Travel to the ends of the Earth to experience a special — but risky — total solar eclipse in Antarctica.
Jupiter and Saturn rise in twilight this week. Mars is a fire-beacon high in the southeast by the beginning of dawn. Venus, low as dawn begins to brighten, passes just 1° from Aldebaran on Saturday and Sunday mornings July 11th and 12th.
Leo the Lion is mostly a constellation of late winter and spring. But he's not gone yet. As twilight ends look due west, somewhat low, for Regulus, his brightest and now lowest star: the forefoot of the Lion stick figure. The Sickle of Leo extends upper right from Regulus. The rest of the Lion's constellation figure extends for almost three fists to the upper left, to his tail star Denebola, the highest. He'll soon be treading away into the sunset.
As we count down the days to official summer (the solstice is June 20th), the big Summer Triangle shines high and proud in the east after dark. Its top star is bright Vega. Deneb is the brightest star to Vega's lower left. Look for Altair farther to Vega's lower right.
FRIDAY, JUNE 5 ■ Catch Mercury in twilight! It's under Pollux and Castor this week, as shown below. Mercury is ending its last good evening showing until winter 2021. Mercury is still visible in the western twilight, under the heads of Gemini, but it's fading. This scene is drawn for…
Everyone loves this cosmic donut. Like Saturn, the Ring Nebula is a must-see for beginners and seasoned amateurs alike. Whether you're just cutting your deep-sky teeth or attempting to see its central star — one of visual astronomy's Holy Grails — the Ring has it all.
Bright Capella is still up in the northwest in twilight, but it sets in the northwest fairly soon after dark. That leaves Vega and Arcturus as the brightest two stars in the evening sky. Both are magnitude 0. Vega shines in the east-northeast. Arcturus is very high toward the south.