Questions tagged [map]

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how to plot Gauss-Hermite moment maps from arrays of star velocity values in Python?

I want to calculate Gauss-Hermite moments, such as h1,h2, h3, h4 moments from the values in an array of numbers which represent velocity distribution of stars in a galaxy. How would I fit a curve to ...
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Star map decode to location [closed]

I have a printed star map. I need to break it down to get alt and azimuth. I need to figure out the exact location. I just have no idea how to do it.
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What do "P" and "F" mean in the compass legend of Carrington's sunspot drawing?

In Richard Carrington's drawing of sunspots, he has a compass labeled "N", "P", "S", and "F". If "N" is North and "S" is South, what do &...