Markarian’s Chain

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M13 is one of the most photogenic and popular globular clusters, and it’s pretty easy to see with nothing more than a pair of binoculars if you know where to look! But it’s even prettier with a long exposure – this is about 3 hours of exposure time. Blow it up to full size, and…

The Rosette Nebula is about 5,000 light-years away in the constellation Monoceros. It’s the birthplace of the cluster of stars it contains. While it doesn’t look much like a Rose in this view, the false-color narrowband image below brings out more of its structure. 7 1/2 hours of total exposure time, on New Year’s Eve…

The larger galaxy in this image goes only by the boring name “M106”, but it’s anything but boring. About 23 million light-years away, M106 is pretty similar to Andromeda in its size and brightness. But M106 is a lot weirder. In addition to its slightly warped shape, M106 is the home of a giant water-vapor…

Try saying that three times fast! Fortunately, the “Silver Sliver Galaxy” has a formal name that’s easier to pronounce: NGC 891. It’s about 30 million light-years away, and is thought to be very similar to what our own Milky Way galaxy would look like when viewed edge-on. Explore the wider-field image; click on it for…

The amateur astronomy community is pretty excited at Mars lately – it’s nearing its closest approach to Earth right now, and this one’s even closer than usual. That means some of the best viewing and imaging opportunities for the Red Planet you’ll ever get. When the skies clear and the atmosphere is still, it’s an…