I made a best albums of 1973 list once:

1. Innervisions - Stevie Wonder
2. Raw Power - Iggy and the Stooges
3. A Wizard, a True Star - Todd Rundgren
4. Future Days – Can
5. Tyranny and Mutation - Blue Öyster Cult
6. Stranded - Roxy Music
7. (tie) For Your Pleasure - Roxy Music
Larks Tongues in Aspic - King Crimson (released on the same day [March 23])
9. Time Fades Away - Neil Young
10. Cosmic Slop - Funkadelic

Fare Forward Voyagers – John Fahey
Birds of Fire - Mahavishnu Orchestra
Dark Side of the Moon - Pink Floyd
Space Ritual - Hawkwind
Bananamour - Kevin Ayers
Fresh - Sly and the Family Stone
New York Dolls
Berlin - Lou Reed
Countdown to Ecstasy - Steely Dan
These Foolish Things - Bryan Ferry
Enlightenment - McCoy Tyner
Selling England by the Pound - Genesis
Aladdin Sane - David Bowie
Quadrophenia - The Who
Head Hunters - Herbie Hancock
Legend - Henry Cow
Between Nothingness and Eternity - Mahavishnu Orchestra
(No Pussyfooting) - Fripp & Eno
Mekanïk Destruktïw Kommandöh – Magma
Twice Removed from Yesterday – Robin Trower
Spectrum - Billy Cobham

I'm sure I missed some, but it was a good year for music.

the ones I missed:
Beck, Bogert & Appice
Graham Central Station
The Payback - James Brown
Houses of the Holy - Led Zeppelin
Dixie Chicken - Little Feat
NEU! 2 - NEU!
Hymn of the Seventh Galaxy - Return to Forever
Funky Kingston - Toots & the Maytals
Faust - Faust IV
Herbie Hancock - Sextant

Mekanïk Destruktïw Kommandöh is my current #1