C14, Televue 2.5x Powermate, ASI camera, Red filter
Best 150 of 1500 frames

About 30 min before Local Dawn, Alt about 17 degrees
(the ecliptic was nearly vertical at local dawn giving good separation from the sun)
The atmosphere was boiling because of the low alt (the seeing was reasonable at zenith)
It may not look like much, but this is all the Mercury I could capture.
4 November 2014