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Calculator – Cutting large radius on a mill

Various - Wed, 05/27/2020 - 16:25

Milling a large radius on a milling machine does not have to be limited by the size of the rotary table. When tilting the head of the mill with a large cutter, be it a boring bar, fly cutter etc, the resulting cut is an ellipsis. This technique has been used for a long time … Continue reading Calculator – Cutting large radius on a mill

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Categories: Linux News, Various

DIY Motorized Focuser for FSQ 106ED Telescope

Various - Wed, 05/06/2020 - 08:22

The goal of this project was for the automated focusing system to have great holding torque (80Ncm) for heavy image trains (4-5kg) and very fine steps to accommodate the super tight FSQ106 critical focus zone. The formula to calculate the critical focus zone on a telescope is :CFZ = Focal Ratio * Focal Ratio * … Continue reading DIY Motorized Focuser for FSQ 106ED Telescope

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Categories: Linux News, Various

Astrophotography – Moon Mosaic Part II

Various - Tue, 05/05/2020 - 08:03

Date : 26/04/2020Telescope: Vixen VC200L Camera: ZWO ASI120MM-S 6 part mosaic comprised of 800 frames for each panel.Stacked on registax and then assembled in Pixinsight. The Moon today is in a Waxing Crescent Phase. A Waxing Crescent is the first Phase after the New Moon and is a great time to see the features of … Continue reading Astrophotography – Moon Mosaic Part II

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Categories: Linux News, Various