Invoking rituals such as 'Drawing Down the Moon/Sun' not only feel different for everyone, but change slightly every time you do them.
If you are nervous perhaps you should do a divination first, or request the assistance of one of the moon Goddesses- or God if you are working with Norse Deities.
There are some Warmup-type exercises
you can do as outlined in the article.
Ian - Pagan Editor
"We can never obtain peace in the outer world until we make peace with ourselves."
"With realization of one's own potential and self-confidence in one's ability, one can build a better world. "