Discovered by William Herschel in 1783, NGC 3274 is a magnitude +12.8 galaxy located over 20 million light-years away in the constellation of Leo bordering on Leo Minor. The galaxy PGC 213714 is also visible on the upper right of the frame, located some 1.3 billion light-years from Earth. Image credit: ESA/Hubble & NASA, D. Calzetti.This image of the spiral galaxy NGC 3274 comes courtesy of the NASA/ESA Hubble Space Telescope’s Wide Field Camera 3 (WFC3). Hubble’s WFC3 vision spreads from the ultraviolet light through to the near infrared, allowing astronomers to study a wide range of targets, from nearby star formation through to galaxies in the most remote regions of the cosmos.
This particular image combines observations gathered in five different filters, bringing together ultraviolet, visible, and infrared light to show off NGC 3274 in all its glory. As with all of the data Hubble sends back to Earth, it takes advantage of the telescope’s location in space above our planet’s distorting atmosphere. WFC3 returns clear, crisp, and detailed images time after time.
NGC 3274 is a relatively faint galaxy located over 20 million light-years away in the constellation of Leo (The Lion). The galaxy was discovered by William Herschel in 1783. The galaxy PGC 213714 is also visible on the upper right of the frame, located much further away from Earth.
NGC 247 is a relatively small spiral galaxy in the southern constellation of Cetus (The Whale), part of the Sculptor Group around 11 million light-years from us. NGC 247 displays one particularly unusual and mysterious feature — an apparent void in the usual swarm of stars and H II regions in the northern part of its disc that spans almost a third of the galaxy’s total length.
Due for launch in 2020, ESA’s Euclid satellite will set astronomers a huge challenge: to analyse 100,000 strong gravitational lenses. The gravitational deflection of light from distant astronomical sources by interposing massive galaxies can create multiple images of the source that are not just visually stunning, but are also valuable tools for probing our universe.
