue stars. Over 200 of these stars are variable stars of the type called RR Lyrae variables. These stars are very interesting because they have about the same average luminosity and there are two main types with periods averaging about 8 hours and 13 hours. This means that one can capture nearly a full period in one night’s observations.

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