... A Rare Hybrid Solar Eclipse . ... Such a three shadow transit is a relatively rare event, even for a large planet with many moons. NGC 7841: The Smoke Nebula in Frustriaus . ... NGC 7841 is probably known as the Smoke Nebula, found in the modern constellation of Frustriaus, the frustrated astrophotographer. Only a few light-nanoseconds from planet Earth, The Smoke Nebula is not an expanding supernova remnant along the plane of our Milky Way galaxy, though it does look a lot like one. ...