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Greg Marshall's Blog – April 2013 Archive (2)

PerfectStar Focus Controller and Motor

I've just released an all new version of the PerfectStar Focus Controller firmware and driver. The new version adds several new functions and enhancements, including greater robustness. At the same time, I am announcing a new PerfectStar Focus Motor that fully encloses both the motor and the focuser coupling. I am now using Hurst motors, the premier manufacturer of stepper motors. For details, see…


Added by Greg Marshall on April 21, 2013 at 10:20pm — No Comments

Join the Online Discussion on Night Sky Photography

April 16 at 1PM (Central Time) Minnesota Public Radio will be hosting an online discussion on Night Sky Photography. I and 2 other photographers will be answering questions from the public. Since I only do "deep space" imaging I don't know how many questions will come my way, but the other 2 people are experienced in (and good at) night sky photography. There's a link to the event on my web site:

Added by Greg Marshall on April 15, 2013 at 3:47pm — No Comments

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