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Astronomy Calculator Suite
Explore the sky with free astronomy tools
Astronomy Calculator Suite combines eight free tools for astronomical calculations and observations. Find Sun and Moon times, moon phases, planetary positions, and angular separation. Calculate telescope field of view, light-travel time, stellar magnitude, and orbital periods, or convert calendar dates to Julian dates. It supports multiple units, works in your browser, and requires no signup.
Top comment
We built Astronomy Calculator Suite to make useful astronomical calculations accessible without requiring specialized software or separate websites. It started as a simple Sun and Moon calculator, then evolved into a complete browser-based toolkit covering planetary positions, telescope settings, celestial distances, Julian dates, stellar magnitudes, and orbital periods. Our goal was to create one convenient resource for students, educators, amateur astronomers, and curious skywatchers free and without signup.
About Astronomy Calculator Suite on Product Hunt
“Explore the sky with free astronomy tools”
Astronomy Calculator Suite was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #134 on the daily leaderboard. Astronomy Calculator Suite combines eight free tools for astronomical calculations and observations. Find Sun and Moon times, moon phases, planetary positions, and angular separation. Calculate telescope field of view, light-travel time, stellar magnitude, and orbital periods, or convert calendar dates to Julian dates. It supports multiple units, works in your browser, and requires no signup.
On the analytics side, Astronomy Calculator Suite competes within Education, Space and Science — topics that collectively have 89.2k followers on Product Hunt. The dashboard above tracks how Astronomy Calculator Suite performed against the three products that launched closest to it on the same day.
Who hunted Astronomy Calculator Suite?
Astronomy Calculator Suite was hunted by Freewww. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Astronomy Calculator Suite including community comment highlights and product details, visit the product overview.