What a Double Header – Seeing the Aurora Borealis and the Space Station on the Same Night We had an amazing coincidence occur earlier this week when, on the night of 11 May 2024, as we were waiting for the Aurora Borealis to appear, the International Space Station (ISS) streaked directly overhead.  The largest man-made object in space, the ISS is 356 feet (109 meters) end-to-end, one yard shy of the full length of an American football field including the end zones. The solar array wingspan (356 feet, 109 meters) is longer than the world’s largest passenger aircraft, the Airbus A380 (262 feet, 80 meters). In 24 hours, the space station makes 16 orbits of Earth, traveling through 16 sunrises and sunsets at a speed of 17,100 mph (4.76 miles/second). Here’s a short video of what the ISS orbit looks like as it passes 248 miles above the Earth. Note that the highlighted “cone” shows the locations that can see the ISS as it passes by. Because of its size, and the sun’s rays reflecting off its metal hull and solar panels, the ISS is very visible against the night sky – if you know when and where to look for it. Luckily, we knew that the ISS would be passing overhead that night, so we noted the compass directions that it would come from and head off to, and were prepared to look for it at the scheduled orbital pass time.
 Here’s a time sequence photo montage of the ISS passing overhead during the 6 minutes and 34 seconds that it was visible to us.  We even captured a short video of the ISS streaking through the night sky. (click on the arrows to expand the video to full screen since the ISS was shot against the dark night sky) Although we initially headed out for a chance to see the Aurora Borealis, the fact that we saw both the Northern Lights and the ISS passing overhead made for an unforgettable night. 
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The Northern Lights Made a Rare Appearance Here in New England Last night the conditions were good for potentially seeing the Northern Lights here in New England. So, on the night of 10 May 2024, we ventured out in the late evening and luckily got to see some amazing sights between 9:30 PM and 12:30 AM from a variety of locations around our town. Prior to heading out we consulted the National Oceanic and Atmospheric Administration (NOAA) Space Weather Prediction Center (https://www.swpc.noaa.gov/) to check the forecast to find out if the conditions were actually good for seeing the Northern Lights in our area – since they’re the authoritative source for solar and space environment data. 
We also checked our “Sky Live”, “Moon Calendar” and “Lumnos” apps to see what the sky conditions were, the phase of the moon, and the location of the moon in the night sky – and the viewing conditions were excellent. The only odd thing we found was that our cameras “saw” the lights (which are caused by charged particles from the Sun interacting with the Earth’s electromagnetic field) much better than our eyes. So, we had to shoot lots of photos and then see what showed up on our cameras. Needless to say, we were surprised many times because the faint colors and striations that we saw in the sky were much brighter and more pronounced in the images that our cameras captured. Here's a great write-up by Ewen Bell explaining why this occurs: "Why Auroras Look Different on The Camera" The gallery below shows photos of the Northern Lights that appeared in our town’s skies that night: (click on any photo to start the slideshow) |
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