giant

For those who are not early risers, we’ve got a tantalizing target in the evening sky. The beautiful double star Albireo flies high in the east following sunset. Marking the head of Cygnus the Swan, Albireo (Beta [β] Cygni) seems as a single 3rd-magnitude star to the naked eye. But a tiny telescope splits it into two components with magnitudes of 3.three and 5.five. They’re extensively separated by 24″ and simple to separate even at low power. What will actually catch your eye, even though, is their contrasting colors of yellow-orange and blue-white. Deneb is about 20 times extra enormous...