The work of the astronomer is associated with qualities that are also required from each researcher and education: curiosity of the world, the ability to think logically, integrity in academic work and basic skills transfer of own knowledge to others. The profession does not set any special health requirements, conducting night sky observation does not require any special condition, just perseverance. The most important thing is a real interest in this field, even passion. There are also needed the ability to close and abstract thinking, as well as the ability Math. Mathematics and physics are the basis of this knowledge.