A rare celestial event graces skies tonight as the smallest full moon of 2026 rises. This Blue Moon—the second full moon in May—is also a micromoon, meaning it occurs near its farthest point from Earth, making it appear slightly smaller than average. The Virtual Telescope Project in Italy will host a livestream beginning at 9:30 p.m. EDT (0130 GMT) for those unable to view it directly.
While the term "Blue Moon" traditionally refers to an extra full moon in a season or month, tonight's event adds a micromoon twist. A micromoon occurs when the full moon coincides with apogee, the point in its elliptical orbit farthest from our planet. This combination of a Blue Moon and a micromoon is particularly unusual, as seasonal Blue Moons happen roughly every 2.5 years, but micromoons are more common.
Observers worldwide can catch the spectacle with clear skies. The moon will appear full for about three days centered on tonight, offering ample viewing time. The exact time of fullness varies by time zone, but the livestream provides a consistent reference point for enthusiasts across different regions.
This event holds significance for both casual stargazers and astronomers. For the public, it's an accessible moment to engage with lunar cycles. Scientifically, micromoons offer subtle opportunities to study the moon's orbital dynamics, though the differences in apparent size are slight—about 15% smaller than a supermoon—and not easily noticeable without instruments.
Some critics argue that the media hype around "micromoons" exaggerates their rarity, as the moon's orbital variations are predictable and occur multiple times a year. The term "Blue Moon" itself has disputed definitions, with some sources using it to describe a second full moon in a month (monthly Blue Moon) versus the traditional seasonal definition. This confusion can lead to overstated claims about the event's uniqueness.