Mazzy

Hello I am very new to astrophotography, I'm struggling to currently get any image apart from bright objects, such as Vega and the moon. I am taking images through my telescope using an adapter with a telescope eyepiece inside. I can see the image I want through the viewfinder, but cannot using live view or when I take the photo. I'm positive I'm using the incorrect settings, but unsure where to start as there are conflicting opinions everywhere! Last night's attempt caught Vegas, and a lovely bright double star, but couldn't see M13 through live view though we could t