The universe is like a safe to which there is a combination. But the combination is locked up in the safe.

— Peter De Vries

The Crab Nebula

The Crab Nebula

The supernova remanent M1 at the tip of the horns of Taurus. The image was taken in H-alpha light through the 5" refractor. The pulsar is right in the center .  One hour exposure.