The 3 planet pattern of MERCURY Conjunct SUN/ NEPTUNE

Mercury: Represents your thoughts, communication, and learning style. 

Sun: Represents your core identity, ego, and sense of self. 

Neptune: Represents intuition, dreams, spirituality, and illusion..

When Mercury Conjunct Sun/Neptune.

You are very intuitive and imaginative. While others often need scientific proof, you very often prefer to trust your intuition. You also have a good appreciation for poetry and literature. Any subject that is taught in a dry, formal, unimaginative manner bores you, and, as an adult, you may consider yourself very inept in various subject areas only because they were presented to you in a very dry manner when you were young. 

Sometimes your imagination and your inclination to create fantasies or fictional stories can make it difficult for you to concentrate on studies, disinclining you to throw yourself wholeheartedly into academics.

Mercury  =  Sun / Neptune

You are prone to dreamy thinking without logic. You might be susceptible to deceptive thinking and a lack of energy to make your ideas reality.

In general, this aspect suggests that the person is highly intuitive and imaginative, and they may have a strong ability to connect with the subconscious mind. They may also be very good at communicating with others, and they may have a natural talent for music or art..

• ( VENUS = MARS/JUPITER ) - ( SUN = VENUS/JUPITER ) - ( MERCURY = SUN/NEPTUNE ) - ( MERCURY = SUN/URANUS ) - (SUN = MERCURY/PLUTO ) - ( NEPTUNE = VENUS/SATURN ) - ( VENUS = MARS/NEPTUNE ) - ( MERCURY = MOON/JUPITER ) - ( JUPITER = MERCURY/URANUS )

More specifically, this placement can also indicate: 

• A strong connection to the subconscious mind. 
• The ability to communicate with the spirit world. 
• A tendency to be psychic or clairvoyant. 
• A need for emotional healing. 
• A talent for working with dreams and symbols.

Technical Details of how the planetary patterns are determined: The interpretation is based on a 3-planet pattern. The 3 planets are forming a midpoint structure where a planet forms one of the following aspects to the midpoint of 2 other planets: conjunct or opposition with 2 degee orb, square with 1 1/2 degree orb, semisquare or sesquiquadrate with a 1 degree orb, or 1/16, 3/16, 5/16, or 7/16 with a 30 minute orb.

For example of CONJUCTION of 3 planet pattern

Each astrological influence described  is a resource available to you. It is up to you to express these energy patterns in the best possible way. It is possible to repress, block, or try to avoid issues, or to fight yourself; hopefully this interpretation will help clarify issues in your life, and encourage you to master your life rather than be a victim of circumstances.