A remote solar eclipse this coming weekend sets us up for the first total lunar eclipse of 2022.

The first eclipse season for 2022 is nigh. About twice a year, the two nodes where the Moon’s orbit intersects the ecliptic align and an eclipse season occurs, book-ended by one each solar and lunar eclipses spaced about two weeks apart.

Eclipse
An animation for the April 30th partial solar eclipse. NASA/GSFC/AT Sinclair.

The eclipse – This weekend’s brief remote partial solar eclipse ushers in the beginning of the first such season for 2022. The event is a remote one, spanning the southern Pacific Ocean, Easter Island, coastal Antarctica and the southern tip of South America. At its maximum, expect the Sun to be 64% obscured by the Moon over the stretch of ocean between Tierra del Fuego and Antarctica.

Eclipse
The footprint for Saturday’s partial solar eclipse. Credit: Atlas of Solar Eclipses: 2020-2025

Timing for key moments during the eclipse are in Universal Time (UT):

P1: Start of the partial phases of the eclipse (over the South Pacific): 18:45 UT.

Mid-eclipse: 20:41 UT.

P4: The end of partial phases for the eclipse (near the northern Pacific coast of Chile): 22:38 UT.

Though most of humanity will sit this eclipse out, the region along the coast of Chile and the Andes—to include the Paranal Observatory complex—should see a dramatic ‘horned sunset eclipse.’ sinking into the Pacific.

Partial
A sunset partial eclipse, as seen from Santiago, Chile. Credit: Stellarium

Eclipse Safety

Of course, safe solar observing precautions must be practiced during all stages of Saturday’s eclipse. This means using eclipse glasses or filters made for solar observing that fit snugly over the aperture (front) of optics.

Keep an eye out for strange effects during the partial solar eclipse, such as gaps in the tree leaves acting as tiny mini-pinhole projectors, covering the ground with crescent suns.

Sunspot prospects – The Sun has been extremely active as of late, as we head towards the peak for solar sunspot cycle No. 25. As of writing this, there are no less than eight active sunspot regions turned Earthward, making for a photogenic Sun, near mid-partial solar eclipse.

Sunspots
Solar activity as of April 27th. Credit: NASA/SDO

Tales of the Saros

This particular eclipse is member 66 of the 71 eclipses in solar saros cycle
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