As soon as I read that it was possible for amateurs to do spectroscopy, I couldn't rest until I'd produced my own spectrogram revealing the chemical composition of a star. It's been a long rocky road but I'm now ready to reveal my first calibrated 2D spectrogram, showing the frequencies hidden within sirius!
"Wow, but what does it actually mean?" I hear you ask.
We'll worry about that later. For now, let us just rejoice:
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