Building a Roll-Off Roof Observatory: A Complete Guide for by John Stephen Hicks

By John Stephen Hicks

Almost each novice astronomer who has taken the pursuit to its moment point aspires to a set, everlasting housing for his telescope, allowing its speedy and comfy use averting hours of setting-up time for every gazing consultation. A roll-off roof observatory is the best and by means of some distance the preferred observatory layout for today’s functional astronomers.

Building a Roll-off Roof Observatory is exclusive, overlaying all elements of designing a roll-off roof observatory: making plans the location, viewing requisites, conforming to by-laws, and orientation of the constitution. The chapters define step by step building of a customary building.

The writer, either an novice astronomer panorama architect, is uniquely certified to jot down this fully-detailed publication. A professionally designed roll-off observatory may fee up to $3000 only for the plans – that are supplied unfastened with development a Roll-off Roof Observatory.

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Extra info for Building a Roll-Off Roof Observatory: A Complete Guide for Design and Construction

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Large enough to house a single astronomer comfortably, the walls held pouches for accessories which could be reached with a turn of the body inside. Fully erected, each section stood 6 ft high, and 4 ft wide (2 ft × 2 ft sections hinged together). A tarpaulin placed on the ground before assembly kept out moisture, snow, and insects. The entire structure assembled weighed in at 125 lb. Requiring only about three evenings to construct, it could be built from 4-1/2 sheets of 1/4 in. 00. 42). 37. Paul Smith’s Clam shell Observatory closed showing slope on split roofs.

It was affectionately named the “Clapp-Trapp” after its creator, Douglas Clapp, and found use throughout Ontario with stargazers who wanted a quick, temporary shelter for observing. Large enough to house a single astronomer comfortably, the walls held pouches for accessories which could be reached with a turn of the body inside. Fully erected, each section stood 6 ft high, and 4 ft wide (2 ft × 2 ft sections hinged together). A tarpaulin placed on the ground before assembly kept out moisture, snow, and insects.

Mid-construction test: Refractor fits under closed roof when rotated completely horizontal. If calculations had been incorrect, the pier or cement base pedestal would have to be shortened. (From the collection of John Hicks). The difference is largely due to the fact that the observer looks down the optical axis of the refractor which places him/her at the very end of the telescope, really squeezing the observer against the walls or even the floor in certain viewing orientations. Schmidt-Cassegrain type reflectors, although compact, are often mounted on a fork & wedge assembly which is adjusted to the observer’s latitude.

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