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How Do I Choose the Best Telescope Dome?

Hardshell domes or pods are meant to mimic large-scale observatories.
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  • Written By: Mal Baxter
  • Edited By: Daniel Lindley
  • Last Modified Date: 11 December 2014
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When conducting astronomical research outdoors, protecting yourself and your equipment from the elements is as important as protecting your view from light pollution. The right telescope dome can make any sky-watching session a better experience. Whether for transport into the field, or parked permanently on a backyard deck, a telescope dome can provide shelter from weather and unwanted light. Numerous designs accommodate long sessions and continuous telescope tracking. Considerations can include construction with fabric or mold-injected plastic, structural durability for environmental conditions, accessories, and the number of people it can comfortably accommodate.

Several varieties of portable telescope dome can serve needs of amateur and professional astronomers. These may include geodesic and cabana styles of tent, shed, or hard shell pod. The singular feature these products have in common is a retractable roof space to permit unobstructed telescope views. A product may be characterized according to ease of construction and how well it protects against the elements. Varying degrees of customization may be possible with add-on visors, porches, or extensions, as well as locking doors.

Transporting a telescope dome through the field involves a combination of ease of carry and resistance to weather conditions. If protection from exposure factors into your needs, you may opt for a unit constructed from flame-resistant or ripstop fabric and polyvinyl chloride (PVC) tubes. Such a structure can afford greater space for a more comfortable, camp-like shelter.

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Additionally, a geodesic style dome or tent can be fitted with a porch or awning extension to provide a place for removing outerwear before entering the interior. This type of dome may feature removable flaps around the ceiling to accommodate telescope repositioning. For hotter climates, sunshades provide a much-needed layer of air between a reflective outer skin and a cooler interior structure.

A telescope dome may be assembled by hand in a short time, or it may be constructed using tools for more permanent placement. It's beneficial to determine what tools may be needed or carried to permit assembly. A structure's water-repellent properties can determine its protective value against dew and rain. Materials like vinyl or plastic can affect how a user experiences temperature variations. Consider enough space for chairs, computers, carts, and other amenities.

Sturdy, more permanent shelter can be provided by a hardshell dome or pod. Typically made of high-impact plastic, it may be constructed of interlocking sections that attach by hand or with fasteners. Mimicking the large-scale observatory, this type of structure may feature a rotating roof telescope dome with detachable visors to block additional light.

This configuration may facilitate crisper backyard views in brightly lit suburban areas. It may also provide for weatherproof ventilation design and security with locking door mechanisms. Such a product can be decorated with colorful cathode lights and add a real touch of cosmic flavor to the habitat of the armchair astronomer.

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