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Night Sky Viewer

Introducing the ultimate tool for stargazing enthusiasts and curious sky observers - a web-based application that allows users to explore and marvel at the beauty of the night sky like never before.

With our innovative tool, users can input their specific location and desired time and date, and instantly be transported to a virtual representation of the night sky, complete with all the stars and constellations visible in that area at that time.

Once users have found the perfect arrangement of stars and constellations, they can easily save the image to their preferred format - PNG, SVG, or PDF - and share their stunning night sky with friends, family, or social media followers. The tool is also ideal for teachers, astronomers, or anyone who wants to study the sky in detail and document their findings.

Our user-friendly web interface is designed to be accessible and easy to use for everyone, from amateur stargazers to seasoned astronomers. With intuitive controls, users can navigate the night sky and zoom in and out to explore the smallest details. The application is also mobile-friendly, so users can take their stargazing experience with them on-the-go.

Whether you're looking to marvel at the beauty of the night sky or simply curious about what's up there, our web-based stargazing tool is the perfect way to explore the stars and constellations from anywhere in the world, at any time.

An example starmap
An Example star chart


To find the latitude and longitude you can use this tool, simply enter your address and it will provide you with the coordinates. – Coordinate Tool (Link)

The time should be in the UTC (Universal Time) format, this ensures consistency between coordinates and the position of the night sky. - UTC Tool (Link)

An example starmap
An example with constellations turned off

Why use our tool

Our site is designed to be easy to use, fast, and secure. We run everything on the client side, which means that your data is safe and never leaves your computer.

Using our site, you can create stunning night sky images in just a few clicks. You don't need any special knowledge or skills - just select the options you want and let our software do the rest. Our site is lightning-fast, so you'll get your images in no time at all.

We support a range of file outputs, including SVG, PDF, and PNG. This means that you can use your images in a variety of different ways, whether you want to print them, use them in a digital project, or share them with others.

So why wait? If you're looking to create beautiful night sky images, our site is the perfect choice. Try it out today and see just how easy and fun it can be to generate stunning images of the night sky.

An example starmap
An example with shine turned on


  • Pressing "Preview" will render the design to the screen, the render is scaled and may not reflect the final images size.
  • Pressing one of the "Save" buttons will Cause the image to be saved to your computer.
  • Avoid copying directly from the preview window as it’s image has been scaled down and will be lower quality.

All our “builders” enable you to download as png files, pdf files and svg files. The download has been designed to be quick and doesn’t require a connection to a server. The download will go directly to your browsers downloads folder. PNGs are downloaded as high quality 300dpi or 72dpi images depending on the requirements of the design. The pdf and Svg formats allow you to easily adjust or resize designs later. All our apps are free to use and the downloads are royalty free.

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