An astronomer stands for patient observation and the search for knowledge in vast questions. Meeting one in a dream is read as a call to study a situation calmly and from a distance.
Does the traditional reading fit your dream, or did it mean something else to you?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.