When I recently printed an ecliptic-longitude version of the elongation chart to accompany a celestial wall map, I found it not quite ideal for the task. So I made some changes to the chart for better visibility in printed form on a wall, and now I'm propagating these changes to the elongation charts: Larger fonts, lines, symbols and the colors of the planet lines darker and easier to distinguish. So Venus is now green and Mercury pink, but that's a small price to pay for better visibility, I hope.
As a bonus, the 10-year ecliptic longitude chart is also linked at the elongation page.
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