Skywatching Guides for Planets, Moon, and Stars

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 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 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.

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 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 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 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.


Venus as an Evening Star, 2026

Venus as an Evening Star, 2026
Chart Caption – The chart shows the setting time of the planets, bright stars, and moon in the western sky compared to sun. Two planets rising times are compared to sunset.

Venus as an Evening Star

Venus Special Report



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