Pic of the Week: “Another World”

Posted on by onespaceman2000
Image (Credit): 2025 shortlisted photo titled “Another World” by Felix Sproll. (https://reachforthestars.ie/exhibition/)

This week’s image comes from Ireland’s DIAS Reach for the Stars 2025 astronomy photo competition. The 2025 winners have yet to be announced, but the photos are available for the public to view (and vote on until last week).

This shortlisted entry by photographer Felix Sproll is titled “Another World.” It was taken in Dun Laoghaire located in Dublin, Ireland.

This is the story about the image from its creator:

Full moon rising behind Baily Lighthouse on Howth 9km away looking like another planet. I happened to be in Dun Laoghaire when I saw that the full Moon was set to rise on the opposite side of Dublin bay so I ligned it up with Baily Lighthouse at the end of Howth. I calculated the position to get the moon in the centre of the lighthouse when it reached the lighthouse using the photopills app. Nikon Z7ii and tamron 100-400 at 400mm, 1/5sec, ISO 6400, F6.3, minor adjustments in LR.

You can find many other fun images on the competition website. Winners will be announced next month.

Pic of the Week: The Veil Nebula

Posted on by onespaceman2000
Image (Credit): The Veil Nebula as captured by the Hubble Space Telescope. (ESA/Hubble & NASA, R. Sankrit)

This week’s image was captured by the NASA/European Space Agency (ESA) Hubble Space Telescope. The beautiful array of colors in the Veiled Nebula can be found about 2,400 light-years away.

Here is more about the image from NASA:

The remnant of a star roughly 20 times as massive as the Sun that exploded about 10,000 years ago, the Veil Nebula is situated about 2,400 light-years away in the constellation Cygnus. Hubble images of this photogenic nebula were first taken in 1994 and 1997, and again in 2015.

This view combines images taken in three different filters by Hubble’s Wide Field Camera 3, highlighting emission from hydrogen, sulfur, and oxygen atoms. The image shows just a small fraction of the Veil Nebula; if you could see the entire nebula without the aid of a telescope, it would be as wide as six full Moons placed side-by-side.

Although this image captures the Veil Nebula at a single point in time, it helps researchers understand how the supernova remnant evolves over decades. Combining this snapshot with Hubble observations from 1994 will reveal the motion of individual knots and filaments of gas over that span of time, enhancing our understanding of this stunning nebula.

Pic of the Week: WISPR and Solar Winds

Posted on by onespaceman2000
Image (Credit): View of the Sun’s solar winds as captured by the Parker Solar Probe’s WISPR instrument during its record-breaking flyby of the sun on December 25, 2024. (NASA/Johns Hopkins APL/Naval Research Lab)

This week’s image is from the Wide-Field Imager for Solar Probe (WISPR) aboard NASA’s Parker Solar Probe, which was launched in 2018 to observe the Sun. It shows the solar winds in the Sun’s outer atmosphere, or corona. The probe was about 3.8 million miles away from the Sun’s surface.

Here is a little more from NASA regarding the image:

The new WISPR images reveal the corona and solar wind, a constant stream of electrically charged particles from the Sun that rage across the solar system. The solar wind expands throughout of the solar system with wide-ranging effects. Together with outbursts of material and magnetic currents from the Sun, it helps generate auroras, strip planetary atmospheres, and induce electric currents that can overwhelm power grids and affect communications at Earth. Understanding the impact of solar wind starts with understanding its origins at the Sun.

The WISPR images give scientists a closer look at what happens to the solar wind shortly after it is released from the corona. The images show the important boundary where the Sun’s magnetic field direction switches from northward to southward, called the heliospheric current sheet. It also captures the collision of multiple coronal mass ejections, or CMEs — large outbursts of charged particles that are a key driver of space weather — for the first time in high resolution.

Check out this helpful video from NASA describing the mission of the Parker Solar Probe.

Pic of the Week: Open Clusters NGC 460 and NGC 456

Posted on by onespaceman2000
Image (Credit): Open clusters NGC 460 and NGC 456 within the Small Magellanic Cloud, a dwarf galaxy orbiting the Milky Way. (NASA, ESA, and C. Lindberg (The Johns Hopkins University); Processing: Gladys Kober (NASA/Catholic University of America))

This week’s image combines images from the James Webb Space Telescope (JWST) and the Hubble Space Telescope to create a compressive view of open clusters NGC 460 and NGC 456, which are located within the Small Magellanic Cloud orbiting the Milky Way. If you go to the NASA website hosting this image, you can see the original JWST and Hubble images that were combined to create that you see above.

Here is a little more from NASA explaining what you are seeing:

A riotous expanse of gas, dust, and stars stake out the dazzling territory of a duo of star clusters in this combined image from NASA’s Hubble and Webb space telescopes.

Open clusters NGC 460 and NGC 456 reside in the Small Magellanic Cloud, a dwarf galaxy orbiting the Milky Way. Open clusters consist of anywhere from a few dozen to a few thousand young stars loosely bound together by gravity. These particular clusters are part of an extensive complex of star clusters and nebulae that are likely linked to one another. As clouds of gas collapse, stars are born. These young, hot stars expel intense stellar winds that shape the nebulae around them, carving out the clouds and triggering other collapses, which in turn give rise to more stars.

In these images, Hubble’s view captures the glowing, ionized gas as stellar radiation blows “bubbles” in the clouds of gas and dust (blue), while Webb’s infrared vision highlights the clumps and delicate filamentary structures of dust (red). In Hubble images, dust is often seen silhouetted against and blocking light, but in Webb’s view, the dust – warmed by starlight – shines with its own infrared glow. This mixture of gas and dust between the universe’s stars is known as the interstellar medium.

Pic of the Week: Spiral Galaxy UGC 11397

Posted on by onespaceman2000
Image (Credit): The spiral galaxy UGC 11397 as captured by the Hubble Space Telescope. (ESA/Hubble & NASA, M. J. Koss, A. J. Barth)

This week’s image is from the Hubble Space Telescope. It is an image of the spiral galaxy UGC 11397, which is located about 250 million years light-years away.

At the time the light we are now seeing left UGC 11397, the Earth was a very different place. It was dealing with the Permian–Triassic mass extinction, also called the Great Dying. During this period about 94 percent of marine species and 70 percent of terrestrial vertebrate families disappeared from the planet.

Anyway, getting back to the image itself, here is a little more information from NASA to explain what you are seeing:

What sets UGC 11397 apart from a typical spiral lies at its center, where a supermassive black hole containing 174 million times the mass of our Sun grows. As a black hole ensnares gas, dust, and even entire stars from its vicinity, this doomed matter heats up and puts on a fantastic cosmic light show.

Material trapped by the black hole emits light from gamma rays to radio waves, and can brighten and fade without warning. But in some galaxies, including UGC 11397, thick clouds of dust hide much of this energetic activity from view in optical light. Despite this, UGC 11397’s actively growing black hole was revealed through its bright X-ray emission — high-energy light that can pierce the surrounding dust. This led astronomers to classify it as a Type 2 Seyfert galaxy, a category used for active galaxies whose central regions are hidden from view in visible light by a donut-shaped cloud of dust and gas.