Chandra X-ray & NOAO Optical Composite of NGC 40
This composite X-ray (red)/optical (black & white) image provides an alternative false-color scheme of the the dying, Sun-like star NGC 40. This planetary nebula is located about 3,000 light years from Earth in the constellation Cepheus.

(Credit: X-ray: NASA/CXC/RIT/J.Kastner & R.Montez.; Optical: NSF/AURA/NOAO/WIYN)