Sky-Watcher 254mm 1200m Newtonian, a.k.a. "The Bídon"
The main telescope used by Zerjillo is a Sky Watcher Newtonian type
El tubo principal de Zerjillo es telescopio tipo Newton de marca Sky Watcher with 254mm aperture and a 1200mm focal length (f/4.7). Due to its "tiny" size it is also known as "The Bídon" ("bidón" means "barrel" in Spanish).
Its technical details are:
- Optical Design: Newtonian (Parabolic)
- Diameter: 254mm
- Focal Length: 1200mm
- Secondary Mirror Diameter: 58mm
- f/4.7
- Highest Practical Power: 508x
- Faintest Stellar Magnitude: 14.7
- Resoving Power: 0.46
- Finderscope: 9x50
- Focuser diameter: 2'' with 1.25'' adapter
- Tube Weight: 2.37 Kgs
- Tube Dimension (diameter x length): 28.8cm x 112cm
Some photos of The Bídon:




