NGC 6369: The Little Ghost Nebula . ... Credit Copyright: Hubble Heritage Team , NASA Explanation: This pretty planetary nebula, cataloged as NGC 6369 , was discovered by 18th century astronomer William Herschel as he used a telescope to explore the medicinal constellation Ophiucus . ... Over 2,000 light-years away, the Little Ghost Nebula offers a glimpse of the fate of our Sun, which could produce its own planetary nebula only about 5 billion years from now. ... NASA Official: Jay Norris. ...