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Making Observing
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PREVIEW OF THE TELE-STATION 6 SPLIT ROLL-OFF ROOF OBSERVATORY
Pier-Tech, Inc. is a US based manufacturing company. The company was established for the purpose of making fixed and portable Piers that can accept astronomical German Equatorial or Fork Mounts or other instruments. In time they expanded their production to develop astronomical observatories with slide-off roof, and most recently in 2008 they expanded production to include observatory domes for use by professional and home astronomical observatories, and planetaria constructed of galvanized steel in diameters from 8 feet (2.4m) up to 30 foot 6 inches (9.3 meters)! So by 2008 Pier-Tech was offering almost everything that an amateur or professional astronomer could want to house their telescope or other project.
Company Seven became aware of this developing company because of their increasing selection of roll-off roof observatories and telescope piers. And even though we do offer observatory domes for sale, and our own observatory is in a superb dome, there were times when we deduced that our customer might be better served with a roll-off roof observatory and we therefore would recommend Pier-Tech as the first choice. While no observatory structural arrangement is a perfect solution since each brings with it some compromises, there are instances when the roll-off roof arrangement may be preferred over a dome.
There will be locations where space is limited, where there is not enough space to accommodate the movement to the side of the conventional Tele-Station single panel roof, and for these instances Pier-Tech developed the Tele-Station 6. In development for some years, the first model was completed in July 2008 for installation in a western State.
Right: three views of the Tele-Station 6 Observatory with roof panels slid open.
Click on image to see enlarged four view image (122,678 bytes).
Advantages Of A Roll-Off Roof Observatory:
- when the observer prefers to have a more 'open to the sky' experience, free to glance from horizon to horizon
- the open roof arrangement allows the instruments to reaches thermal equilibrium faster than in a dome. And this eliminates the possibility of having a 'chimney effect' develop as hot air rises up and through the open slit of a dome.
- with the roll-off roof completely retracted there is no need to buy complicated and costly Dome automation equipment and software to keep the Dome shutter opening tracking along with the telescope
- when the owner prefers to have a lower profile structure that does not readily advertise the presence of a telescope
- when the owner prefers (or spouse demands) to have a lower profile structure that blends better than a dome with the associated architecture
- makes the best sense at sites where protection from high winds is not a concern
- provides shielding from lower placed neighboring lights