Astronomy Picture of the Day . Skyscape with Comet Holmes . ... This gorgeous skyscape spans some 10 degrees across the heroic constellation Perseus, about the size of a generous binocular field of view. ... This close up of an active region on the Sun that produced a powerful X-class flare was captured by the orbiting TRACE satellite. ... The Closest Galaxy: Canis Major Dwarf . ... Surprising Comet Holmes remains easily visible as a round, fuzzy cloud in the northern constellation Perseus. ...