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 bubble nebula in Cassiopea, also known as Caldwell 11.
Two hours H Alpha exposure through a 5" refractor and Starlight express CCD camera.
Astrophotography equipment
Sky Watcher Star Adventurer 2i Pro Pack – Motorized DSLR Night Sky Tracker Equatorial Mount for Portable Nightscapes, Time-Lapse and Panoramas Wi-Fi App Camera Control – Long Exposure (S20512)