This artist’s rendering shows the tidal disruption event named ASASSN-14li, where a star wandering too close to a 3-million-solar-mass black hole was torn apart. The debris gathered into an accretion disk around the black hole.
If you are an astrophotographer, then you may be familiar with the so-called “Star Eater” problem of Sony a7R II. The noise reduction algorithm of the camera mistakes sharp pinpoint stars for noise, so it deletes them from photos or reduces their brightness. But after open letters and complaints from astrophotographers – Sony seems to […]
There’s been a whole lot of new lens announcements lately. This latest pair are coming from Ricoh, with a 50mm f/1.4 full frame prime and an 11-18mm f/2.8 APS-C zoom for Pentax K-Mount. They form the beginning of a new generation of “Star series” lenses aimed specifically super-high resolution photography. Ricoh say that the final […]
If our Sun were near the center of NGC 362, the
Two unusual spots are on the move near the famous Pleiades star cluster.
Wisps like this are all that remain visible of a Milky Way star.
What was happening in the sky during last week’s total solar eclipse?
Behold the largest ball of stars in our galaxy.
A new NASA mission, the Neutron Star Interior Composition Explorer (NICER), is headed for the International Space Station to observe one of the strangest observable objects in the universe. In this photo, NICER’s X-ray concentrator optics are inspected for dust and foreign object debris that could impair functionality once in space.