Londo, with VAT 4956, the problem is that for me it´s hard to understand the motion of the planets since I have never really gone much into depth in that topic. Like, if you asked me to one day point at the planets in the sky I´d be clueless.
But lunar eclipses are things that I know... I have seen them, I know when to expect them, and I understand now the Saros cycles.
I can´t wait to actually finish the document in Spanish and then start translating. I am still missing LBAT 1421, adding bibliography, and doing some finishing touches.