3 Cap
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://starfyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://starfyi.com/entity//Add a dynamic SVG badge to your README or docs.
[](https://starfyi.com/entity//)Use the native HTML custom element.
3 Cap
Add one script tag to your page:
<div data-starfyi="entity" data-slug="3-cap"></div>
<script src="https://cdn.jsdelivr.net/npm/starfyi-embed@1/dist/embed.min.js" defer></script>
Embed as an iframe:
<iframe src="https://starfyi.com/iframe/entity/3-cap/?style=modern&theme=light" width="420" height="400" frameborder="0" loading="lazy" style="border:0;border-radius:10px;max-width:100%"></iframe>
Paste the URL in WordPress, Medium, or Ghost:
https://starfyi.com/star/3-cap/
Shields.io-compatible SVG badge:
Web Component:
<starfyi-entity slug="3-cap"></starfyi-entity>
<script src="https://cdn.jsdelivr.net/npm/starfyi-embed@1/dist/embed.min.js" defer></script>
3 Cap is a B-type (Blue-White) star. It carries the designation 3 Cap.
Located approximately 443.1 light-years from Earth, 3 Cap resides within the broader disk of our Milky Way galaxy.
3 Cap is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
3 Cap has an apparent magnitude of +6.30, placing it beyond naked-eye visibility. A good pair of binoculars or a small telescope is required to observe this star. Observers will note its blue-white hue, which corresponds to a B-V color index of +0.005.
Physical Properties
| Spectral Class | B Class B — B-type (Blue-White) |
| Color Index (B−V) | 0.005 |
Observation
| Apparent Magnitude | +6.30 |
| Absolute Magnitude | 0.63 |
| Distance | 443 ly |
Position
| Right Ascension | 20h 16.38m |
| Declination | -12° 20.23′ |