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Messier 33
Credit: Giuseppe Donatiello
(J2000) RA: 01h 33m 50.02s Dec: +30° 39′ 36.7″
Messier 33 is a low-luminosity flocculent spiral galaxy at 3 million light-years in Triangulum. It is catalogued also as NGC 598 and known as Triangulum Galaxy. The galaxy is the smallest spiral galaxy in the Local Group and it is believed to be a big satellite of the Andromeda Galaxy.
M33 has two asymmetric faint arms, and an interstellar medium rich in gaseous filaments that extends for about 7 kpc. Although the inner disk is relatively undisturbed, the northern arm is less regular in shape than the southern one. M33, is a bulge-free galaxy with only two optically luminous dwarf galaxies believed to be its satellites: AndXXII (McConnachie et al., 2009; Martin et al., 2016) and Pisces VII (Martínez-Delgado et al., 2022) discovered by me in 2020. However, given its mass, ΛCDM cosmological simulations predict that M33 should host a larger number of satellites, at least 10.
The neutral hydrogen (HI) disk is three times larger than the star-forming disk and is clearly warped. The outer disk has the same inclination as the inner one with respect to our line of sight but the position angle of the major axis changes by about 30 degrees compared to the inner disk and is more aligned with the M31 direction. While M33's undisturbed inner disk indicates that no major collisions between M31 and M33 or between M33 and a satellite have occurred in the past, the distortion could be the result of a flyby about 9 billion years ago. Timing assessments make this scenario unlikely and favor the hypothesis of a first fall of M33 in the region of influence of M31.
One of the things I appreciated when I visited London's new Elizabeth Line is the futuristic stylings of the station architecture. It's like something from a giant spaceship. Hopefully I will get a chance to be there early one morning when there are far fewer people, so I can more easily capture the cold starkness of the tunnels and walkways.
This low-angle shot was facilitated nicely by the tilting rear LCD screen of my Fujifilm X-T2; it's not fully articulated but tilts up 90° which is perfect for this kind of shot. To frame the same composition successfully with my Canon 6D I'd have to be lying on the floor!
The lives of planetary nebulae are often chaotic, from the death of their parent star to the scattering of its contents far out into space. Captured here by the NASA/ESA Hubble Space Telescope, ESO 455-10 is one such planetary nebula, located in the constellation of Scorpius (The Scorpion).
The oblate shells of ESO 455-10, previously held tightly together as layers of its central star, not only give this planetary nebula its unique appearance, but also offer information about the nebula. Seen in a field of stars, the distinct asymmetrical arc of material over the north side of the nebula is a clear sign of interactions between ESO 455-10 and the interstellar medium.
The interstellar medium is the material — consisting of matter and radiation — between star systems and galaxies. The star at the centre of ESO 455-10 allows Hubble to see the interaction with the gas and dust of the nebula, the surrounding interstellar medium, and the light from the star itself. Planetary nebulae are thought to be crucial in galactic enrichment as they distribute their elements, particularly the heavier metal elements produced inside a star, into the interstellar medium which will in time form the next generation of stars.
Credits: ESA/Hubble & NASA, L. Stanghellini; CC BY 4.0
To begin, I just wanted thank everyone again who showed love for my last photo and gave me some knowledge. Although, I’m still a little down or in a weird place. I think creating once again has become one of my strongest forms of letting emotions out. So, with that being said I think I may make a small series using this and my last photo’s style. Really, I want to aim this series with a story line about a boy who is searching for his own kind, someone like him.
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Kress Zearland is the galaxy's leading criminal investigator. His species is known for their keen senses of observation, and logic, ideal qualities for any investigator. He single-handedly solves cases and brings justice to the criminals via his shoulder mounted weapon. With his weapon, he possesses both lethal and non-lethal capabilities.
CROP Interstellar comet Borisov taken remotely on Jan 04 , 2020 from Tiny , Ontario Canada using big T31 PlaneWave 20 "inches - 0.51 m telescope with FLI-PL091000 CCD camera in Siding Spring Observatory in Australia. Full resolution frame 3056 x 3056 /9.3 Megapixels/,Comet brightness 16,5 mag
This is an amazing object a comet from outside our Solar System perhaps formed well before the Sun and our Solar System came to exist. Just passing through our neighborhood, this is the first one of these objects that is easily accessible to amateur telescopes.
This image is 5 min with 11 inch RASA telescope, iTelescope T68
You'd be shortchanging yourself if you didn't occasionally glance upwards while in Lower Manhattan's Financial District. Like here in this shot, deep in the canyon somewhere between towering One WTC (left), The New York Academy of Sciences (right) and the Verizon Corporate office in the centre, you could probably see the stars. It was partly cloudy, so I missed out!
Look for it at Getty Images
Welcome to the Crimea! I recommend the excellent website about Balaklava and tourism in the Crimea: www.mybalaclava.com/
This is the Rosette nebula. It is a cloud of glowing interstellar gas lying 5000 light years from earth and measuring about 130 light years in diameter. It is a site of active star formation The gas cloud is collapsing under the effects of gravity to form new stars - such as those seen towards the centre of the image. In turn as these ignite they cause the surrounding hydrogen gas to glow with its typical (Ha) red colour. In addition the radiation from the hot new stars carves out cavities in the gas producing the dark areas such as the "hole" in the centre of the Nebula. This image was taken with a small (80mm) telescope about 10 feet from my back door. Want to know how it’s done? This is a good place to start - astrobackyard.com/.
spent a week driving in and out of town in seek of documenting the perseid meteor shower 🌠with @surfnsnowboard and @theisaacgibbs. one location i have always wanted to visit was the radar dome. so glad i was finally able to document this soccer-ball like object under the MW🌌. fun fact, i captured a meteor in this photo but instagram’s crop cut it off because i’d have to sacrifice too much foreground. this was also one of my very first shoots on my new 5DMk4. it was a fun week even though my astronomy tracker kept messing up. who knows, maybe i’ll get around to processing more photos from this adventure. ••
Gear/Settings:
Sky: Tracked 120 sec; iso 1600; f/4.0
Foreground: Untracked 15 sec; iso 6400; f/2.8
-Canon EOS 5D Mark IV;
-Canon EF 50mm STM @canonusa -Phottix Aion Wireless Shutter Release from @georges.camera @phottix -@manfrottoimaginemore MK290DUA3 tripod
-@promasterphoto professional SPH45P Ball Head
- @ioptron_telescopes SkyTracker Pro
-Dual Shot Blended
- Processed using @adobe PS & LR
#milkyway #canon #canonusa #mycanonstory #space #nightphotography #astronomy #galaxy #nightscaper #astrophotography #promasterphoto #sandiego #california #meteor #sky @photoshop @lightroom @adobecreativecloud @sandisk CF & SD cards
aboriginal cultural heritage tour of the 'walls of china' section of the lake mungo lunette
mungo national park, part of the willandra lakes world heritage area, new south wales, australia
Depictions of two kinds of dust in space: At left the pyramid-shaped glow of Zodiacal Light caused by sunlight reflecting off interplanetary dust in the inner solar system from comets and meteoroids, while at right is the band of the bright Milky Way, made of stars in our galaxy. But along it lie dark lanes of interstellar dust made of carbon compounds made in the atmospheres of stars and dispersed into the Galaxy.
This is from the Quailway Cottage near Portal, Arizona, on December 14, 2017, looking west to the Chiricahua Mountains of southeast Arizona.
The Summer Triangle stars are setting into the west with Deneb at top, while Vega is at right. Altair is lowest at centre.
The sky is a single 30-second exposure, while the ground is a mean combined stack of 8 30-second exposures to smooth noise, all at f/2.5 with the 14mm lens and Canon 6D MkII at ISO 6400. Not tracked â these were part of a 350-frame time-lapse.
My first time ever shooting the Milky Way, was such a great experience! All alone near the lake, with shimmering stars, calm winds & the possibility of bear attack, kept me on my feet :)
Sony A7II
California, US
The photo above is a single 30 minute (1810 seconds) exposure. A pre-shot at 30 seconds, ISO 3200, wide open aperture was taken, and I did the math to lengthen the exposure to 30 minutes without blowing out the scene. It turned out to be pretty decent, in my opinion. I also did some light painting on the foreground as the moon had already set behind Mount Baker.