September 5 / First Quarter Moon
Halfway to the Full Moon phase we will be able to half the lunar surface, an ideal phase to appreciate the craters of our natural satellite. Geocentric distance: 379 274 km.
September 6 / The Moon and Jupiter in Conjunction
The Moon will pass at 2 ° 18 'north of Jupiter, in the direction of the constellation Ophiuchus. Configuration not visible. However, it will be appreciated that they are relatively close on the night of September 5. Being the two brightest stars on the Moon, they will undoubtedly catch the eye of observers.
September 8 / The Moon and Saturn in conjunction
The Moon will pass at 0 ° 02 'south of Saturn, in the direction of the constellation Sagittarius. Sharing the same area of the sky in the aforementioned constellation, these two stars can be seen without problems, but the moment of their closest approach cannot be seen in Mexico.
September 10 / Neptune in opposition
The planet Neptune in opposition in the direction of the constellation Aquarius. Neptune will be visible most of the night in a southwesterly direction, unfavorable due to the presence of the Moon. It will be the moment of closest approach between this planet and Earth this year.
September 13 / Full Moon at its peak
Geocentric distance: 406 383 km. Angular size of the Moon: 29.4 arc minutes. This is the moment of maximum departure from our natural satellite in a lunar orbit.
September 21 / Last Quarter Moon
Geocentric distance: 381 638 km. Angular size of the Moon: 31.3 arc minutes. On Last Quarter nights, our natural satellite joins the night sky around midnight.
September 23 / Autumn Equinox
Second time of the year where the length of day and night are equivalent.
• The fall season officially begins.
September 24 / The Moon and M44 in conjunction
Closest approach of the Moon and the cluster M44; the Moon will pass 0 ° 4 2 'north of M44 in the constellation Cancer.
Configuration not visible.
September 27 / Moon in perigee
One day after New Moon, our natural satellite will be at its closest point to Earth in a lunar orbit.
September 28 / New Moon
Geocentric distance: 357 222 km. Angular size of the Moon: 33.4 arc minutes.