I don't know my birth time. Can I still use it? This map needs your birth time. Where your lines cross the world depends on the minute: a 4-minute difference shifts a line by a full degree of longitude. Without the time there's nothing to calculate. Your birth certificate should have it. A few minutes off is fine.
Are the lines on the map real or just illustrative? They're real. Each line is calculated by exact formula from where that celestial body stood at the moment you were born. Overhead lines are straight meridians; rising and setting lines curve with latitude. The curves you see come from the calculation, not from decoration. AI never touches the map. It only puts the calculated result into words.
How is this different from the Astrocartography reading? Astrocartography is a written reading of the cities that stand out for you in 4 areas of life. Star Map is the map itself: see the lines, zoom in, switch layers on and off and ask about any place. One is a reading, the other is a map. Both come from the same calculation.
What if I'm living on a "caution" line? No line is a "no-go zone". A caution line asks for discipline and awareness, and teaches a great deal in return. Your reading tells you what to be prepared for without closing any doors, and it never tells you what to do about a move, a job or an investment.
What if I ask about a place that isn't near any line? You'll be told plainly: "there's no notable line influence here." Nothing is invented. Most of the world lies outside the reach of any line. That isn't bad news; it simply means the place is neutral in your chart.