Hi Lilly,
I'm by no means an expert but if I was to guess...it sounds like remote viewing. I'm sure Erin or someone else who is fimilar with Astral projection could tell you if it was that or not.
From what I have gathered regarding meditations is to re-create the experience by meditating and imagining the entire event as detailed and real as you can. This creates a reference point. It's sort of like creating a belief in what you want to do because you've done something similar before.
I'm really not sure if it applies in situations of Astral Projection. In remote viewing it's like a confidence boost.
Can anyone else lend confirmation ( or maybe I'm totally off base
) or additional information here?