# da-luce/astroterm

> A terminal planetarium written in C: renders real-time positions of stars, planets, constellations and Moon phases as ASCII art right in the command line. Configurable by date, time and observer coordinates.

- Magnitude: 5.1 out of 10 — Breakout
- Stars: 2,133 total · +27 stars measured 2026-10-30, 03:46–05:09 UTC, ≈ 75 by evening
- Star trust: star growth looks organic
- Category: Science & research · Language: C · License: MIT · Created: 2023-06-16 · Last push: 2026-09-11
- GitHub: https://github.com/da-luce/astroterm · Page: https://gitnova.dev/en/r/da-luce/astroterm

## Useful for

- View the star map above a chosen city for a specific date
- Use as an animated ASCII screensaver in the terminal
- Check the Moon phase and planet visibility for a given moment

## Why it’s here

- Star-counter measurements on 2026-10-30 (UTC), 03:46–05:09: 2106 → 2133 stars (+27). This is the change over that interval.
- Estimated end-of-day forecast: about +75 stars, using observed gains and the previous day.
- Before this, the repository barely got any stars — about 1 per day.
- Hacker News: “Astroterm: A Planetarium for Your Terminal” — 46 points, 1 day ago.

## Star trust

Star growth looks organic.

Star-trust labels are heuristics based on the repository’s behavior, not a check of every stargazer.

## Numbers

- Forks: 59
- Issues and pull requests: 119
- Watchers: 16
- Average over the last week: 18 per day
- Usual pace: 1 per day
- Stars in the last hour (measured): 20
- Latest release: v1.2.0 (2026-04-01)

## Stars per day, last 30 days (oldest → newest, today is partial)

2026-10-01 … 2026-10-30: 2, 1, 0, 1, 2, 1, 2, 1, 0, 2, 1, 0, 1, 1, 1, 2, 1, 0, 0, 4, 4, 1, 3, 1, 0, 0, 0, 2, 61, 27

## Hacker News

- Astroterm: A Planetarium for Your Terminal — 46 points, 3 comments: https://news.ycombinator.com/item?id=50270651

## Spotted in now

- Spotted on Hacker News

## More in this category

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   Full card: https://gitnova.dev/en/r/openai/math.md
2. **molence/Mol-1** — 3.2 · Cooling · Science & research · Python · +3 stars measured 2026-10-30, 00:16–05:10 UTC, ≈ 17 by evening
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   Full card: https://gitnova.dev/en/r/molence/Mol-1.md
3. **AxiomMath/CFSG** — 3.0 · Cooling · Science & research · Lean · +5 stars measured 2026-10-30, 00:16–05:11 UTC, ≈ 14 by evening
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   Full card: https://gitnova.dev/en/r/AxiomMath/CFSG.md
4. **CuboiLeo/SuperMimic-Reproduced** — 1.7 · Cooling · Science & research · Python · +4 stars measured 2026-10-30, 00:21–05:15 UTC, ≈ 16 by evening
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   Full card: https://gitnova.dev/en/r/CuboiLeo/SuperMimic-Reproduced.md
5. **colmap/colmap** — 1.6 · Steady · Science & research · C++ · +3 stars measured 2026-10-30, 00:23–05:16 UTC, ≈ 13 by evening
   COLMAP is a Structure-from-Motion and Multi-View Stereo pipeline with GUI and CLI for 3D reconstruction from ordered and unordered image collections. Used in computer vision and photogrammetry.
   Full card: https://gitnova.dev/en/r/colmap/colmap.md

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Magnitude (0–10) measures how fast and how unusually interest in a repository is growing right now. It is not a quality score.
Days are UTC. “So far today” is a fact; “expected by the end of the day” is a forecast.
Summaries and use cases are written by an LLM (DeepSeek V4.1 Flash) from the README and may be inaccurate: verify specific claims (benchmarks, speed, hardware) in the repository itself.
Data as of 2026-10-30 05:20 UTC, updated every 30 minutes.