Found Images: 2022 April

See new, spectacular, or mysterious sky images.
starsurfer
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Re: Found Images: 2022 April

Post by starsurfer » Sat Apr 16, 2022 9:58 pm

NGC 1515
https://noirlab.edu/public/images/iotw2152a/
Copyright: Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA
Processing: T.A. Rector (University of Alaska Anchorage/NSF’s NOIRLab), J. Miller (Gemini Observatory/NSF’s NOIRLab), M. Zamani & D. de Martin (NSF’s NOIRLab)

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Re: Found Images: 2022 April

Post by starsurfer » Sat Apr 16, 2022 10:01 pm

NGC 7640
http://www.capella-observatory.com/Imag ... GC7640.htm
Copyright: Josef Pöpsel, Stefan Binnewies and Frank Sackenheim
NGC7640.jpg

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ESO: Ghostly Galaxies above the VLT (Magellanic Clouds)

Post by bystander » Mon Apr 18, 2022 1:42 pm

Ghostly Galaxies above the VLT
ESO Picture of the Week | 2022 Apr 18
potw2216a[1].jpg
Image Credit: ESO / Mahdi Zamani
Floating in the sky above two of ESO’s Very Large Telescope (VLT) Auxiliary Telescopes are a pair of ethereal shapes. These are the Large and Small Magellanic Clouds — two of the 50 or so satellite galaxies that orbit our more massive Milky Way.

Despite being small compared to the Milky Way, the Magellanic Clouds still contain billions of stars. The Large Magellanic Cloud, in the bottom-right of the image, has a diameter of 14 000 light-years, and the Small Magellanic Cloud in the top-centre is 7000 light-years across. At distances of about 160 000 light-years and 200 000 light-years respectively these satellite galaxies are much closer to the Milky Way than our nearest major galaxy, Andromeda, 2.5 million light-years away, making them some of our closest neighbours.

The faint red emission in the sky is called airglow, and it's light naturally emitted by atoms and molecules high up in the atmosphere, oxygen in this case.

These ghostly galaxies can only be seen in the southern hemisphere, in skies that are unpolluted by light from cities. This is one of the reasons that ESO operates the VLT in the remote Chilean Atacama Desert — so that we can study such beguiling objects as the Magellanic Clouds.
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ESA: Hubble Inspects a Set of Galactic Wings (VV689)

Post by bystander » Mon Apr 18, 2022 2:03 pm

Hubble Inspects a Set of Galactic Wings
ESA Hubble Picture of the Week | 2022 Apr 18
Two merging galaxies in the VV689 system — nicknamed the Angel Wing — feature in this image from the NASA/ESA Hubble Space Telescope. Unlike chance alignments of galaxies which only appear to overlap as seen from our vantage point on Earth, the two galaxies in VV689 are in the midst of a collision. The galactic interaction has left the VV689 system almost completely symmetrical, giving the impression of a vast set of galactic wings.

This angelic image comes from a set of Hubble observations inspecting the highlights of the Galaxy Zoo citizen science project. This crowdsourced astronomy project relied on hundreds of thousands of volunteers to classify galaxies and help astronomers wade through a deluge of data from robotic telescopes. In the process, volunteers discovered a rogues’ gallery of weird and wonderful galaxy types, some of which had not previously been studied. A similar, ongoing project called Radio Galaxy Zoo is using the same crowdsourcing approach to locate supermassive black holes in distant galaxies.

Noteworthy objects from both projects were chosen for detailed follow-up observations with Hubble’s Advanced Camera for Surveys. In keeping with the crowdsourced nature of the Galaxy Zoo project, the targets for follow-up observations with Hubble were chosen via roughly 18 000 votes cast by the public. The selected targets include ring-shaped galaxies, unusual spirals, and a striking selection of galaxy mergers such as VV689.
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Celebrating Hubble's 32nd Birthday (HCG 40)

Post by bystander » Tue Apr 19, 2022 11:43 pm

Celebrating Hubble's 32nd Birthday with an Eclectic Galaxy Grouping
NASA | GSFC | STScI | HubbleSite | 2022 Apr 19

Celebrating Hubble’s 32nd Birthday with a Galaxy Grouping
ESA Hubble Photo Release | 2022 Apr 19
The NASA/ESA Hubble Space Telescope is celebrating its 32nd birthday with a stunning look at an unusual close-knit collection of five galaxies, called the Hickson Compact Group 40. This snapshot reflects a special moment in their lifetimes as they fall together before they merge.

This menagerie includes three spiral-shaped galaxies, an elliptical galaxy and a lenticular (lens-like) galaxy. Somehow, these different galaxies have crossed paths to create an exceptionally crowded and eclectic galaxy sampler.

Caught in a leisurely gravitational dance, the whole group is so crowded that it could fit within a region of space that is less than twice the diameter of our Milky Way’s stellar disc.

Though such galaxy groupings can be found in the heart of huge galaxy clusters, these galaxies are notably isolated in their own small patch of the Universe, in the direction of the constellation Hydra. ...

Hubble Celebrates 32 Years in Orbit
Illuminated Universe | 2022 Apr 19
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Re: Found Images: 2022 April

Post by starsurfer » Wed Apr 20, 2022 10:46 pm

Omega Centauri (NGC 5139)
https://www.astrobin.com/vhala3/
Copyright: Julian Shaw
KG519B2OZ1GW_2560x0_jaUALzhf.jpg

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Re: Found Images: 2022 April

Post by starsurfer » Wed Apr 20, 2022 10:47 pm

Needle Galaxy (NGC 4565)
https://www.astrobin.com/reanmq/B/
Copyright: Nathan Duso
FAS9XmWee66y_2560x0_n1wMX-gx.jpg

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Re: Found Images: 2022 April

Post by starsurfer » Wed Apr 20, 2022 10:49 pm

Sh2-64
https://www.astrobin.com/oxvbdt/
Copyright: Nikita Misiura
FSspHfRWl7OU_2560x0_n1wMX-gx.jpg

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Re: Found Images: 2022 April

Post by starsurfer » Wed Apr 20, 2022 10:51 pm

Trifid Nebula (M20)
https://www.astrobin.com/okvc43/
Copyright: Ariel Cappelletti
ErGjJYvEoo1w_2560x0_POuGbNIF.jpg

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Re: Found Images: 2022 April

Post by starsurfer » Wed Apr 20, 2022 10:52 pm

Cat's Paw Nebula (NGC 6334)
https://www.astrobin.com/h10l4h/
Copyright: Diego Gravinese
INhGV1u2uj2f_2560x0_n1wMX-gx.jpg

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Re: Found Images: 2022 April

Post by starsurfer » Sat Apr 23, 2022 10:35 pm

M64
https://www.chart32.de/index.php/component/k2/item/414
Copyright: CHART32
Processing: Konstantin Buchhold
M64.jpg

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Re: Found Images: 2022 April

Post by starsurfer » Sat Apr 23, 2022 10:39 pm


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ESO: Peeking above the Horizon (La Silla)

Post by bystander » Mon Apr 25, 2022 5:27 pm

Peeking above the Horizon
ESO Picture of the Week | 2022 Apr 25
This image, taken at ESO’s La Silla Observatory in Chile’s Atacama Desert, shows the Milky Way as it peeks above the horizon, with two of the observatory’s telescopes bracketing the starry, dusty band as it stretches across the sky.

To the right stands the domed enclosure of the ESO 3.6-metre telescope and its adjacent smaller sibling, the now-decommissioned Coudé Auxiliary Telescope. To the left is the receiver dish for the Swedish–ESO Submillimetre Telescope, also now decommissioned.

Stretching into the distance to the left, and nearly at the centre of the image, lie the other buildings and telescope enclosures hosted at La Silla, their outlines silhouetted against the glowing sky. Visible in the far distance are city lights which, although faint in absolute terms, can become noticeable over long exposures such as this one. The soft glow of light just to the left of centre, which gently curves through the sky, is called zodiacal light, and it’s sunlight scattered by dust particles in the plane of the Solar System.
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ESA: Hubble Spies a Tenuous Diffuse Galaxy (GAMA 526784)

Post by bystander » Mon Apr 25, 2022 5:50 pm

Hubble Spies a Tenuous Diffuse Galaxy
ESA Hubble Picture of the Week | 2022 Apr 20
The ultra-diffuse galaxy GAMA 526784 appears as a tenuous patch of light in this image from the NASA/ESA Hubble Space Telescope. This wispy object resides in the constellation Hydra, roughly four billion light-years from Earth. Ultra-diffuse galaxies such as GAMA 526784 have a number of peculiarities. For example, their dark matter content can be either extremely low or extremely high — ultra-diffuse galaxies have been observed with an almost complete lack of dark matter, whereas others consist of almost nothing but dark matter. Another oddity of this class of galaxies is their anomalous abundance of bright globular clusters, something not observed in other types of galaxies.

Hubble captured GAMA 526784 with the Advanced Camera for Surveys (ACS), which was installed in 2002 by astronauts during Hubble Servicing Mission 3B. Since then, the instrument has played a pivotal role in some of Hubble’s most impressive scientific results, including capturing the Hubble Ultra Deep Field. The ACS has also photographed Pluto in advance of the New Horizon mission, observed gargantuan gravitational lenses and found fully formed galaxies in the early Universe.

This image comes from a set of Hubble observations designed to shed light on the properties of ultra-diffuse galaxies. Hubble’s keen vision allowed astronomers to study GAMA 526784 in high resolution at ultraviolet wavelengths, helping to gauge the sizes and ages of the compact star-forming regions studding the galaxy.
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Re: Found Images: 2022 April

Post by starsurfer » Mon Apr 25, 2022 10:18 pm

IC 10
https://www.astrobin.com/g432ie/
Copyright: Robert Eder
2yCMG7GQUERT_2560x0_n1wMX-gx.jpg

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Re: Found Images: 2022 April

Post by starsurfer » Mon Apr 25, 2022 10:21 pm

NGC 7129
https://www.flickr.com/photos/cfaobam/49893417326/
Copyright: Carsten Frenzl
49893417326_f45754ac44.jpg

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Re: Found Images: 2022 April

Post by starsurfer » Mon Apr 25, 2022 10:23 pm

WR 134 nebula
https://www.astrobin.com/c8703n/
Copyright: Bernd Steiner
pnh4v8Qb4vWr_2560x0_n1wMX-gx.jpg

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Re: Found Images: 2022 April

Post by starsurfer » Mon Apr 25, 2022 10:25 pm

B142-3
https://www.astrobin.com/ohkcma/
Copyright: Giuseppe Donatiello
dzFp2x4rYl5Y_2560x0_4qxMK-Zm.jpg

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Re: Found Images: 2022 April

Post by starsurfer » Mon Apr 25, 2022 10:27 pm

Hyades
https://www.astrobin.com/t2ervt/B/
Copyright: Neven Krcmarek
2aarZmyVPq-7_2560x0_jaUALzhf.jpg

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NOIRLab: Like Painting with Light (Gemini North)

Post by bystander » Wed Apr 27, 2022 8:22 pm

Like Painting with Light
NOIRLab Image of the Week | 2022 Apr 27
Gemini North, one half of the international Gemini Observatory, a Program of NSF’s NOIRLab, uses a laser beam traveling through Earth’s atmosphere to adjust its adaptive optics. Like many large research telescopes today, Gemini North uses adaptive optics — bending its mirrors to compensate for atmospheric turbulence or “seeing”, which can blur the images of distant objects like stars and galaxies. The laser beam, seen here as a pink-orange stripe on the sky, travels into the upper atmosphere where it creates a bright spot of light that provides a reference point for the telescope to follow, and correct for, the atmospheric turbulence. This long-exposure photograph shows the laser tracking its target near the zenith, appearing to paint the sky with light. The stars appear as trails as they revolve around the north celestial pole during the long exposure.
Know the quiet place within your heart and touch the rainbow of possibility; be
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NGC5139-Omega Centauri

Post by Efrain Morales » Thu Apr 28, 2022 1:24 am

Omega Centauri (ω Cen, NGC 5139, or Caldwell 80) is a globular cluster in the constellation of Centaurus. LX200ACF OTA, F6.3, CGE Mount, ASI183m Pro Cmos, Astronomik LRGB filter set.)
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NGC5139-042622-0313_L13mRGB10m_EMr.jpg

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Re: Found Images: 2022 April

Post by starsurfer » Sat Apr 30, 2022 10:11 pm

NGC 6633
http://www.capella-observatory.com/Imag ... GC6633.htm
Copyright: Stefan Binnewies, Rainer Sparenberg and Josef Pöpsel
NGC6633.jpg

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NGC 5128 - April 29th

Post by Efrain Morales » Sun May 01, 2022 8:07 pm

Centaurus A (also known as NGC 5128 or Caldwell 77) on April 29th. NGC 5128 is one of the closest radio galaxies to Earth. ( LX200ACF OTA, F6.3, CGE Mount, ASI183m Pro Cmos, Astronomik LRGB filter set.)
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NGC5128-042822-LUM1hr30m-RGB30m-EMr.jpg

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