Life-Sized Telescope of 10 Inches: Seize the Moment Since Life is Fleeting
In an intriguing endeavour, Carl Anderson is constructing a 10'' reflector telescope based on the Yolo-pattern, a unique design proposed by Art Leonard in the 1960s. This telescope, named after a California county, stands out for its innovative approach and challenges in the world of telescope building.
Unlike modern telescopes, Anderson prefers to observe the cosmos by eye rather than astrophotography. He eschews the digital age's allure, choosing instead to immerse himself in the raw beauty of the universe through the eyepiece.
The body of the telescope is a wooden truss, sheathed in plywood, lending it a rustic charm. Three-point mirror mounts are used for the final adjustment of the telescope, ensuring precision and stability.
The Yolo-pattern telescope employs two concave spherical mirrors of long radius to create a light path devoid of obstructions. This design, while innovative, has proven to be challenging, as the primary mirror needs to be stretched in a warping rig to correct for coma and astigmatism.
Anderson has meticulously ground and polished the mirror on motorized jigs he built himself. However, the final polishing was not done on these jigs. Instead, he opted for a more professional approach for the final touch.
Despite the challenges, the view through the eyepiece on the rear end of the telescope is described as astounding. Anderson's adventurous spirit is evident in his dedication to this project, and his enthusiasm is contagious.
For those interested in embarking on a similar journey, the article provides a link to a comprehensive guide for telescope building. However, it is worth noting that the article does not recommend trying spin-casting resin mirrors, a common method in modern telescope construction.
In a nod to the future, the article suggests an option for a more modern telescope build using 3D printed parts. This could be a promising avenue for those seeking a blend of tradition and technology in their telescope construction.
A demo video of the polishing machine used by Anderson is embedded in the article, offering a glimpse into the meticulous process of crafting this unique telescope. As for photographs taken through the telescope, there are currently none available, as the telescope is still a work in progress.
In conclusion, Carl Anderson's Yolo-pattern telescope build is a testament to the adventurous spirit that drives many in the world of astronomy. It serves as a reminder that even in the face of challenges, the pursuit of knowledge and the beauty of the cosmos remains an inspiring endeavour.
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