Today Mercury will be at maximum western elongation, as high in the morning sky as it will appear for this current apparition. After today the planet will slide back into the dawn, passing through superior conjunction on March 6th to reappear in the evening around the end of March.
The best evening apparition of 2017 will be in July, with a maximum elongation of over 27°. The best morning apparition will be May at over 25°, with today being nearly as good at over 24°.
There are no transits of Mercury in 2017, the next will be Nov 11, 2019.
|Mercury Events for 2017|
|Maximum Elongation||Jan 19||24.1°W||+0.0|
|Superior Conjunction||Mar 6|
|Maximum Elongation||Apr 1||19.0°E||+0.2|
|Inferior Conjunction||Apr 19|
|Maximum Elongation||May 17||25.8°W||+0.7|
|Superior Conjunction||Jun 21|
|Maximum Elongation||Jul 30||27.2°E||+0.6|
|Inferior Conjunction||Aug 26|
|Maximum Elongation||Sep 12||17.9°W||-0.1|
|Superior Conjunction||Oct 8|
|Maximum Elongation||Nov 24||22.0°E||-0.1|
|Inferior Conjunction||Dec 12|
|Source: NASA Sky Calendar and the Mercury Chaser’s Calculator|