Moon Dynamics for eta-Aquariids Meteor Shower in 2025

The visibility of a meteor shower depends on the Moon's position and brightness. This chart provides a detailed view of the moon dynamics for this specific meteor shower, helping you determine the best times to observe.

The blue and white areas represent night and day, while the reddish area highlights when the radiant is above the horizon. A white line marks the radiant's transit time, and the grey area shows when the Moon is above the horizon. While many focus on the meteor shower's peak date, it is often preferable to choose a time with dark skies rather than one where the Moon's brightness interferes with visibility. Click on the chart to view detailed Sun and Moon events for a specific date in the table above, ensuring you have all the information needed for a perfect stargazing experience.

Discover the eta-Aquariids Meteor Shower, including:

Radiant Position:

• Right Ascension: 22h 34m 01s"
• Declination: 00° 36' 00s

Peak Activity: This meteor shower is active from April 19 to May 28, with peak activity typically occurring around May 06, when the shower’s rate of meteors per hour is at its highest. However, alternative observation dates may vary based on past activity. Refer to the observation history table for more details.

Associated Parent Comet: The eta-Aquariids originates from debris left by 1P/Halley. The comet's debris intersects Earth's orbit, creating the meteor shower.

eta-Aquariids Observation History

This section provides a record of previous meteor shower activity, including the start, end, and peak dates. While meteor showers are often associated with traditional dates, it's important to note that these dates may vary slightly each year due to solar and atmospheric conditions.

This table serves as a helpful reference, and observers should be aware that the exact dates may shift. Be sure to check updated forecasts closer to the event to determine the best time to observe the shower, as these dates can differ from year to year.

Use this historical data as a guideline for when meteor showers typically occur, but remember that the exact timing may vary slightly each year.