The innermost planet stands 7° above the eastern horizon 30 minutes before sunrise. Despite bright twilight, Mercury stands out because it shines brightly, at magnitude –1.1.
If you view the scene through binoculars, you should see the 1st-magnitude star Regulus 1.5° below it.
The two will appear side by side on Thursday morning. A telescope reveals Mercury’s 6″-diameter gibbous disk.