The Sydney 2000 Olympics D&B was at night - and hence the peripheral glow to the rear.
The Adelaide Clipsal was daylight, and if no heavy overcast is not really visible as it is behind the aircraft (but, remembering back, I think you could see it in the mirrors as you turned).
Now there will be more D&Bs before withdrawal in December - Riverfire in Brisbane, and also the ADF Airshow at Williamtown in September.