iiinova — where your digital self keeps evolving

zelario @zelario4f.bsky.social · 24/09/2026

Coy et al. (arxiv.org/pdf/2609.26874) newly analyzed the TESS eclipses of K2-141b and found eclipse depth of 80 ±20 ppm for this planet. 3 years ago as an HS student I looked at this data using my own shitty methods and got 86 ±28 ppm (0.3sigma off), so somehow I wasn't completely clueless haha 🪐

arxiv.org

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Askaniy @askaniy.bsky.social · 10/07/2026

TrueColorTools v4.6 is out! The changelog is dominated by new and updated spectral data. Thanks to @lunathesilly.bsky.social, Pedro J. Garcia, @geobica.com, and SevenSpheres for their contributions! github.com/Askaniy/True...

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zelario @zelario4f.bsky.social · 31/03/2026

I GOT FEATURED ON APOD AGAIN?? 🔭

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Askaniy @askaniy.bsky.social · 08/01/2026

I present three maps of Titan: one in visible "true" colors (albedo scaled and gamma corrected), one in enhanced colors (linear albedo scale with a factor of five), and one of the lakes. In this thread, I will briefly describe how the impenetrable haze was bypassed.

Enhanced colors (linear albedo scale with a factor of five)

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zelario @zelario4f.bsky.social · 06/01/2026

Ganymede in 1979 from Voyager 2 (mosaic) true color, processed from the raw data using @askaniy.bsky.social's TrueColorTools I used 9 OGBV frames for this processing. the edge of the disk is slightly cut off, so a small rendered view was inserted and spliced in. manual processing took ~3.5 hours 🧪🔭

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zelario @zelario4f.bsky.social · 04/01/2026

hey is it okay if I drink all the milk in the fridge like I know it’s a whole gallon but im really thirsty

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Chara @astrochara.bsky.social · 09/09/2025

Today on arXiv: The recent JWST TRAPPIST-1 e papers. They are somehow not even the biggest news in the list. Today's arXiv day's absolutely stacked.

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zelario @zelario4f.bsky.social · 16/08/2025

如果我用中文而不是英文说我是同性恋，肯定没人会发现 Aware

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astrafoxen @astrafoxen.bsky.social · 02/07/2025

So uh, there's a new interstellar object discovered at Chile yesterday. Name is A11pl3Z, has a hyperbolic trajectory of eccentricity 14±4 (WTF). Currently appmag 18, 4 AU away from Earth, and coming to 2 AU perihelion this October. (tagging🔭☄️) Observing it with remote scope rn, calling astronomers..

projectpluto.com

Pseudo-MPEC for A11pl3Z

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astrafoxen @astrafoxen.bsky.social · 21/06/2025

Hiya! Over the past few months I've been silently working on several astronomy projects. Here's what I've been up to lately! 🔭☄️🧪 1. I discovered a Kuiper belt object! (2013 CG269) 2. I'm coauthor of a brand new paper by @renerpho.bsky.social et al. on the rotation of asteroid Bradyharan! (1/11)

This is a picture of the Kuiper belt object 2013 CG269, as seen by the Subaru Telescope on 24 February 2017. It shows a zoomed-in patch of sky, peppered with fuzzy white dots and smudges against a gray, grainy background. The white dot at the lower right is circled and labeled "2013 CG269" in yellow.

Coincidentally, there is an unknown faint moon of Jupiter right next to 2013 CG269. This unknown moon of Jupiter is the fainter white dot located left of center, circled and labeled "Jovian moon" in cyan.

A screenshot of a scientific paper titled "LIGHTCURVE AND ROTATION PERIOD OF 46925 BRADYHARAN" in bold. Below the bolded title are the authors, whose names from top to bottom are:
Daniel P. Bamberger
Sam Deen
K. Ly (me!)
Elvis Oliveira Mendes
Arndt Schnabel
Guy Wells

To the right of the title and authors list are two rectangular plots with squiggly curves across them. The top right plot shows the brightness of asteroid 46925 Bradyharan over time, while the lower right plot shows the root-mean-square error (RMS error) of different rotation periods.

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zelario @zelario4f.bsky.social · 06/06/2025

Delta Junction, AK 2024-01-08

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zelario @zelario4f.bsky.social · 06/06/2025

Prospect Creek, AK 2024-01-07

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zelario @zelario4f.bsky.social · 17/05/2025

函数杯 seed is my favorite ssg seed of all time

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zelario @zelario4f.bsky.social · 30/04/2025

Summer Eledeni - haven't had a lot of time to work on my worldbuilding projects, so here's filler content instead

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zelario @zelario4f.bsky.social · 21/04/2025

quick doodle of iari from drehmal rekindled

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zelario @zelario4f.bsky.social · 18/04/2025

**big sigh** K2-18b DMS "detection" is probably the worst astro scicomm fuckup ive seen in the past couple years and thats really saying something

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zelario @zelario4f.bsky.social · 05/04/2025

I’ve had a backlog of unlisted stuff on my YouTube channel for a while for personal reasons - most of it should be public now !

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zelario @zelario4f.bsky.social · 14/03/2025

not to be mean but can avi loeb please shut up

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zelario @zelario4f.bsky.social · 11/03/2025

have you ever eaten an oreo upside down

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zelario @zelario4f.bsky.social · 10/03/2025

rare zelario art post yoyrh v2 with new clouds rendered in celestia postprocessed in gimp

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zelario @zelario4f.bsky.social · 02/03/2025

2024-01-06 - Fairbanks, AK

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zelario @zelario4f.bsky.social · 03/12/2024

Umbriel, moon of Uranus (flyby) - Jan 24 1986 this is an old processing I had posted to Flickr but never posted on BSky before - I should post more image processing stuff :) #planetaryscience

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zelario @zelario4f.bsky.social · 19/11/2024

i may have forgotten to open this app for a couple of months oopsie

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Patrick Vallely @pjvphotography.bsky.social · 05/02/2024

Smh TESS robbed again

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zelario @zelario4f.bsky.social · 31/12/2023

Ariel, moon of Uranus - January 24th, 1986 from NASA's Voyager 2 spacecraft 🔭 This view is close to true color and brightness as the human eye would see it (yep, Ariel is gray...) This view was made from a composite of green, clear, and violet frames, and calibrated against published spectral data.

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Celestia @celestiaproject.bsky.social · 25/12/2023

It's Christmas so we thought we'd surprise you with something. We're experimenting with 3D terrain. Yep, 3D terrain like you'd see in SpaceEngine It's by no means complete and probably won't be for a while. Keep an eye on our account so you'll know if we ever need people to test it

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zelario @zelario4f.bsky.social · 15/12/2023

Ganymede from Voyager 2, 8 July 1979 🔭 OGB composite - composite of three color frames and a lower quality clear frame. color and brightness are calibrated against spectral data, and this image should represent the true color and brightness fairly closely.

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zelario @zelario4f.bsky.social · 13/12/2023

no daily phase curve for like the next few days or so i have finals and my brain doesnt want to work sometimes

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zelario @zelario4f.bsky.social · 11/12/2023

Daily Phase Curve DAY 34! 🪐 KELT-14/WASP-122 b (TESS) oops i forgot to do one yesterday Large eclipse, some nice reflection, and probably some ellipsoidal effect as well. Like with the last one I posted, I strongly suspect the asymmetry is probably just bad detrending and not real.

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zelario @zelario4f.bsky.social · 09/12/2023

Daily Phase Curve DAY 33! 🪐 WASP-72 b (TESS) Here we have a Hot Jupiter with a strong ellipsoidal distortion signal. There also seems to be doppler boosting here too, although I suspect this effect is not real and is due to limitations in my data detrending :/. The eclipse is large, about ~113 ppm.

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zelario @zelario4f.bsky.social · 08/12/2023

Daily Phase Curve DAY 32! 🪐 KELT-16 b (TESS) This ultra-short-period Hot Jupiter is one of the few known HJs with a <1d period. The phase curve amplitude and eclipse are large, about 500ppm. Interestingly, I don't see the previously reported ellipsoidal effect with extended mission data.

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zelario @zelario4f.bsky.social · 07/12/2023

Daily Phase Curve DAY 31! 🪐 K2-237 b (Kepler) This K2 Hot Jupiter has one of the largest eclipses of any K2 planet, so it was a surprise when I found that the eclipse of this planet had not been published anywhere! The strong stellar variability makes it impossible to detect the phase curve though.

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zelario @zelario4f.bsky.social · 06/12/2023

Daily Phase Curve DAY 30! 🪐 WASP-92 b (TESS) Wong et al. (2021) were unable to confidently detect the phase curve or secondary eclipse of this planet. With the added Sector 51 data, it's not much better - there's a tentative 180ppm eclipse at phase 0.52 w/2-sigma significance, but no phase curve.

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zelario @zelario4f.bsky.social · 05/12/2023

sorry again! no daily phase curve today, i'm fairly busy, but the series will return tonight :)

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zelario @zelario4f.bsky.social · 04/12/2023

Daily Phase Curve DAY 29! 🪐 KELT-1 b (TESS) This phase curve is made from ONLY Sector 57 data (as opposed to the earlier Sector 17). First identified by Parviainen et al., the lack of secondary eclipse here compared to the reflective atmosphere seen in Sector 17 points to atmospheric variability.

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zelario @zelario4f.bsky.social · 03/12/2023

Daily Phase Curve DAY 28! 🪐 K2-31 b (Kepler) This grazing Hot Jupiter has the largest phase curve out of all of the planets observed by K2. This phase curve contains clear EVs and a tiny bit of reflection, corresponding to an ultra-dark atmosphere with an albedo of 0.02.

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zelario @zelario4f.bsky.social · 03/12/2023

Neptune - August 17th, 1989 from NASA's Voyager 2 spacecraft. 🔭 This color view was composed from three views taken in orange, green, and blue filters, and was specially processed by me against spectral data to represent the true color of Neptune as it would appear to human eyes.

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zelario @zelario4f.bsky.social · 02/12/2023

Daily Phase Curve DAY 27! 🪐 TOI-1444 b (TESS) This hot super-earth is in a near-CVZ system which means the amount of lightcurve data for this target is really large! Even then, correlated noise prevents us from detecting the eclipse securely, but the phase variation is nicely detected!

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