📷 Mark Johnston from Scottsdale, Arizona A line of filaments march toward the limb of the Sun, which itself is bedecked with multiple prominences in this Hα image. Both phenomena are made of loops and tendrils of plasma that arch off the surface of the Sun; their varying appearance depends on the viewing geometry. TheContinue reading "Prominent filaments"

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Emmanuel Delgadillo from Jalisco, Mexico The Eagle Nebula (M16) is well-known for its dense star-forming pillars of gas and dust — including those in the famed Hubble Space Telescope’s “Fingers of Creation” image. It lies roughly 5,000 light-years away in Serpens. This photographer combined over 14 hours of exposure taken with Hα/OIII and SII/OIII dual-bandContinue reading "The Eagle’s lair"

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Jeffrey Horne, taken from Nashville, Tennessee The Rosette Nebula (NGC 2237–9) is a vast star-forming complex about 5,000 light-years away in Monoceros. This portrait combines 200⅓ hours of SHO data taken from Jan. 1 to April 12, 2026, with a 5-inch f/5.6 scope. The extremely deep exposure reveals myriad delicate tendrils within the nebula, whereContinue reading "Budding stars"

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Carl Parnell, taken from Dawlish, Devon, UK The Jellyfish Nebula (IC 443 or Sharpless 2–248) is the remnant of a supernova that went off some 30,000 years ago in Gemini. Filling the top half of the image is a glowing molecular complex threaded by multiple dark nebula (LDN 1565–8). The supernova debris plowing into thisContinue reading "Sky nettle"

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Marco Wong, taken from Sussex, U.K. The Milky Way’s bright star fields and dense dust lanes arch above the chalk cliffs of Beachy Head and the English Channel in this wide-field nightscape. The photographer used a Canon DSLR and a 28mm f/1.4 lens to take a tracked vertical panorama of five panels of stacked skyContinue reading "Milky Way over Beachy Head"

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📷: Greg Meyer from Phoenix, Arizona The Antenna Galaxies (NGC 4038/9; at left) in Corvus are one of the most famous examples of interacting galaxies. As the two galaxies merge, gravitational tidal forces have flung their stars out into long tails. At right are the galaxy NGC 4027 and its smaller companion NGC 4027A. TheContinue reading "A galactic collision"

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