Overview
What is HR Diagram?
HR Diagram : Simulate the Hertzsprung–Russell (HR or H-R) diagram for groups of stars.
In depth
A closer look at HR Diagram
The illuminated sides of Earth and Moon and the regions of possible eclipses (in yellow and green) are also depicted. In the Ecliptic View, the motion of Sun and Moon across the sky (+/- 7 degrees from the ecliptic) are shown. Moon's phase is shown and solar and lunar eclipses can occur on the ecliptic when Earth, Sun, and Moon line up properly.
Verdict
Should you download HR Diagram?
HR Diagram runs on
Windows 10/11
and is available under the
Freeware
license
— the installer is 1.1 MB.
We’ve catalogued it under
Science and Engineering.
✓
Verified clean. Every HR Diagram build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
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At a glance
HR Diagram specifications
- Publisher
-
Mario Belloni
- Last updated
- May 1, 2026
- License
- Freeware
- Operating system
- Windows 10/11
- File size
- 1.1 MB
- Price
- Free
- Page views
- 657
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