What stars/constellations are visible from the equator?

At equator all stars are visible, tough some just above horizon. As soon you depart from that line some cosntellations will be missing but between tropics the missing stars will change along Earth presecion period (around 26000 years) and everyone become visible for certain time period. read more

Orion is most visible in the evening sky from January to March, winter in the Northern Hemisphere, and summer in the Southern Hemisphere. In the tropics (less than about 8° from the equator), the constellation transits at the zenith. read more