Images from the 2019 Mercury Transit made with Tele Vue gear have now been posted to social media. We present here the best (with permission) and note that Tele Vue Powermate™ amplifiers “shone” in the creation of most. Not only does Powermate™ help fast, modern scopes achieve a focal length suitable for imaging the tiny planet, but some high-end, drawtube-side, narrow-band filters requires a Powermate’s telecentric operation to create parallel rays for best image contrast. (See Daystar application of Rear-Mounted Filter page).
It was Johannes Kepler (of “Kepler’s Laws of Planetary Motion” fame) that first predicted transits of Mercury over the face of the Sun. He predicted the May 1607 event and November 1631 event. However, nobody knew how big (or small) Mercury would appear against the Sun, leading Kepler to misidentify a sunspot as the planet when he observed the the first prediction. Kepler was deceased by the time of the second event, but a French astronomer confirmed the transit took place.
The next Mercury Transit is set for 4-days from now: November 11, 2019. This blog will tell you all you need to know to view and image this rare sight!
Now is the time to prepare for the premier astronomical event of 2019!
While there are at least 20 solar eclipses in a decade, there will be only 13 transits of Mercury each century! The next one, on November 11th is less than 8 weeks away. You should be checking your gear and doing dry runs on the Sun now (hopefully with sunspots) to prepare for this rare event: the one after this will be a long way off in the year 2032.
The premier event of 2019 awaits the end of the year when Mercury appears to pass over the face of the sun (as seen from Earth) on November 11thfrom 12:35 to 18:04 UT. Due to its diminutive size — only 10-arc-seconds in diameter — eclipse glasses over your eyes will not do: you’ll need a properly solar filtered telescope, binocular, or telephoto lens to view it (see Viewing/Imaging Resources at bottom). Don’t miss it as the next transit of Mercury won’t be until 2032.
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