This cache is not at the posted coordinates!
The posted coordinates are near the location of the Adventure Lab series, Luna Labs - A Peculiar Peregrination.
After completing the Adventure Lab series, a keyword for the certitude checker will be supplied and may be found in the journal. It is essential in solving this mystery cache.
You can validate your puzzle solution with certitude.
After solving the puzzle provided in the certitude checker, the standard cache checker may be used to confirm the cache's GZ.
The cache may be found at S 33° 50.(A-C),(B+E),(D-E-F) E 151° 10.(A-B+C),(C+E),(C+D-F)
Congratulations to EverestHigh and Brewmaker for meeting the challenge of my peculiar peregrination, just For The Fun of achieving a joint FTF on this bonus cache in addition to the Adventure Lab series.