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Equatorial to Galactic and Trig calc PLS #5
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And by Equatorial coordinates you mean with respect to equator of Earth, or also equator of some other planets? |
Yep in respect to Earth, RA and Dec. |
This is in respect to the equator of Earth. I already found some formulas: Conversion of coordinates Such a calculator should be doable in SFCalcsheet, although I am a bit weak with trigonometry. |
It is definitely doable, but the tricky thing is checking in the excel sheet whether the input angle is in degrees or radians. |
I would standardize on degrees and include a degree <-> radian converter on the "Conversion" sheet. |
I'm working on 3D starmaps in Astrosynth and Pioneer, I usually have to go through around 5 to 10 minutes hopping between my calculator and various online calculators and converters so I can convert Equatorial in to Galactic, and then calculate the trigonomic values so I can get cartesian co-ordinates. Would be handy if this calculator also had an Equatorial to Galactic converter, along with a right angle trig calculator for getting cartesian co-ordinates.
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