This week’s small telescope target is the sky’s brightest reflection nebula: M78 in Orion. Through a small telescope at about 120x, you’ll spot an 11th-magnitude star. On either side of this ...

The Iris is a reflection nebula, a cloud of gas and dust illuminated by a central star. It's six light-years across, and lies 1400 years away from the earth. The Eagle Nebula is a young open cluster ...