Modern mobile technologies have become widespread in our lives. All of us use them every day. The use of mobile phones in education is a topical issue too. This paper presents the methodological features of the use of mobile technologies in the astronomy's class. Modern methods offer a lot of techniques and innovative forms of teaching methods in order to improve students' knowledge. These innovations are aimed to increase using activity-based and person-centered approaches to learning and also, they will help to intensify students’ training activities therefore. The including mobile technology in education process will be engage and productive. We used mobile technologies for the organization of practical tasks from astronomy, as well as the possibility of individualization of education is shown. The such tasks help to increase students’ cognitive activity. It is presented in the article, as an example for astronomy studying, there is example of mobile phone using for the Moon research.