Welcome to R-Sky Astroinstruments!

R-Sky is a small, dedicated manufacturer of custom equipment designed for astronomy enthusiasts. We specialize in crafting high-quality products like dew heaters, protective covers, Observing Hood and unique accessories to enhance your stargazing experience.

Our commitment is to provide innovative, reliable tools that make observing the night sky easier and more enjoyable. Whether you’re just starting out or have years of experience, R-Sky Astroinstruments has the gear you need to explore the cosmos with confidence.

Dew heaters for all telescopes

Customer’s Choice
Dual Channel Dew Controller

$80.00 / Old Price: $90.00

Extra Big for 9-10'' telescopes

Cover for telescope and Observing Hood

Dust Cover on 8”

Price: $19.90

Must Have!
New!
Secondary Mirror Cover for Newtonian (Dobsonian)

Astro Enthusiast Bundles

Our Astronomy Essentials Bundles bring together the best tools and accessories for every stargazer’s journey. Each bundle is specially selected to cover the core needs of astronomy enthusiasts. By purchasing a bundle, you’ll save significantly, making it easier and more affordable to enjoy the wonders of the night sky.

Mobile Imaging Kit #1 (for 3'' Telescope)

This kit is designed for astrophotographers using small telescopes with an objective diameter of around 3 inches.

It includes a Dew Heater Strip for 3” telescopes and a Dew Heater Strip for 2” eyepieces, ideal for keeping both the main scope and a small guide scope free from dew. The included Dual Channel Dew Controller offers four output ports split between two independently controlled channels.

This allows you to adjust heat levels for each pair of devices and add more heaters in the future—no need to replace the controller as your setup grows. A practical and expandable solution for mobile astrophotographers, combining essential dew protection with long-term flexibility.

Total Price
$154.00
Save
$19.10
Bundle Price
$134.90

Newtonian Telescope Bundle #2

This kit is tailored for owners of Newtonian telescopes, including those mounted on Dobsonian bases. The Secondary Mirror Heater (B), recommended for telescopes 12 inches or larger (consult with us for specifics), protects your secondary mirror from dew buildup. Our unique Dew Heater for Optical Finder keeps both the objective and eyepiece of your finder scope dew-free, ensuring clear views throughout your observation. The included Dual Channel Dew Controller provides control over these heaters and allows for future expansion with additional heaters. This kit combines essential dew protection with significant cost savings, making it an exceptional value for owners of large Newtonian telescopes.

Total Price
$178.00
Save
$17.80
Bundle Price
$160.20