They later also targeted broadcaster Alan Jones' luxury Circular Quay apartment with the lights.
More than 300,000 people have signed a petition protesting the promotion, while the NSW National Trust has questioned whether the move was legal.
The Opera House sails have been used in art installations and to advertise events such as the Rugby Union World Cup, but not for commercial advertising. "Call Alan" onto the famous building.
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"The Opera House guidelines have from time to time been amended, whether it's for other sporting events or other causes". It should be noted that Herron was upholding the statute of the Opera House in doing so.
"I want people to know that I appreciate that and respect that".
Since the NSW Government directed the Opera House to allow the promotional material on racing to be projected, the backlash over the decision has reached a boiling point. Participants are encouraged to use light sources, such as torches and smartphones, to disrupt the advertising images.
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Two points separate the top five teams after eight games - the closest it has ever been at this stage of a season in the Premier League era.
Controversy has raged ever since it emerged the Opera House was going to be used to help promote The Everest, which is billed as the world's richest turf race and is a massive drawcard for tourism in NSW.
The outrage had already prompted racing authorities to drop plans to hold the barrier draw publicly, so as to avoid "security risks", and betting was suspended from noon until the announcement of the draw result in the evening.
The weather gods appear to be smiling on Mick Bell's on-pacer Jungle Edge, who is renowned for his ability on rain-affected ground - and he remains a slim hope of being an 11th-hour entrant for the big one, should one of the 12 secured horses in slots be found to be unable to take their place in the coming days. Racing NSW boss Peter V'Landys says, however, that Jones has "absolutely no financial interest" in the Everest.
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Having played their Champions League game later in the week, and further distance away, than their opponents there was concerns they couldn't keep up their usual intensity.
He threatened her job live on air and told her she was "out of her depth", but Alan Jones still isn't convinced he bullied Opera House CEO Louise Herron last Friday.