Kevin M. Gill
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kevinmgill.bsky.social
Kevin M. Gill
@kevinmgill.bsky.social
8.2K followers 480 following 2.3K posts
Engineer, data wrangler, and martian photographer at NASA-JPL, Los Angeles. Curiosity Rover ECAM PUL. Saturn native, commutes to Jupiter. USMC vet. Opinions are mine https://apoapsys.com
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Kevin M. Gill @kevinmgill.bsky.social · Nov 9
Welcome to BlueSky! I’m Kevin, a software and spaceflight operations engineer at NASA/JPL.

I’m also an expert in planetary image processing and have worked with a number of missions both professionally and as citizen science.

I’ll share space imagery and art as I process it!
The Perseverance Rover Saturn from Cassini Jupiter from Juno “Living Mars” showing a lush biosphere on Mars
Reposted by Kevin M. Gill
ridingrobots.bsky.social
Started / going

Here's a view of Jupiter from NASA's Juno spacecraft, now in orbit there. science.nasa.gov/mission/juno

Image processed from raw data by @kevinmgill.bsky.social
Jupiter against the blackness of space. The planet is wrapped in its characteristic horizontal bands of colorful clouds. Photo: NASA/JPL-Caltech/SwRI/MSSS/Kevin M. Gill © cc by
November 10, 2025 at 9:51 PM
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The workspace in front of the Mars Curiosity Rover following its Sol 4711 drive last week.

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Rocks and sand. NASA/JPL-Caltech/MSSS/Kevin M. Gill
November 10, 2025 at 11:08 PM
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Actinolite schist from Acton, CA. Associated with the Pelona-Rand-Orinoco Schist series.

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A rock composed of green needle-like crystal A rock composed of green needle-like crystal A rock composed of green needle-like crystal A rock composed of green needle-like crystal
November 10, 2025 at 1:06 AM
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Sol 1675 Navcam mosaic from the Mars Perseverance Rover. White balanced color.

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Rocks and sand out to the horizon. NASA/JPL-Caltech/Kevin M. Gill
November 9, 2025 at 6:34 PM
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The workspace in front of the Mars Curiosity Rover following its Sol 4709 drive last week.

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Rocks, sand, and rover wheel tracks. NASA/JPL-Caltech/MSSS/Kevin M. Gill
November 9, 2025 at 5:35 PM
Reposted by Kevin M. Gill
nev-t.bsky.social
MSL 4707 CC
© NASA/JPL-Caltech/LANL/CNES/IRAP/NeV-T

Gigapan - gigapan.com/gigapans/238...
GIGAmacro - viewer.gigamacro.com/view/BGXaoY6...
Gigapan Website - www.nev-t-gigamacros.com
#Mars #science #NASA
November 4, 2025 at 11:20 PM
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Some actinolite, amphibole, and serpentines I found today in Acton, CA.

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Actinolite rock Amphibole of some sort Amphibole Serpentine rock
November 3, 2025 at 12:02 AM
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I was rockhounding but I found a bone 🦴
A bone among some colorful gravel
November 2, 2025 at 9:18 PM
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Let’s gooooooo Dodgers!!!!
November 2, 2025 at 4:26 AM
Reposted by Kevin M. Gill
hourlycosmos.bsky.social
The Magnificent Neptunian System - From Rolf Wahl Olsen - https://flic.kr/p/nix1x1
Voyager 2 Data Revisited This image is made from data acquired during Voyager 2's closest approach to Neptune on August 25, 1989. Visible is the backlit planet viewed from Voyager 2 on its way out of the Solar System after the spacecraft had passed closest approach. The crescent shape of Neptune shows bright cirrus clouds and a dark band encircling the South Pole region, as well as a cyclonic structure at the pole itself, perhaps similar in nature to Saturn's now famous hexagon. Encircling the planet is the very faint ring system and the three bright ring arcs in the Adams ring; Liberté, Égalité and Fraternité, which were discovered by Voyager 2 during the fly-by. To my knowledge a comprehensive high resolution image of the entire Neptunian system has never been released. However, image data for both the planet itself as well as the ring system and the largest moon Triton, taken within fairly short intervals from similar vantage points, do exist in NASA image archives. To produce the image I scoured the Voyager 2 image data freely available from NASA's Planetary Data System. I was able to find raw images of a crescent Neptune showing intriguing cloud bands around the South Pole. No complete image of the ring system exist, but based on available long exposure images of portions of the rings I was able to create a model of the density profile. I then fitted this model around the crescent planet to get a complete view, in accordance with the viewing angle as seen in the...
November 2, 2025 at 1:00 AM
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Some chlorite-actinolite-biotite schist I found nearby in the Sierra Pelonas.

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A rock A rock A rock Still just a rock, calm down.
November 1, 2025 at 9:56 PM
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Found a brown widow spider in my garage. After some pictures, it is no longer in my garage….
A gross spider hanging upside down on a crappy web. I’m not kidding, she did a really lousy job building that thing. It was awful, like she was drunk when she made it. Dumb spider. Either way, I introduced her to the bottom of my shoe so she is no longer among the living.
October 31, 2025 at 11:55 PM
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Liam’s wearing my old cammies to school today for Halloween ❤️
A smart handsome, dare I say awesome, boy wearing a US Marines camouflage uniform
October 31, 2025 at 4:55 PM
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Comet C/2025 R2 Swan on October 24th. This is processed from 14.5 minutes of integration across 28 images in PixInsight and Photoshop.

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A greenish comet coma among many stars
October 31, 2025 at 12:05 AM
kevinmgill.bsky.social
New profile pic: Me trying (and probably failing) to look cool in shadow.
A wall of talc and bits of schist. Dry shrubs at the lower left and upper right corners. The shadow of a person, me, is on the wall. The shadow is wearing a booney hat because his stupid bald head burns super fast in the sun. Fun fact about that: When I was really little I was afraid of bald men. Now I am one. They shaved my head when I went to Marine Corps boot camp (I was 19) and it never quite grew back completely.
October 28, 2025 at 8:05 PM
Reposted by Kevin M. Gill
ridingrobots.bsky.social
Multidisciplinary special collection: Io and other Galilean moons of Jupiter as observed by NASA's Juno mission
agupubs.onlinelibrary.wiley.com/doi/toc/10.1...

JunoCam image of Io and Europa processed by @kevinmgill.bsky.social
Jupiter's moon Io, large in the foreground, and Europa, small in the background, seen in half-full phase against the blackness of space. Photo credit: NASA/JPL-Caltech/SwRI/MSSS/Kevin M. Gill © cc by
October 28, 2025 at 4:12 PM
kevinmgill.bsky.social
Photo I took yesterday of a chalk dudleya(?) succulent that I found in an abandoned quarry.

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A blue/green rosette flowering plant among dry grass, twigs, and rocks.
October 27, 2025 at 10:29 PM
Reposted by Kevin M. Gill
stim3on.bsky.social
#Comet C/2025 A6 #Lemmon in the constellation Boötes, on the evening of October 24th. Captured from the light polluted outskirts of Munich.

16 minutes integration time with my Fujifilm X-S10 and 135mm f4.5 lens (untracked).

#astrophotography 🔭
A starfield with many small and colorful stars is dominated by comet Lemmon which is oriented diagonally in the frame. The comet has a greenish coma and a diffuse yellowish dust tail is pointing up from the nucleus. Layered with the dust tail is the blueish ion-tail which is much narrower and longer, stretching beyond the top of the image. The ion tail shows some slight undulations from changes in the comets activity over time.
October 26, 2025 at 9:38 AM
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Comet C/2025 A6 Lemmon, 48.5 minutes of exposure across 97 images taken from Bear Divide in Los Angeles. This is the first time I’ve processed a comet observation like this so I had to do some quick learning and experimentation. Hopefully I’ll improve on this in the future.

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A comet, tail, and background stars
October 26, 2025 at 8:44 PM
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Again with the telescope and pretzels :-)
A telescope, a camera on a tripod, a chair and bag of tasty pretzels
October 25, 2025 at 1:35 AM
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MAHLI and MastCam images taken by the Mars Curiosity Rover as a before & after of the new “Valle de la Luna” drill site.

The first two images are using MAHLI on Sol 4690 and are white balanced. The third is MastCam used post-drill on Sol 4693.

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A rock with a circular patch cleared of dust. NASA/JPL-Caltech/MSSS/Kevin M. Gill A rock with a circular patch cleared of dust. NASA/JPL-Caltech/MSSS/Kevin M. Gill A rock with a hole drilled into it. The hole is surrounded by a small pile of tailings. NASA/JPL-Caltech/MSSS/Kevin M. Gill
October 21, 2025 at 3:56 PM
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Quick processing of the Triangulum Galaxy (Messier 33) from the imaging we did on Saturday night.

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A galaxy among many stars Credit: Kevin M. Gill/Liam Gill/Andrew Moskal
October 20, 2025 at 8:00 PM
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A reprojected view of Jupiter centered near the border with the Northern Filamentary Region. This uses image data taken by NASA’s JunoCam during the Perijove 26 flyby in April 2020. I created a simulated terrain relief to provide a sense of vertical scale to the cloudtops.

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NASA/JPL-Caltech/SwRI/MSSS/Kevin M. Gill
October 19, 2025 at 8:54 PM
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Telescope, my boy Liam, and a bag of pretzels :-)
October 19, 2025 at 1:46 AM
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Here’s another one from the United Arab Emirates’ Hope Mars Mission orbiter taken on February 10 2025. This is centered over the northern hemisphere Utopia Planitia, a vast and flat impact basin.

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Check out that small (from our perspective) line in the southern hemisphere leading to a crater. That crater is Gale Crater, a once flooded crater centered with Mount Sharp. That’s the home of NASA’s Mars Curiosity Rover, still performing amazing science and making discoveries after all these years. CU/LASP EMM/EXI ITF/Kevin M. Gill
October 18, 2025 at 7:41 PM