🔭🧪 JWST | HH211 Kinematics 2025-01-24 Principal Investigator: Thomas Ray Program info: www.stsci.edu/jwst-program... Source: yuval-harpaz.github.io/astro/jwst_l... NIRCAM f444w,f210m,f210m,f212n #NASA / #ESA / #CSA / #STScI / Jackie Branc #JWST #HH211

🔭 JWST Program 6035 - Hidden Clusters No More! Completing a Full Cluster Catalog from NUV to MIR in *The Extreme* Star-Forming and Dusty Galaxy NGC 1614: www.stsci.edu/jwst-program... target: NGC1614, released: 2026-01-25 NASA, ESA, CSA, STSci/ #JWST NIRCam 410, 277, 182

🤖 image processing for #JWST 🔭 data (LRLL54361-OFFSET). RGB Filters: 1000, 770, 560 PI: Muzerolle Page, James, program 05405. CRVAL: 55.955842, 32.04626 Credits: NASA, ESA, CSA, STScI.

Some gravitational lenses from DESI DR1 imaged with #Hubble WFC3 (F606W+F814W). program: archive.stsci.edu/proposal_sea... DESI: @desisurvey.bsky.social

more views of the Helix Nebula

Helix Nebula as seen by NIRCam. #JWST I liked the second image; the inverted colors make it look incredible. Each image reached a size of 400 megabytes.

🔭 #JWST Program 6557 - Imaging dust knots in a planetary nebula: www.stsci.edu/jwst-program... target: PN_edge, released: 2026-01-20 JWST NIRCam 444-470, 356, 187+115 NASA, ESA, CSA, STSci

JWST 🔭 data from the Helix Nebula was published, look-up those images and zoom in, this is something else. Here I combined 3 of 6 filters, the bluer ones were noisier Credits: NASA, ESA, CSA, STScI.

James #Webb Space Telescope #JWST Imaging dust knots in a planetary nebula TARG: #NGC7293 #Helix Nebula 2024-10-24 PI: Garcia Marin, Macarena NIRCAM 444-470 444 356 212 187 115 yuval-harpaz.github.io/astro/jwst_l... NASA/ESA/CSA/STScI/j. Roger

Did you know that processing a #NASAWebb image from data to finish can take anywhere from four hours to two months depending on the complexity of the observation? Check out all the details about how the images are made at STScI: https://go.nasa.gov/4pi2Rny

🔭 JWST Program 6213 - Unraveling cosmic dust origins: JWST revelations from legacy observations of SN 2023dbc: www.stsci.edu/jwst-program... target: SN2023dbc, released: 2026-01-16 NASA, ESA, CSA, STSci/ #JWST MIRI 2100, 1800, 1500

#Comet C/2025 K1 (ATLAS) with #JWST MIRI (F1000W), showing the process of the comet breaking up. 🔭 commons.wikimedia.org/wiki/File:C2...

🔭 JWST Program 12488 - Testing the volatile variability of fragmenting Oort cloud comet C/2025 K1 ATLAS: www.stsci.edu/jwst-program... target: C2025K1-NO-OFFSET-V2, released: 2026-01-17 NASA, ESA, CSA, STSci/ #JWST MIRI 1800, 1000

"Plantlike designs on pottery made almost 8,000 years ago may be the earliest evidence yet of mathematical thinking."

🔭 JWST Program 6882 - Vast Exploration for Nascent, Unexplored Sources (VENUS): www.stsci.edu/jwst-program... target: A521, released: 2026-01-15 NASA, ESA, CSA, STSci/ #JWST NIRCam 410, 300, 150

I cleaned most of the noise for the Gravitationally Lensed Quasar COOLJ0335-1927. It is a red spot appearing vertically three times, see here for more: scispace.com/pdf/cool-lam...

James #Webb Space Telescope #JWST Vast Exploration for Nascent, Unexplored Sources (VENUS) TARG: #A521 2026-01-14 PI: Fujimoto, Seiji NIRCAM 444 410 356 300 277 210 200 150 115 090 yuval-harpaz.github.io/astro/jwst_l... NASA/ESA/CSA/STScI/j. Roger

For the first time, #Copernicus Sentinel-2A has captured night‑time images of Earth, spotting gas flares in the Middle East, wildfires in India and even fishing boats in South Korea. The results from these tests are being used to prepare for Sentinel‑2 Next Generation.

Strong gravitational lensing in the center of #galaxy cluster Abell 521. 🔭 #JWST NIRCam image (F115W, F150W, F200W). program: www.stsci.edu/jwst-program...

Cosmography archives First Approximation to a Chart of the Nubecula Major, or greater Magellanic Cloud. 🧪🔭 by John Herschel (1847) ui.adsabs.harvard.edu/abs/1847raom...

🔭 JWST Program 6882 - Vast Exploration for Nascent, Unexplored Sources (VENUS): www.stsci.edu/jwst-program... target: MJ0416.1-2403, released: 2026-01-10 NASA, ESA, CSA, STSci/ #JWST NIRCam 444, 300, 210

My bot reached 1k followers 🥳 It gets much more traffic than myself, with hundreds of likes and many shares. This makes me proud and almost not jealous at all. But really, I am happy it inspires people and shows how great JWST is

It's time to update the image. #JWST

🔭 JWST Program 12488 - Testing the volatile variability of fragmenting Oort cloud comet C/2025 K1 ATLAS: www.stsci.edu/jwst-program... target: C2025K1-NO-OFFSET-V2, released: 2026-01-10 NASA, ESA, CSA, STSci/ #JWST MIRI 1800, 1000

Crab #pulsar and its environment in Messier 1. #Hubble image (ACS F550M). I added more frames. Same timescale between 2012 and 2016.

James #Webb Space Telescope #JWST Testing the volatile variability of fragmenting Oort cloud comet #ATLAS (C/2025 K1) 2025-12-29 + 2026-01-10 PI Bolin, Bryce 2x MIRI 1800 1000 + NIRCAM 322 250 150 070 yuval-harpaz.github.io/astro/jwst_l... NASA/ESA/CSA/STScI/j. Roger

🔭 Hubble Program 12185 - The Hosts of Megamaser Disk Galaxies: www.stsci.edu/hst-program-... target: NGC-4388, released: 2012-06-08 NASA, ESA, CSA, STSci/ #Hubble WFC3/UVIS 814, 438, 336

Cosmography archives Astronomical Observations relating to the Construction of the Heavens, arranged for the Purpose of a critical Examination, the Result of which appears to throw some new Light upon the Organization of the celestial Bodies. 🧪🔭 by William Herschel (1811)

𝐀𝐧𝐨𝐮𝐧𝐜𝐞𝐦𝐞𝐧𝐭 I am releasing Bluesky Poster, a web app for posting text and images to bsky, while making use of the API's ability to post with rich text, which is still impossible for regular users. The app is in this 🔗Link.

🔭 JWST Program 5627 - Dust and Molecular Gas in Galactic Winds and Fountains: A JWST Survey of Nearby Highly Inclined Starburst and Active Disk Galaxies: www.stsci.edu/jwst-program... target: NGC-5775-IMAGER, released 2026-01-02 NASA, ESA, CSA, STSci/ #JWST MIRI 1500, 1130, 560

James #Webb Space Telescope #JWST A JWST Survey of Nearby Highly Inclined Starburst and Active Disk Galaxies TARG: #NGC 5775 2025-07-01 PI: Veilleux, Sylvain MIRI 1800 1500 1130 770 560 + NIRCAM 335 182 yuval-harpaz.github.io/astro/jwst_l... NASA/ESA/CSA/STScI/j. Roger

🔭 JWST Program 5627 - Dust and Molecular Gas in Galactic Winds and Fountains: A JWST Survey of Nearby Highly Inclined Starburst and Active Disk Galaxies: www.stsci.edu/jwst-program... target: NGC-5775-IMAGER, released 2026-01-02 NASA, ESA, CSA,STSci/ #JWST NIRCam 335, 187

This paper by Vasilyak and Shubralova makes an interesting observation that ELVES #TLE seem to be more likely to occur near tectonic plate boundaries. However, with just 37 events, I'm skeptical of the statistical significance of their results which isn't addressed in the paper at all. 🧪🧵

1/2🧵🟠🟣⚪ "In every object, its previous forms must live on in some rudimentary way", part II - #1, digital #collage model: Dione @dionek.bsky.social The entire project is on my website: tinyurl.com/2vk83fuw Credit : #NASA / #SwRI / #MSSS / Jackie Branc © CC BY #Jupiter #Io #Juno

James #Webb Space Telescope #JWST Vast Exploration for Nascent, Unexplored Sources (VENUS) TARGNAME: #MACSJ0553-3342 DATE-OBS: 2025-12-29 PI: Fujimoto, Seiji NIRCAM 444 410 300 277 150 yuval-harpaz.github.io/astro/jwst_l... NASA/ESA/CSA/STScI/j. Roger

Another visit to Comet C/2025 K1 by #JWST 🔭 Cerdits: NASA, ESA, CSA, STScI.

My image processing of Beta Pictoris with #JWST MIRI. The second brightest star in the constellation #Pictor is surrounded by a debris disk. It also has the so-called "cat's tail", which is the result of the collision of two #planetesimals, ~150 years ago. 🔭 commons.wikimedia.org/wiki/File:Be...

a sighting in the wild

I think this might be one of Santa's deep space elves! 🔭 JWST Program 3429 - One-Stop Shopping: Pan-Metallicity PAH Benchmarking in M101: www.stsci.edu/jwst-program... target: M101-NGC5471, released 2025-06-12 NASA, ESA, CSA, STSci/ #JWST MIRI 2100, 1130,770

Holiday Collection: Cosmic Holiday Greetings From NASA's Chandra X-ray Observatory Four new winter-themed images that contain X-rays from Chandra and data from other telescopes have been released. 🔭🧪 chandra.harvard.edu/photo/2025/h...

James #Webb Space Telescope #JWST A JWST Survey of Nearby Highly Inclined Starburst and Active Disk Galaxies TARGNAME= #NGC4388 2025-06-20 PI_NAME = Veilleux, Sylvain MIRI 1800 1500 1130 770 560 yuval-harpaz.github.io/astro/jwst_l... NASA/ESA/CSA/STScI/j. Roger

🔭 JWST Program 5637 - High-resolution mapping of the very cold superwind in ESO484-036: www.stsci.edu/jwst-program... target: ESO-484-36, released: 2025-12-20 NASA, ESA, CSA, STSci/ #JWST MIRI 2100, 1130, 770

🔭 JWST Program 5627 - Dust and Molecular Gas in Galactic Winds and Fountains: A JWST Survey of Nearby Highly Inclined Starburst and Active Disk Galaxies: www.stsci.edu/jwst-program... target: NGC-4388-IMAGER, released: 2025-12-21 NASA, ESA, CSA, STSci/ #JWST MIRI 1500, 1130, 770

The #galaxy NGC 4388 with #JWST MIRI. 🔭 commons.wikimedia.org/wiki/File:NG...

🔭 JWST Program 12481 - Capturing Planetesimal Chemistry from Fragmenting Oort Cloud Comet C/2025 K1 (ATLAS): www.stsci.edu/jwst-program... target: C2025K1-NOBGREQ, released: 2025-12-20 NASA, ESA, CSA/ #JWST NIRCam 227, 200

3I Atlas and Magical Thinking 🔭 ⬇️

#JWST 🔭 #artadventcalendar #sciart 'Cosmic Wreath' -Corel Painter, Artist's Oils

Boxed Set #C4D #Cinema4D #Redshift #art #cg #cgart #ArtAdventCalendar #Christmas #ChristmasTree #Holidays #Decorations #Ornaments #Astroart #Whimsy #ArtYear #ArtByHumans #CanadianArtist #BCArtist #BlueskyArtists

I was pleased to play a small role in this study of a jet from the protostar SVS13. In an elegant analysis led by Guillermo Blázquez-Calero, Mayra Osorio, & Guillem Anglada of IAA, we detect with ALMA wakes in the outflowing gas due to fluctuations in the jet. www.almaobservatory.org/en/press-rel...