i nerd sniped myself tonight and i imagine the NSA operative who is assigned to me is very confused by the increasingly erratic and frustrated google searches for HOW DO I CALCULATE THE MOON WHERE IS THE MOON
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after a good night's sleep and reflecting on what I've learned so far, I've decided to follow the classic computer science strat: when faced with a problem you don't know how to solve, simply do something else, and pretend that is what you meant to do all along.
not only are horizontal coordinates the choice reference frame for backyard astronomers, the "altitude h" angular measurement is probably closer to the solution I wanted than my earlier framing of the problem. narf
the math's not quite right, but i managed to get the moon more or less working
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@aeva god, on the 3rd day:
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This is the best post to read entirely out of context that I have seen in years.
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astronomy math is out of this fucking world btw like want to know where the moon is? great buckle up you're in for a few hundred years of bizarre hacks and lots of exciting questions like "wait, why are they using the julian calendar?"
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This is the best post to read entirely out of context that I have seen in years.
@CliftonR :3
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@aeva god, on the 3rd day:
@halcy :3
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astronomy math is out of this fucking world btw like want to know where the moon is? great buckle up you're in for a few hundred years of bizarre hacks and lots of exciting questions like "wait, why are they using the julian calendar?"
in a way magpie math is kinda refreshing, like imagine not throwing everything away every few years because of industry fads
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Questo post è eliminato!
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astronomy math is out of this fucking world btw like want to know where the moon is? great buckle up you're in for a few hundred years of bizarre hacks and lots of exciting questions like "wait, why are they using the julian calendar?"
@aeva I think part of it is we stopped trying to guess based on date and moved to measurements and short term extrapolation
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@aeva wait, is it your fault that we’re losing the moon in however many millions of years?
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ok so back to the moon thing, i found another resource and i think i understand the why behind the asinine coordinate systems a little better but it also glosses over the math so it's kinda useless at the same time. i'm tempted to just make shit up and move on, but it would bother me that the function was wrong if i did that
@aeva This is why we threw our hands up and said, just use what's already been done. We outsource "where are the space things" to NAIF SPICE: https://naif.jpl.nasa.gov/naif/aboutspice.html (there's also the rust rewrite, ANISE, but we don't trust that at my place of work yet)
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@aeva I think part of it is we stopped trying to guess based on date and moved to measurements and short term extrapolation
@pupxel speak for yourself
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@aeva wait, is it your fault that we’re losing the moon in however many millions of years?
@c0dec0dec0de it might not be!
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@aeva This is why we threw our hands up and said, just use what's already been done. We outsource "where are the space things" to NAIF SPICE: https://naif.jpl.nasa.gov/naif/aboutspice.html (there's also the rust rewrite, ANISE, but we don't trust that at my place of work yet)
@squirrelbaffler it occurred to me that this is one of those situations where one would probably normally use a library, but the problem is I need to prioritize speed over accuracy because it's repeatedly invoked in a real time audio thread, a use case which i'd not expect to be shared by serious scientific or industrial use cases
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undefined aeva ha condiviso questa discussione
Gli ultimi otto messaggi ricevuti dalla Federazione
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@hn100
I loved this!
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@FoxesInLove brb I need to start digging a hole (and add enough pillows to make it a *comfortable* hole)
(and bake homemade snacks)
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ID: 25646
⚠ Mon, 15 Sep 2025 00:13:55 CEST
🥷 everest
🎯 Professional Trust Company, Italy
🔗 http://www.ransomfeed.it/index.php?page=post_details&id_post=25646
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Nvidia’s top two mystery customers made up 39% of its Q2 revenue https://blog.quintarelli.it/2025/09/nvidias-top-two-mystery-customers-made-up-39-of-its-q2-revenue/
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@thisiskappa @AleF2050 (è quello che uso io oltre ai DNS del provider)
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L’esercitazione militare russa e bielorussa Zapad preoccupa l’Unione. “Stiamo monitorando per prevenire le minacce”
@news
https://www.eunews.it/2025/09/15/lesercitazione-militare-russa-e-bielorussa-zapad-preoccupa-lunione-stiamo-monitorando-per-prevenire-le-minacce/
Ci sono anche gli indiani al confine con la Polonia. Intanto continuano le violazioni allo spazio aereo dell'Unione
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ID: 25644
⚠ Mon, 15 Sep 2025 00:14:32 CEST
🥷 everest
🎯 Key 4 Energy Srl, Italy
🔗 http://www.ransomfeed.it/index.php?page=post_details&id_post=25644
