This Week’s Sky at a Glance, May 14 – 22

The crescent Moon waxes across the evening sky, pairing with Mars in upright-standing Gemini and then, four days later, with Leo’s forefoot Regulus. In a telescope, Jupiter and Saturn are becoming not quite so fuzzy as they gain more altitude in early dawn. The post This Week's Sky at a Glance, May 14 – 22 appeared first on Sky & Telescope.

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This Week’s Sky at a Glance, May 7 – 15

Mercury and low Venus adorn the west after sunset, with the crescent Moon soon to join them. Night brings the big Diamond of Virgo and Summer Triangle. Nova Cassiopeiae rebrightens. And Comet Atlas is in evening view with a 6-inch telescope. The post This Week's Sky at a Glance, May 7 – 15 appeared first on Sky & Telescope.

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Hunting Barnard’s Variable in the Globular Cluster M3

We beat a path through a forest of stars to find the first variable star ever discovered in a globular star cluster. The post Hunting Barnard's Variable in the Globular Cluster M3 appeared first on Sky & Telescope.

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