Michael quoted and wrote:

the act of observing is a natural feature of awareness and that acts of observing arise from awareness

which means that you are stating that your experience is that there is observation which arises from awareness but not from an observer

Yes.  This is correct. Also your comments seem to correlate to the Gita, where there is an observer which/who is not well defined:

When the observer perceives no performer besides the influences of material nature and knows what is higher than those influences, he reaches My level of existence.(14.19)

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In response to Erinn, regarding determination and a determiner.  Who are these?   Well, here I am veering away from experiennce and into philosophy. Determination is a mental factor.  It is an operation of mind.  It can operate independently of a "determiner" because it is just one link in a whole sequence of events of causes and conditions. This is not as radical as it sounds.  Even the Gita  verse above  declares the modes of material nature and an observer who is situated apart.  Maybe awareness is the observer? 

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Could I share more about this experience?  For me personally, the highlight was the establishment of the meditative seal.  It was very pronounced.  Regarding the resulting awareness.  in my notes I called this a "tapestry of awareness".  It was steady. It was alive. It was apart of any influence.  If I think too much more about it, I will be adding speculation. If there are further questions, I would certainly try to answer.

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May we all penetrate the freedom which is beyond the material modes!