I have experienced both astral projection and lucid dreams and have noticed some similarities between the two, so i made a list....

1.) Abilities To Fly
2.) Communication through thought bubbles
3.) 3rd Person Vision
4.) Psychokinesis
5.) Telepathy
6.) Awareness of Self
7.) Long lasting memories of experience
8.) Porous walls
9.) Dual Earthly Characters (People)
10.) Heavily thought controlled environment
11.) Speech Feeling secondary
12.) Blurry vision
13) Presence of some of the 5 senses (vision, touch, hearing, taste)
14.) Night and Day
15.) higher self and spirit guide presence
16.) Verbal Commands (clarity now)
17.) Will Power
18.) Sex Themes
19.) Profound Knowledge
20.) Indesructabilty
21.) Sense Of Immortality
22.) Understanding that the reality of experience is more then physical perception
23.) personal longing ( how do i get back?)
24.) frequency alignment and off alignment (example blurred vision or unstable environment and vice versa)
25.) negative and positive entities
26.) boost of physical energy after non physical experience
27.) symbolism
28.) sense of my own duality
29.) First person vison (like shooter games)
30.) thinking about my physical body can wake me up