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Ryan Kinnett (he/him) Profile picture
@rover_18
Jul 20, 2019 • 3 tweets • 3 min read • Read on X
3 yrs ago, I went on a tangent at work and, using @mrdoob’s #threejs, created a browser-based @MarsCuriosity renderer, synced to actual telemetry and accurately positioned in a @HiRISE DEM, with a realistic sky model based on pdfs.semanticscholar.org/e71c/3683a70f7… Image
I learned yesterday that the #Mars2020 surface ops planning tool developers have incorporated much of my code into next-gen planning tools. Notably, the tactical ops teams will get to enjoy realistic Martian blue sunsets during daily plan reviews. You’re welcome #Mars2020! 😎
Rover model credit goes to the true artists at NASA’s Eyes on the Solar System. eyes.nasa.gov/eyes-on-the-so…

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More from @rover_18

Ryan Kinnett (he/him) Profile picture
Sep 21, 2020
Ugh, fire reestablishing on #MountWilson again, roughly 500 ft NNW of the observatory. #BobcatFire
It's rapidly approaching the repeater towers. Expect an aggressive aerial response shortly.. #BobcatFire
C130 with lead plane inbound, and MD-87 LAT circling.
Read 16 tweets
Ryan Kinnett (he/him) Profile picture
Sep 20, 2020
Not loving this flare-up east of @MtWilsonObs. #BobcatFire
Phos-Chek drop east of @MtWilsonObs #BobcatFire
Read 9 tweets
Ryan Kinnett (he/him) Profile picture
Sep 13, 2020
There are currently zero air assets over #BobcatFire, although it looks like this guy might be waiting for smoke to clear or looking for an entry point west of Santa Anita Cyn. Anyone on the ground in #SierraMadre or #Pasadena have eyes on this one?
via @flightradar24 Image
Looks like they aborted, I’m guessing due to poor visibility. Haven’t heard any mention of it on the radio yet. Image
@LACoFireAirOps copter 17 just flew over me, heading toward #BobcatFire, I think on a mission to refill a water tank for ground crews, per radio. Still no air attack. Image
Read 5 tweets
Ryan Kinnett (he/him) Profile picture
Sep 12, 2020
I built a makeshift air purifier with an HVAC filter & fan. It’s making a big difference, reducing smoke smell & irritation. I’m measuring 50% reduction in particulates after 30 mins, reducing indoor AQI from “very unhealthy” classification to “unhealthy for sensitive groups”. Image
Running ~1hr on/off cycles to compare air quality with/without. Just started 2nd on cycle. I’ll post legit plots later & a writeup on @hackaday.io, but for now, here’s a screenshot of my live preview, showing 2.5um particle counts in ug/m3, with ~50% dip during first on-period. Image
Image
Read 9 tweets
Ryan Kinnett (he/him) Profile picture
Aug 17, 2020
Feels like 50/50 odds you’ll see a horrific accident if you head up Angeles Crest on any given Sat or Sun in the summer. So many car/moto clubs & daredevils getting their kicks.

2 wks ago, I saved a motorcyclist’s life after a reckless BMW coupe ran him off the road. (thread)
I myself came around a blind corner a little fast and had to jam my breaks to avoid hitting the motorcyclist as he was picking his bike up from my lane. I reversed out of the blind curve and put my flashers on to block traffic at the start of the curve.
Just then another speed racer comes down the straight without slowing down. I honk to warn him & the motorcyclist, he honks at me for blocking traffic & speeds around me, full speed in the oncoming lane in a blind curve. Missed the motorcyclist by inches & would’ve killed him.😡
Read 8 tweets
Ryan Kinnett (he/him) Profile picture
Aug 9, 2020
Went out to shoot Mars again last night but it turned into a full-blown Grand Tour. Imaged every planet except Mercury! Plus a few moons I didn’t expect to find.

Starting in the outer solar system, we find gas giants Jupiter, Saturn + Tethys, Uranus, & Neptune + Triton. ImageImageImageImage
Moving inward, here’s an animated view of Mars, rotating about 7 degrees over a span of 30 minutes. By the way, Earth and Mars rotate at similar rates, with Earth spinning about 3% faster.
Purely by coincidence, this view captured Gale Crater, current home of @MarsCuriosity, & Jezero Crater, future home of @NASAPersevere! This view also features landing sites of Viking 2, Beagle 2, & Spirit. ImageImage
Read 7 tweets

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