When the Curves Line Up publishes skywatching guides that focus on the moon, planets, and the brightest stars. Each article provides clear timing, angular separations, and directional reference points so observers know where and when to look. The site emphasizes careful description and is written for readers who value observational accuracy.
Current Sky Events
2026, September 15-18: Moon Passes Antares: Earthshine, Scorpius, and the Harvest Moon Path
2026, September 15-18: Watch the waxing crescent moon pass Antares, Scorpius, Ophiuchus, and Sagittarius. See earthshine, photograph the lunar crescent, and follow the moon’s path toward the Harvest Moon.
2026, September 17: Mars Passes Pollux Before Sunrise: Watch the Red Planet Align With Twins
September 17, 2026: Before sunrise, Mars passes Pollux in a wide conjunction while Jupiter shines from Cancer. Follow the Red Planet’s eastward march against Gemini as it closes the gap with Jupiter.
2026, September 18: First Quarter Moon Near Sagittarius, Venus in Evening Twilight, Jupiter and Mars Before Sunrise
September 18, 2026: The First Quarter Moon shines near Sagittarius after sunset while brilliant Venus descends into evening twilight. Saturn nears opposition, and Jupiter and Mars dominate the eastern sky before sunrise. by Jeffrey L. Hunt Chicago, Illinois: Sunrise, 6:34 a.m. CDT; Sunset, 6:55 p.m. CDT. Times are calculated by the US Naval Observatory’s MICA…
2026, September 19-23: Moon Waxes Toward Harvest Moon
September 19-23, 2026: The Waxing Gibbous Moon appears farther eastward in front of Sagittarius and Capricornus as the Harvest Moon approaches.
2026, September 19: Venus at Greatest Illuminated Extent: Evening Crescent Grows Larger
September 19, 2026: Venus reaches its greatest illuminated extent tonight, appearing larger through a telescope while showing an evening crescent phase. Learn why the Evening Star shines so brilliantly before sunset.
Venus as an Evening Star, 2026
Venus as an Evening Star
Subscribe to receive email notices for new articles. (Email addresses are not shared or sold.)
LATEST ARTICLES
- 2026, September 27: Daylight Shrinks After the Equinox as Autumn Advances
September 27, 2026: Daylight falls below 12 hours across the northern hemisphere. Learn why daylight and nighttime are not equal at the equinox and how the changing season affects skywatching. - 2026, September 25-29: Harvest Moon and Saturn Share the Autumn Sky During the Season’s First Week
September 25-29, 2026: The Harvest Moon occurs September 26 and appears near Saturn during several evenings. Learn why the moon rises later each night while changing little in altitude after sunset. - 2026, September 25: Watch Mars Align with the Gemini Twins as it Approaches Jupiter
September 25, 2026: Mars lines up with Castor and Pollux before sunrise while Jupiter shines brightly near Regulus. Watch the Red Planet close the gap to the Jovian Giant ahead of their November conjunction. - 2026, September 24: Venus in Bright Twilight While the Harvest Moon Nears Saturn
September 24, 2026: Brilliant Venus shines through bright twilight while the Harvest Moon approaches Saturn. Before sunrise, Jupiter dominates the morning sky and Mars aligns with Castor and Pollux. - 2026, September 23: Venus at Greatest Brilliancy
September 23, 2026: Venus reaches greatest brilliancy tonight as it moves toward inferior conjunction on October 23. Look for the brilliant Evening Star low in the west-southwest during evening twilight.