This page brings together activities related to visual observation :
Note : If some elements are missing here, please switch to the FR version, the translation will come progressively. Thanks for your understanding.
- Locating the “horsehead” nebula in visual observationIt is one of the most famous objects, highly prized by astrophotographers, yet very difficult to detect and appreciate visually. And for good reason: it is a dark nebula, a cold molecular gas cloud that emits no light in the visible spectrum. Observing it relies on a “stroke of luck”—the fact that this nebula is… Read more: Locating the “horsehead” nebula in visual observation