00:30 <whitequark> dob?

00:41 <egg|anbo|egg> whitequark: dobsonian telescope

00:42 <egg|anbo|egg> https://fr.wikipedia.org/wiki/T%C3%A9lescope_de_Dobson

00:42 <galois> [WIKIPEDIA] Télescope de Dobson | "En astronomie amateur, le télescope de Dobson est un télescope de Newton monté sur une monture azimutale simplifiée. Pour désigner un tel instrument, on entend parfois l'anglicisme télescope dobsonien (qui vient de Dobsonian telescope), mais plus couramment et simplement, on utilise plutôt le terme Dobson…"

00:42 <egg|anbo|egg> uh why is this french

00:42 <egg|anbo|egg> https://ru.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BD%D1%82%D0%B8%D1%80%D0%BE%D0%B2%D0%BA%D0%B0_%D0%94%D0%BE%D0%B1%D1%81%D0%BE%D0%BD%D0%B0

00:42 <galois> [WIKIPEDIA] Монтировка ДобÑ�она | "Монтировка ДобÑ�она — тип альт-азимутальной монтировки длÑ� телеÑ�копа.Своё название получила в чеÑ�Ñ‚ÑŒ американÑ�кого любителÑ� аÑ�трономии Джона ДобÑ�она, впервые применившего ее длÑ� Ñ�воих огромных по любительÑ�ким мерÐ

00:44 <egg|anbo|egg> whitequark: huh https://esper.irclog.whitequark.org/kspacademia/2021-04-11 is looking garbled

00:44 <galois> title: #kspacademia on 2021-04-11 — irc logs at whitequark.org

00:46 <egg|anbo|egg> I guess because galois spat out truncated UTF-8?

01:03 <UmbralRaptop> A telescope where all the $$$ goes into aperture -- they're typically (always?) Newtonian telescopes on simple altitude-azimuth mounts

01:04 <UmbralRaptop> So a 20 cm dob can easily cost an order of magnitude less than a 20 cm telescope aimed at imaging

01:05 <UmbralRaptop> They're great for visual astronomy and outreach, but bad for imaging

12:25 <UmbralRaptop> note to self: it's 2021, not 2022

13:06 <egg|anbo|egg> UmbralRaptop: JD pls

13:06 <mofh> https://stackoverflow.com/questions/13772567/how-to-get-the-cpu-cycle-count-in-x86-64-from-c

13:06 <galois> title: How to get the CPU cycle count in x86_64 from C++? - Stack Overflow

13:06 <mofh> __rdtsc()

13:06 <mofh> it's a global thing

13:42 <raptop> egg|anbo|egg: unfortunately orbits exist

13:42 <raptop> (or I guess fortunately, since it helps with parallax)

14:09 <raptop> boing boing boing https://arxiv.org/abs/2104.03734

14:09 <galois> title: [2104.03734] Multi-blade monolithic Euler springs with optimised stress distribution

14:16 <raptop> Ah, I see someone is publishing ultrahard SF on the arχiv again: https://arxiv.org/abs/2006.05546

14:16 <galois> title: [2006.05546] Fundamental Physical and Resource Requirements for a Martian Magnetic Shield

14:46 <raptop> realistic surface layers on airless small bodies (RSTPM)

14:46 <raptop> This is of course another round of astronomers naming things https://arxiv.org/abs/2104.02909

14:46 <galois> title: [2104.02909] Thermophysical model for realistic surface layers on airless small bodies: applied to study the spin orientation and surface dust properties of (24) Themis from WISE/NEOWISE multi-epoch thermal lightcurves

16:11 <egg|anbo|egg___> !u l

16:11 <galois> l: U+006c LATIN SMALL LETTER L

17:15 <egg|anbo|egg___> whitequark: Google Translate TTS actually produces something useful if you feed it 4𝑦𝑞−𝑞⁴, much to my surprise

17:15 <egg|anbo|egg___> « four Y Q minus Q to the power of four »

17:16 <egg|anbo|egg___> I think a lot of the screenreader brokenness with mathematical alphanumerics is that those have shitty TTS (saying « mathematical alphanumeric » is never useful)

19:19 <raptop> The grade center showing a maximum of 12 students at a time seems like a pretty severe keyholing issue

19:20 <egg|cell|egg> !wpn whitequark

19:20 <egg|cell|egg> !wpn smkz

19:21 <raptop> Okay, there's something analagous to a full-screen button that shows ...14

20:33 <raptop> light pollution in france (cc: egg|cell|egg) https://arxiv.org/abs/2006.04440

20:33 <galois> title: [2006.04440] A Case study of light pollution in France after the change in legislation

21:31 <raptop> astronomers naming things: https://arxiv.org/abs/1908.05129

21:31 <galois> title: [1908.05129] HAYDN -- High-precision AsteroseismologY of DeNse stellar fields (ESA Voyage 2050 White Paper)