hubble photos on Flickr

Hubble sees a maelstrom of glowing gas and dark dust within one of the Milky Way’s satellite galaxies, the Large Magellanic Cloud. via NASA ift.tt/2cfZtVm

at6_trf_sho_heart2015 by rob pfile

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i know what you're thinking: not that thing again! i am here to tell you... yes, that thing again.

it's one of the few DSOs i can actually get time on from my treehouse observatory.

29.3h total,

mount: mach1gto

camera: STT-8300M with astrodon 5nm filters

OTA: at6rc with 0.8x televue reducer.

guiding: FW8G-STT with PHD2

first full project using SGP for automation.

all processing in pixinsight 1.8

Hubble Bubble by Alex . Wendes

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A macro of a glass of coffee, for Macro Monday, on the theme of beverage.

This was my second try at it, as the first try gave me some very lukewarm image. Also had to take a photo, then leave it for a few seconds, then go back, as the lense kept fogging up!

I was originally going to leave this as colour, but popped it into silver efex after color efex, just to see and I really liked it.

Nikon Z6, 18mm Extension Tube, FTZ, Tamron 90mm Macro Lense, Ring FLash,

Exposure X5, Color Efex Pro 4, Silver Efex Pro 2

hubble, bubble (2) by raymondmassey

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Galaxie spirale NGC 634 (Hubble) by photopoésie

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La galaxie spirale NGC 634 (Hubble) est située à 217 millions d'années-lumière de la Terre dans la constellation du Triangle (Triangulum). La finesse des détails et la structure spirale exceptionnellement parfaite de la galaxie en ont fait une cible d'observation privilégiée suite à la disparition violente d'une naine blanche. La supernova de type Ia SN2008a y avait ainsi été repérée et brièvement rivalisé d'éclat avec la galaxie hôte.

Les naines blanches constituent le point final de l'évolution des étoiles dont la masse se situe entre 0,07 et 8 masses solaires, soit 97 % des étoiles de la Voie lactée. Avec toutefois des exceptions, dans un système binaire une naine blanche peut accréter la matière provenant de son étoile compagnon et prendre progressivement du poids. Mais l'étoile peut finir par devenir trop pleine, lorsqu'elle dépasse 1,38 masse solaire. Des réactions nucléaires se déclenchent en produisant d'énormes quantités d'énergie et l'étoile explose en supernova de type Ia.

Cette image a été créée à partir d'images prises avec le canal grand champ de la caméra avancée de Hubble. Ces images ont été obtenues à travers un filtre jaune (F555W, coloré en bleu), combinées avec celles images obtenues à travers des filtres rouge (F625W, coloré en vert) et proche infrarouge (F775W, coloré en rouge). Les temps d'exposition totaux par filtre étaient respectivement de 3 750 s, 3 530 s et 2 484 s, et le champ de vision de 2,5 x 1,5 minute d'arc, soir 0,062° (cf. ESA/Hubble et NASA).

Pour situer la galaxie spirale NGC 634 (Hubble) dans la constellation du Triangle (Triangulum) :

www.flickr.com/photos/7208148@N02/48830268511

Hubble 8548 by Ethan A. Winning

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It's Dog Day Monday again! I can't believe another week has flown bye.

Meet Hubble. All I know is that he was not named after the space station or Edwin Hubble after whom the space station was named. Hubble was a loveable, happy-go-lucky Welsh Corgi that lived right around the corner from us until he and his owners moved out of the Bay Area in 2014. Every time I'd meet him, he'd "smile." Don't get the idea that every dog I'm going to show you is smiling. I'm getting into the more serious group and then, just plain old. And, you know, we get grumpy as dogs, especially the two who I'll be showing you in a few weeks that were 17 when I met them.

Anyway, Happy Dog Day Monday #19. Any day with a dog is a happy one (a gross exaggeration, but not as exaggerated as any day without a dog isn't half as great as a day with one). When you unravel that, go rescue a dog.

Cats are okay, too, but from what I've seen on You Tube (and at my nephew's home), they are usually cantankerous, shredding rugs and couches, and love to throw things off countertops. So do parrots, but at least a parrot will talk to you while you're trying to correct them. Our cockatiel used to sing all the radio commercials he'd learned from the radio while we went to school. That was 61 years ago. My favorite, "Where there's Life, there's Lucky Strikes!"

Hubble Bubble by After-the-Rain

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leaves in the Tarn

Hubble Sequence by Doug

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It's hard to beat a good helical staircase. I like the elliptical shape of this one.

Hubble Friday - Heavy Metal Stars by NASA Goddard Space Flight Center

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Hubble rocks out with heavy metal stars!

This 10.5-billion-year-old globular cluster, NGC 6496, is home to heavy-metal stars of a celestial kind! The stars comprising this spectacular spherical cluster are enriched with much higher proportions of metals — elements heavier than hydrogen and helium are curiously known as metals in astronomy — than stars found in similar clusters.

A handful of these high-metallicity stars are also variable stars, meaning that their brightness fluctuates over time. NGC 6496 hosts a selection of long-period variables — giant pulsating stars whose brightness can take up to, and even over, a thousand days to change — and short-period eclipsing binaries, which dim when eclipsed by a stellar companion.

The nature of the variability of these stars can reveal important information about their mass, radius, luminosity, temperature, composition, and evolution, providing astronomers with measurements that would be difficult or even impossible to obtain through other methods.

NGC 6496 was discovered in 1826 by Scottish astronomer James Dunlop. The cluster resides at about 35,000 light-years away in the southern constellation of Scorpius (The Scorpion).

Image credit: ESA/Hubble & NASA, Acknowledgement: Judy Schmidt

Text credit: European Space Agency

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Hubble Sees a Legion of Galaxies by NASA Goddard Space Flight Center

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Peering deep into the early universe, this picturesque parallel field observation from the NASA/ESA Hubble Space Telescope reveals thousands of colorful galaxies swimming in the inky blackness of space. A few foreground stars from our own galaxy, the Milky Way, are also visible.

In October 2013 Hubble’s Wide Field Camera 3 (WFC3) and Advanced Camera for Surveys (ACS) began observing this portion of sky as part of the Frontier Fields program. This spectacular skyscape was captured during the study of the giant galaxy cluster Abell 2744, otherwise known as Pandora’s Box. While one of Hubble’s cameras concentrated on Abell 2744, the other camera viewed this adjacent patch of sky near to the cluster.

Containing countless galaxies of various ages, shapes and sizes, this parallel field observation is nearly as deep as the Hubble Ultra-Deep Field. In addition to showcasing the stunning beauty of the deep universe in incredible detail, this parallel field — when compared to other deep fields — will help astronomers understand how similar the universe looks in different directions.

Image credit: NASA, ESA and the HST Frontier Fields team (STScI),

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NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.

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Hubble Bubble by David Price

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The geothermal area of Krysuvik Iceland

Copyright David Price

No unauthorised use

Hubble inspects a pair of space oddities by European Space Agency

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This image from the NASA/ESA Hubble Space Telescope shows two of the galaxies in the galactic triplet Arp 248 — also known as Wild's Triplet — which lies around 200 million light-years from Earth in the constellation Virgo. The two large spiral galaxies visible in this image — which flank a smaller, unrelated background spiral galaxy — seem to be connected by a luminous bridge. This elongated stream of stars and interstellar dust is known as a tidal tail, and it was formed by the mutual gravitational attraction of the two foreground galaxies.

This observation comes from a project which delves into two rogues’ galleries of weird and wonderful galaxies: A Catalogue Of Southern Peculiar Galaxies And Associations, compiled by astronomers Halton Arp and Barry Madore, and the Atlas of Peculiar Galaxies, compiled by Halton Arp. Each collection contains a menagerie of spectacularly peculiar galaxies, including interacting galaxies such as Arp 248, as well as one- or three-armed spiral galaxies, galaxies with shell-like structures, and a variety of other space oddities.

Hubble used its Advanced Camera for Surveys to scour this menagerie of eccentric galaxies in search of promising candidates for future observations with the NASA/ESA/CSA James Webb Space Telescope, the Atacama Large Millimeter/submillimeter Array, and Hubble itself. With such a wealth of astronomical objects to study in the night sky, projects such as this, which guide future observations, are a valuable investment of observing time. As well as the scientific merits of observing these weird and wonderful galaxies, they were also — very unusually — selected as Hubble targets because of their visual appeal to the general public!

Credit: ESA/Hubble & NASA, Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA, J. Dalcanton; CC BY 4.0

[Image description: Two spiral galaxies are viewed almost face-on; they are a mix of pale blue and yellow in colour, crossed by strands of dark red dust. They lie in the upper-left and lower-right corners. A long, faint streak of pale blue joins them, extending from an arm of one galaxy and crossing the field diagonally. A small spiral galaxy, orange in colour, is visible edge-on, left of the lower galaxy.]

Hubble Captures a Sparkling Cluster by NASA Goddard Space Flight Center

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This star-studded image from NASA's Hubble Space Telescope depicts globular cluster NGC 6717, which lies more than 20,000 light-years from Earth in the constellation Sagittarius. Globular clusters are roughly spherical collections of stars tightly bound together by gravity.

The bright foreground stars at the center of the image reside between Earth and the cluster, and are distinguished by the crisscross diffraction spikes that form when their light interacts with the structures supporting Hubble’s secondary mirror.

The constellation Sagittarius is in the same area of the night sky as the center of the Milky Way, which is filled with light-absorbing gas and dust. This absorption of light – which astronomers call “extinction” – makes studying globular clusters near the galactic center challenging. To determine the properties of NGC 6717, astronomers relied on a combination of Hubble’s Wide Field Camera 3 and the Advanced Camera for Surveys.

Image credit: ESA/Hubble and NASA, A. Sarajedini

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NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.

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DWB111 HUBBLE. web by shaun

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Propellor Nebula in Cygnus, accretion disc snd bi polar outflow distorted poss by second star

Hubble Spies a Hidden Galaxy by NASA's Marshall Space Flight Center

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Spiral galaxy IC 342, also known as Caldwell 5, is located approximately 11 million light-years from Earth. This sparkling, face-on view of the center of the galaxy displays intertwined tendrils of dust in spectacular arms that wrap around a brilliant core of hot gas and stars. This core is a specific type of region called an H II nucleus – an area of atomic hydrogen that has become ionized. Such regions are energetic birthplaces of stars where thousands of stars can form over a couple million years. Each young, extremely hot, blue star emits ultraviolet light, further ionizing the surrounding hydrogen.

Despite its relatively bright 8.4 magnitude, this galaxy doesn’t stand out in the sky. It appears near the equator of the Milky Way’s pearly disk, which is crowded with thick cosmic gas, dark dust, and glowing stars that all obscure our view. This has earned Caldwell 5 the nickname of the Hidden Galaxy.

Were it not obscured by so much interstellar matter, the Hidden Galaxy would be one of the brightest galaxies in our sky. A relatively close galaxy, it is roughly 50,000 light-years across and billions of years old.

Image credit: NASA, ESA, P. Sell (University of Florida), and P. Kaaret (University of Iowa); Image processing: G. Kober (NASA Goddard/Catholic University of America)

#NASA #NASAMarshall #Hubble #HST #galaxy

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Nébuleuse planétaire NGC 2899 (Hubble) by photopoésie

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La nébuleuse planétaire NGC 2899 est située à 4 500 années-lumière de la Terre et à 25 895 années-lumière du centre galactique dans la constellation australe des Voiles (Vela). Cet objet présente un flux de gaz cylindrique, bipolaire et diagonal propulsé par le rayonnement et les vents stellaires d'une naine blanche située en son centre. En réalité, deux étoiles compagnes pourraient interagir et sculpter la nébuleuse, pincée en son centre par un anneau fragmenté (tore) qui ressemble à un beignet à moitié mangé. Elle présente une forêt de "piliers" gazeux pointant vers la source du rayonnement et des vents stellaires. Ses couleurs proviennent de l'hydrogène et de l'oxygène brillants (cf. NASA, ESA, STScI ; Image Processing : Joseph DePasquale STScI).

Pour situer la nébuleuse planétaire NGC 2899 (Hubble) dans la constellation australe des Voiles (Vela) :

www.flickr.com/photos/7208148@N02/48911641913

Hubble Spots a Galaxy with Tendrils by NASA's Marshall Space Flight Center

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This image taken with the NASA/ESA Hubble Space Telescope shows JO204, a ‘jellyfish galaxy’ so named for the bright tendrils of gas that appear in this image as drifting lazily below JO204’s bright central bulk. The galaxy lies almost 600 million light-years away in the constellation Sextans. Hubble observed JO204 as part of a survey performed with the intention of better understanding star formation under extreme conditions.

While the delicate ribbons of gas beneath JO204 may look like floating jellyfish tentacles, they are in fact the outcome of an intense astronomical process known as ram pressure stripping. Ram pressure is a particular type of pressure exerted on a body when it moves relative to a fluid. An intuitive example is the sensation of pressure you experience when you are standing in an intense gust of wind – the wind is a moving fluid, and your body feels pressure from it. An extension of this analogy is that your body will remain whole and coherent, but the more loosely bound things – like your hair and your clothes – will flap in the wind. The same is true for jellyfish galaxies. They experience ram pressure because of their movement against the intergalactic medium that fills the spaces between galaxies in a galaxy cluster. The galaxies experience intense pressure from that movement, and as a result their more loosely bound gas is stripped away. This gas is mostly the colder and denser gas in the galaxy – gas which, when stirred and compressed by the ram pressure, collapses and forms new stars in the jellyfish’s beautiful tendrils.

Image Credit: ESA/Hubble & NASA; M. Gullieuszik and the GASP team

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Hubble Sees a “Behemoth” Bleeding Atmosphere Around a Warm Exoplanet by NASA Goddard Space Flight Center

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Astronomers using NASA’s Hubble Space Telescope have discovered an immense cloud of hydrogen dubbed “The Behemoth” bleeding from a planet orbiting a nearby star. The enormous, comet-like feature is about 50 times the size of the parent star. The hydrogen is evaporating from a warm, Neptune-sized planet, due to extreme radiation from the star.

This phenomenon has never been seen around an exoplanet so small. It may offer clues to how other planets with hydrogen-enveloped atmospheres could have their outer layers evaporated by their parent star, leaving behind solid, rocky cores. Hot, rocky planets such as these that roughly the size of Earth are known as Hot-Super Earths.

“This cloud is very spectacular, though the evaporation rate does not threaten the planet right now,” explains the study’s leader, David Ehrenreich of the Observatory of the University of Geneva in Switzerland. “But we know that in the past, the star, which is a faint red dwarf, was more active. This means that the planet evaporated faster during its first billion years of existence because of the strong radiation from the young star. Overall, we estimate that it may have lost up to 10 percent of its atmosphere over the past several billion years.”

Caption: This artist's concept shows "The Behemoth," an enormous comet-like cloud of hydrogen bleeding off of a warm, Neptune-sized planet just 30 light-years from Earth. Also depicted is the parent star, which is a faint red dwarf named GJ 436. The hydrogen is evaporating from the planet due to extreme radiation from the star. A phenomenon this large has never before been seen around any exoplanet.

Credits: NASA, ESA, and G. Bacon (STScI)

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NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.

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Hubble’s Majestic Spiral in Pegasus by NASA Goddard Space Flight Center

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This NASA/ESA Hubble Space Telescope image shows a spiral galaxy known as NGC 7331. First spotted by the prolific galaxy hunter William Herschel in 1784, NGC 7331 is located about 45 million light-years away in the constellation of Pegasus (the Winged Horse). Facing us partially edge-on, the galaxy showcases its beautiful arms, which swirl like a whirlpool around its bright central region.

Astronomers took this image using Hubble’s Wide Field Camera 3 (WFC3), as they were observing an extraordinary exploding star — a supernova — near the galaxy’s central yellow core. Named SN 2014C, it rapidly evolved from a supernova containing very little hydrogen to one that is hydrogen-rich — in just one year. This rarely observed metamorphosis was luminous at high energies and provides unique insight into the poorly understood final phases of massive stars.

NGC 7331 is similar in size, shape and mass to the Milky Way. It also has a comparable star formation rate, hosts a similar number of stars, has a central supermassive black hole and comparable spiral arms. The primary difference between this galaxy and our own is that NGC 7331 is an unbarred spiral galaxy — it lacks a “bar” of stars, gas and dust cutting through its nucleus, as we see in the Milky Way. Its central bulge also displays a quirky and unusual rotation pattern, spinning in the opposite direction to the galactic disk itself.

By studying similar galaxies we hold a scientific mirror up to our own, allowing us to build a better understanding of our galactic environment, which we cannot always observe, and of galactic behavior and evolution as a whole.

Credit: ESA/Hubble & NASA/D. Milisavljevic (Purdue University)

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NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.

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Hubble Captures Extraordinarily Bright Interacting Galaxies by Ken Tompkins

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Hubble Marks 30 Years in Space With Tapestry of Blazing Starbirth by NASA Hubble Space Telescope

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NASA is celebrating the Hubble Space Telescope's 30 years of unlocking the beauty and mystery of space by unveiling a stunning new portrait of a firestorm of starbirth in a neighboring galaxy.

In this Hubble portrait, the giant red nebula (NGC 2014) and its smaller blue neighbor (NGC 2020) are part of a vast star-forming region in the Large Magellanic Cloud, a satellite galaxy of the Milky Way, located 163,000 light-years away. The image is nicknamed the "Cosmic Reef," because it resembles an undersea world.

Thirty years ago, on April 24, 1990, Hubble was carried aloft from NASA's Kennedy Space Center in Florida aboard the space shuttle Discovery, along with a five-astronaut crew. Deployed into Earth orbit a day later, the telescope opened a new eye onto the cosmos that has been transformative for our civilization.

Hubble is revolutionizing modern astronomy, not only for scientists, but also by taking the public on a wondrous journey of exploration and discovery. Hubble's never-ending, breathtaking celestial snapshots provide a visual shorthand for Hubble's top scientific achievements. Unlike any space telescope before it, Hubble made astronomy relevant, engaging and accessible for people of all ages. The space telescope's iconic imagery has redefined our view of the universe and our place in time and space.

"Hubble has given us stunning insights about the universe, from nearby planets to the farthest galaxies we have seen so far," said Thomas Zurbuchen, associate administrator for science at NASA Headquarters in Washington, D.C. "It was revolutionary to launch such a large telescope 30 years ago, and this astronomy powerhouse is still delivering revolutionary science today. Its spectacular images have captured the imagination for decades, and will continue to inspire humanity for years to come."

Unencumbered by Earth's blurring atmosphere, the space observatory unveils the universe in unprecedented crystal-clear sharpness across a broad range of wavelengths, from ultraviolet to near-infrared light.

Hubble's top accomplishments include measuring the expansion and acceleration rate of the universe; finding that black holes are common among galaxies; characterizing the atmospheres of planets around other stars; monitoring weather changes on planets across our solar system; and looking back in time across 97% of the universe to chronicle the birth and evolution of stars and galaxies.

Hubble has yielded to date 1.4 million observations and provided data that astronomers around the world have used to write more than 17,000 peer-reviewed scientific publications, making it the most prolific space observatory in history. Its archival data alone will fuel future astronomy research for generations to come.

Hubble's longevity can be attributed to five space shuttle servicing missions, from 1993 to 2009, in which astronauts upgraded the telescope with advanced instruments, new electronics and on-orbit repairs. The venerable observatory, with its suite of cameras and other instruments, is expected to stay operational through the 2020s, in synergy with the upcoming James Webb Space Telescope.

The Hubble Space Telescope is a project of international cooperation between NASA and ESA (the European Space Agency). NASA's Goddard Space Flight Center in Greenbelt, Maryland, manages the telescope. The Space Telescope Science Institute (STScI) in Baltimore conducts Hubble science operations. STScI is operated for NASA by the Association of Universities for Research in Astronomy in Washington, D.C.

For more information: www.nasa.gov/feature/goddard/2020/hubble-marks-30-years-i...

Credits: NASA, ESA and STScI

Hubble’s Cartwheel by NASA's Marshall Space Flight Center

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This is an image of the Cartwheel Galaxy taken with the NASA/ESA (European Space Agency) Hubble Space Telescope.

The object was first spotted on wide-field images from the U.K. Schmidt telescope and then studied in detail using the Anglo-Australian Telescope.

Lying about 500 million light-years away in the constellation of Sculptor, the cartwheel shape of this galaxy is the result of a violent galactic collision. A smaller galaxy has passed right through a large disk galaxy and produced shock waves that swept up gas and dust — much like the ripples produced when a stone is dropped into a lake — and sparked regions of intense star formation (appearing blue). The outermost ring of the galaxy, which is 1.5 times the size of our Milky Way, marks the shock wave’s leading edge. This object is one of the most dramatic examples of the small class of ring galaxies.

Image Credit: ESA/Hubble & NASA

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