Jupiter this month forms a big, more-or-less equilateral triangle with Procyon and Pollux. Face southeast after dark, and Procyon is to Jupiter’s lower right. Pollux is to Jupiter’s upper right. […]

The brightest point of light at dusk is Venus in the west. Second-brightest is Jupiter, much higher in the east-southeast. Look to the right of Jupiter by two or three […]

Have another look for Comet Lovejoy! This evening it’s just a fraction of a degree from Delta Cassiopeiae, the second-dimmest star of Cassiopeia’s W pattern. The comet is still 6th […]

On the traditional divide between the winter and spring sky is dim Cancer, marked this year by Jupiter. Wintry Gemini is to its west, and Leo of spring is to […]

You know the season is shifting. As the stars come out, the Big Dipper standing on its handle in the northeast is now as high as Cassiopeia standing on end […]

On Friday morning the 13th, the last-quarter Moon shines to the left of Saturn and the head of Scorpius before and during dawn.

The eclipsing variable star Algol should be at minimum brightness, magnitude 3.4 instead of its usual 2.1, for a couple hours tonight centered on midnight EDT; 9 p.m. PDT. Algol […]

Jupiter this month forms a big, more-or-less equilateral triangle with Procyon and Pollux. Face southeast soon after dark, and Procyon is to Jupiter’s right. Pollux is high above them. Procyon […]

Ganymede, Jupiter’s biggest moon, enters onto Jupiter’s face at 10:10 p.m. EDT and exits at 1:47 a.m. EDT. Its black shadow trails almost three hours behind, crossing Jupiter from 1:05 […]

Now that the Moon is gone from the early-evening sky, have another look for Comet Lovejoy! It’s crossing Cassiopeia and still 6th magnitude, this means it will be visible in […]