By Richard Talcott | Published: Friday, May 24, 2019
Jupiter’s largest moon seemingly disappears as it slides into the giant planet’s shadow to start the week, while a waning crescent Moon passes near Venus to wrap it up.
Saturday, May 25
Binoculars open a world of wonders invisible to the naked eye. Did you realize you could see several galaxies without resorting to a telescope? One of the spring sky’s best is the Blackeye Galaxy (M64) in Coma Berenices. This constellation stands high in the south once darkness falls. The 8th-magnitude spiral galaxy appears about 1° northeast of the 5th-magnitude star 35 Comae Berenices. M64 is barely in range of 50mm binoculars under a dark sky, although you’ll need 80mm or larger binocs or a telescope to spot the dark dust lane that gives the galaxy its “black eye.”
Sunday, May 26
Last Quarter Moon occurs at 12:34 p.m. EDT. When it rises around 2:30 a.m. local daylight time tomorrow morning, it will appear slightly less than half-lit. Earth’s only natural satellite then appears against the background stars of Aquarius the Water-bearer