Jason posted here claiming the folks that developed the Hermetic order of the planets got it wrong. From one perspective he is quite correct. However, from another, I will disagree.
Part of the training of a magician is to deal with what is observable.
For instance, my tarot birth card is the 5 of wands, Strife. As I observe my life, I see my combative nature. My quick jump to argumentative discourse. My anger -- that often has nothing to do with the topic at hand. I can see the events in my life that took my personality in those directions. When this is reflected back to me, or when people can not tolerate it anymore, I view it as the universe reflecting back to me what is internal to myself. I observe the outer visible and perceivable universe and correlate that to the inner.
Of course, I also see more positive sides of my personality reflected from without as well. I am a teacher, magician, manager, compassionate and very full of hope. My kindnesses are mostly unadvertised. I find my joyous times, specifically when I finally released most of that obsession, as a reflection of the Prince of Wands, another birth card.
A third party, seeing only one display of my argumentative side, may view the other party in the wrong and maybe within that context they'd be correct. However, I still see the reflection of issues I am working on. I even see them when I feel I am in the right.
The same is true with magick. When I perform an act of magick, I see how that act creates something observable in the outer universe. If I do money magick, did money actually show up? Was money taken away? Did my car get wrecked? We use what we can observe as a basis for judging our work. I have never heard of a magician doing money magick and then checking the molecular structure of the twenty dollar bills in his wallet to gauge success. Nor, have I see one pick up a telescope to see if his magick was a success either.
No, we judge our work by what we can perceive with our unaided senses.
This is reflected in the orders of the planets we use. The are ordered in a pattern observable to the the magician. That order is the relative speed of those planets as we can observe them with the naked eye from the perspective of the magician.
When this order is used for personal alchemy, it makes a lot of sense. For in the beginning we are more analogous to the moon and later to the sun. The moon reflects light into the shadows. The moon reflects our need to go with the crowd, as shown in its geomantic shape, populas. This has its purposes and uses and I am not discounting those. The sun reveals our ability to be the life giving light.
That said, there are many other systems form which a different point of view of the planets likely makes a lot of sense. In fact, one comment to Jason's post was from someone that feels he tapped into the galactic core, which for him contains more energy than the sun. From my perspective, the sun is quite powerful enough, thank you. The galactic core concept is fascinating. Maybe I will deal with that in another lifetime.