1. First, determine which cosmic objects (such as stars, planets, galaxies, etc.). ) You want to include it in the anchor diagram. You can identify these celestial bodies by consulting astronomical data.

2. Then, record the names and characteristics of these objects on paper or computer for later use.

3. Then, before selecting the medium (such as paper or computer program) that you want to draw the anchor point map, select the appropriate scale size and coordinate axis range as needed.

4. Start drawing your anchor map. You can use different symbols or colors to represent different types of cosmic objects, and use labels or comments to identify the name and characteristics of each object.

5. Finally, add other information or elements as needed, such as tick marks, indicator arrows or other comments.