raptop changed the topic of #kspacademia to: https://gist.github.com/pdn4kd/164b9b85435d87afbec0c3a7e69d3e6d | Dogs are cats. Spiders are cat interferometers. | Космизм сегодня! | Document well, for tomorrow you may get mauled by a ネコバス. | <UmbralRaptor> egg|nomz|egg: generally if your eyes are dewing over, that's not the weather. | <ferram4> I shall beat my problems to death with an engineer. | We can haz pdf
<UmbralRaptop> egg|laptop|egg: ¯\_(ツ)_/¯ as long as the FoV is evenly illuminated
<egg|laptop|egg> the FoV is smol so as long as there are clouds or horizon that part should be fine
<egg|laptop|egg> UmbralRaptop: also how many flats
<UmbralRaptop> at least 1 per exposure time used?
* UmbralRaptop doesn't recall >_<
<UmbralRaptop> It must have gotten crunched inside a schwarzschild solution
* egg|laptop|egg stares at the flat
<egg|laptop|egg> ... are those stars
<egg|laptop|egg> maybe i should use the water instead
<egg|laptop|egg> there are no stars in the water, right
<UmbralRaptop> Depends on how smooth the water is
<UmbralRaptop> Alternatively, wait 2-3 hours and take predawn flats?
<egg|laptop|egg> uh oh a boat is coming
<egg|laptop|egg> is it ok if there is a boat on the flat,
<iximeow> a boat is not stars so: yes
<egg|laptop|egg> perfect,
<egg|laptop|egg> yup boat
<egg|laptop|egg> with lights
<egg|laptop|egg> that flat is going to be bright
<iximeow> oh no, stars are lights too
<egg|laptop|egg> also the water is clearly foggy
<egg|laptop|egg> good for flats
<egg|laptop|egg> less good for further observation,
<egg|laptop|egg> wtf this flat looks decent even though a boat went through it?!
<UmbralRaptop> Is the boat evenly illuminated?
<UmbralRaptop> egodic flat?
<egg|laptop|egg> okay the next one is more like i eggspected
<UmbralRaptop> *ergodic
* UmbralRaptop 🔪 things
<UmbralRaptop> !8 is tensor math fake?
<galois> UmbralRaptop: no
<UmbralRaptop> ;8ball is tensor math fake?
<kmath> UmbralRaptop: Nope
<UmbralRaptop> …
<egg|laptop|egg> okay i'll take the darks in bed
<egg|laptop|egg> time to disassemble the observig setup
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<egg|laptop|egg> UmbralRaptop: what's up with your tensors again
<UmbralRaptop> egg|laptop|egg: https://photos.app.goo.gl/PvpJ1rkXcM3NZ1VV7
<UmbralRaptop> Apparently multiplying η and h gives a δ function? (among other things)
<egg|laptop|egg> huh? where
<UmbralRaptop> for actually getting equation 21.42
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<_whitenotifier-5dfc> [Principia] eggrobin labeled pull request #2150: Quis custodiet ipsos custodes? - https://git.io/fjn42
<egg|laptop|egg_> iximeow: okay took 30 darks
<egg|laptop|egg_> should i sleep or poke at the m3 images now
<egg|laptop|egg_> hm, i need to buy food for the cat tomorrow so i probably need to be awake
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<UmbralRaptop> Be awake then, or now?
<UmbralRaptop> !wpn -add:wpn harpoon
<galois> Added wpn 'harpoon'
<kmath> <cosmos4u> And the prize for the sweetest astronomy acronym of the week goes to ... STROOPWAFEL for "Simulating The Rare Outco… https://t.co/aux8CTYieY
* UmbralRaptop may be failing to sleep
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<egg|laptop|egg> the water flats turned out decent i think
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<mofh> meow
<UmbralRaptop> starball
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<UmbralRaptop> … and missed a bus because the intersection decided to skip giving a walk signal for a cycle
<UmbralRaptop> >_<
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<iximeow> egg: star colors!
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<UmbralRaptop> iximeow: so if we get egg a filter wheel…
<iximeow> egg can see half as many stars!
<UmbralRaptop> (alternatively, can one throw the globular cluster jpeg into the right software and get an H-R diagram?)
<egg|cell|egg> Egg
<egg|cell|egg> Iximeow: took all 30 images that the software managed to align, didn't drop the double star/trailed ones
<egg|cell|egg> Probably should try with only the better eggsposures
* UmbralRaptop 🔪 expense reporting
<UmbralRaptop> I need a receipt for subway fares, but not for miles driven
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<egg|laptop|egg> iximeow: meow
<egg|laptop|egg> mofh: meow
<iximeow> meow
<egg|laptop|egg> ixi
* iximeow pets egg
* egg|laptop|egg pets a cat
<mofh> egg|laptop|egg: meoqw
<mofh> meow*
<egg|laptop|egg> :meowq
<UmbralRaptop> E492: Not an editor command: meowq
<UmbralRaptop> (Sadly)
<uovo> UmbralRaptop: iximeow: hm, dropping doubled-star images doesn't seem to improve the stack all that much?
<UmbralRaptop> hrm. What fraction were doubled?
<UmbralRaptop> (double double star is the new long long cat?)
<uovo> dunno maybe a handful
<uovo> out of 30
<UmbralRaptop> Something something √n
<egg|laptop|egg> https://xkcd.com/1070/
<uovo> UmbralRaptop: otoh getting the color balance decent to make those jpgs is tricky
<uovo> also unsure how much i should logarithmize things
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<_whitenotifier-5dfc> [Principia] LuctenFinger opened issue #2154: manoeuvre node auto move while warping - https://git.io/fjceZ
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<egg|laptop|egg> whitequark: catpics!
<egg|laptop|egg> hm where is my phone
<UmbralRaptop> egg
<egg|laptop|egg> its not on irc afaict
<UmbralRaptop> hrm
<mofh> ...I misread "afaict" as "efnet" *somehow*
<mofh> wtf
<UmbralRaptop> internet relay moth
<SnoopJeDi> !wpn -add:adj relay
<galois> Added adj 'relay'
<egg|laptop|egg> mofh: meow
<egg|laptop|egg> TRACE?
<egg|laptop|egg> !acr -add:TRACE Transition Region And Coronal Explorer
<galois> Definition added!
<egg|laptop|egg> SOHO?
<galois> SOHO: SOlar and Heliospheric Observatory
<egg|laptop|egg> !acr -add:SMOS Soil Moisture and Ocean Salinity
<galois> Definition added!
<egg|laptop|egg> !acr -add:SMAP Soil Moisture Active and Passive mission
<galois> Definition added!
<mofh> egg|laptop|egg: meow
<egg|laptop|egg> !acr -add:STEP Satellite Test of the Equivalence Principle
<galois> Definition added!
<egg|laptop|egg> mofh: the Capderou book is disturbingly good at populating !acr
<egg|laptop|egg> mofh: also have you considered https://twitter.com/eggleroy/status/1123556005042970624
<kmath> <eggleroy> Michel Capderou (2012), Satellites : de Kepler au GPS. https://t.co/vAqW1Adq8Z
<whitequark> that's the wrong STEP.
<egg|laptop|egg> whitequark: what?
<galois> [WIKIPEDIA] STEP | "Step est un nom commun pouvant désigner :Step, une activité de fitnessSTEP est un sigle pouvant désigner :STEP, une appellation usuelle pour « Station d'épuration des eaux usées »STEP, standard pour l'échange de données de produit (norme ISO 10303)Station de transfert d'énergie par pompage. L'eau..."
<egg|laptop|egg> there are a lot of STEPs
<galois> [WIKIPEDIA] ISO 10303-21 | "STEP-File is the most widely used data exchange form of STEP. ISO 10303 can represent 3D objects in Computer-aided design (CAD) and related information. Due to its ASCII structure, a STEP-file is easy to read, with typically one instance per line. The format of a STEP-File is defined in ISO 10303-21..."
<mofh> I like to refer to them as less-cursèd and more-cursèd STEP, respectively :p
<whitequark> lol
<whitequark> why the é
<whitequark> no
<whitequark> the è
<egg|laptop|egg> mofh: also lol Mark liked the capderou tweet O_o
<mofh> egg|laptop|egg: it's a good tweet,
<mofh> whitequark: i don't know where i picked up pronouncing it that way (it predates my time in FR, for instance, i think it might just be a weird speech quirk that i somehow have de novo), just decided to write it down as well
* UmbralRaptop assumed that it was to evade some sort of namesearch thing
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<egg|laptop|egg> ADM?
<egg|laptop|egg> !acr -add:Atmospheric Dynamics Mission
<galois> Definition added!
<egg|laptop|egg> !acr -add:WALES WAter vapour Lidar Experiment in Space
<galois> ...
<egg|laptop|egg> !acr -add:COSMO COnstellation of small Satellites for Mediterranean basin Observation
<galois> Definition added!
<egg|laptop|egg> mofh: so
<egg|laptop|egg> mofh: Capderou has somewhere (in the section on phasing) a duration 𝕃
<UmbralRaptop> Ah, yes. The set of numbers used for angular momentum
<egg|laptop|egg> mofh: but also I just came across the angle 𝔘
<egg|laptop|egg> unsure which is more cursed
<egg|laptop|egg> mofh: no nevermind it's not an angle, it's a trigonometric line
<egg|laptop|egg> so i guess 𝕃 remains the most cursed notation for now
<egg|laptop|egg> what's the orbital altitude of TRACE and Picard
<egg|laptop|egg> huh, 602..652 km and 725 km
<egg|laptop|egg> so i guess they do get egglipse near the solstices
<galois> [WIKIPEDIA] Picard (satellite)#Platform | "PICARD is a satellite dedicated to the simultaneous measurement of the absolute total and spectral solar irradiance, the diameter and solar shape, and to the Sun's interior probing by the helioseismology method. These measurements obtained throughout the mission allow study of their variations as a function..."
<egg|laptop|egg> whitequark: remember how i mentioned GEO being hard with Principia because C22/S22 will induce a longitudinal drift/oscillation? There are equilibrium points of course (two stable two unstable), and someone put a GEO sat there and took a picture: https://media.discordapp.net/attachments/480397772248580098/575048394163093504/screenshot79.png
<egg|laptop|egg> you get perturbation in inclination probably from third-body effects, but it sits there in longitude
<whitequark> mew
<egg|laptop|egg> whitequark: see https://media.springernature.com/original/springer-static/image/chp%3A10.1007%2F978-3-319-03416-4_7/MediaObjects/313560_1_En_7_Fig12_HTML.gif (from the English version of the Capderou book, that screenshot is at the 104.9 degree W stable point as you can see from the landmasses
<egg|laptop|egg> )
<mofh> https://twitter.com/demand_reform/status/1124711361525817344 jesus tapdancing christ, like this is *LITERALLY* one of the central plotlines of Les Mis -.-
<kmath> <demand_reform> BREAKING: the DA in Staten Island just asked a judge to set $5,000 bail on a man who took a sandwich and juice beca… https://t.co/2r2Fn4xxLf
<mofh> egg|laptop|egg: rofl a duration L
<mofh> amazing
<egg|laptop|egg> no not L, that would be sensible