Stargazer95050's articles with the keyword: maps

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  • Build your own GPS tool -- update 2015/09/24 & 2019/02/12

    - 12 Feb 2019
    "Build your own" in this case doesn't mean soldering and writing thousands of line of code. Instead I take advantage of available HW & SW and combine them and hopefully end up with a better (and lower-cost) solution than the off-the-shelf items. This is an ongoing adventure -- come back to see the progress ...

  • So you want to -- photograph the ISS in front of the Sun or Moon

    - 20 Dec 2013
    [UPDATE 2013/12/20] Predicting the position of the Sun & Moon isn't all that difficult with a bevy of apps & websites to help you. Predicting satellite positions, incl ISS, is more specialized. Several tools of the SOFTWARE TOOLCHEST come in handy and I will have to add some new ones for this task. Once you know WHEN & WHERE it will happen, the next task is to figure out HOW. Especially when you aim to shoot a transit in front of the Sun, extra precaution is needed.