8/28/2023 0 Comments Sky and telescope moon map![]() ![]() ■ While Arcturus is climbing high in the east, equally bright Capella is descending high in the northwest. Look three or four fists lower left of the Moon for Spica, and three fists upper left from Spica for brighter Arcturus. ![]() Denebola is now closer to its upper left, and the Sickle has been left far behind. ■ The Moon continues its eastward advance. Brilliant Sirius in Canis Major is below, and Procyon in Canis Minor is high above it. ■ At this time of year, the two Dog Stars stand vertically aligned around the end of twilight. Twice as far to the Moon's lower left is Denebola, Leo's tail-tip. ■ Now the gibbous Moon forms an equilateral triangle with Regulus and Algieba (for North America), 8° on a side. You'll need clear air to see the fainter stars of the Sickle well through the Moon's bright light. Its brightest stars are Regulus below or lower left of the Moon soon after dark (for North America), and Gamma Leonis (Algieba) the same distance left of the Moon. The Sickle is standing upright with its open side to the right. ![]() ■ The Sickle of Leo hooks around the waxing gibbous Moon this evening. The Moon marks the tip of its left branch, and Pollux and Castor give a flourish to the end of its right branch. ■ Sirius, Procyon, the Moon, and the Pollux-Castor pair form an enormous Y in the sky. The belt points left toward Sirius and right toward Aldebaran and, farther on, the Pleiades. ■ Seen soon after dark this week, Orion tilts in the southwest in his spring orientation: striding down to the right, with his belt horizontal. ■ Now the Moon shines left or upper left of Pollux and Castor in the evening. Later this week, Jupiter starts joining the parade down to their lower left. The Venus-Mars-Saturn line will keep lengthening until, by late summer, it will extend all the way across the dawn sky from east to west - always in the same order as here. From now on this line will just get longer and longer. Venus, Mars, and Saturn now form an expanding diagonal line, as shown below. ■ Over and done are the planetary triangles and bunchings that have highlighted the early dawn. The rest of the Arch of Spring consists of Procyon, shining lower left of Pollux and Castor, and Menkalinan and then bright Capella farther to the twins' lower right. ■ The first-quarter Moon this evening forms a tall, nearly isosceles triangle with Pollux and Castor above it: the two top stars of the Arch of Spring. ![]()
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