Practical exercise 3: VISIBLE MOVEMENT OF THE STARRY SKY (APPENDICES 2a, 2b and 2c – can be printed or displayed in electronic version)

There are 3 images of the starry sky at 3 different times of the same evening, which are seen by an observer in the northern hemisphere. Arrange the pictures in the correct order based on the locations of the famous winter constellations (Orion, Taurus, Gemini, Greater Dog, etc.) and the directions shown on the horizon.

Appendix 2a

Solution: The correct order is 2b, 2c, 2a