When I’m this far north I regularly check out a website that gives info about possible Aurora Borealis sightings. On May 23 when I was staying at Mammoth Hot Springs campground the possibility for seeing the aurora was good so I went out at about 10 pm. The ideal spot would be as high as I could get, but unfortunately the folks at MHS don’t see to understand about light pollution. The view from the parking on the Upper Terraces was compromised by the lights below so I found a better spot on a pullout just below there with trees to hide the lights. The yellow plume in the image is steam from one of the hot springs that is lit up by the lights. Once I was satisfied with that image I turned more to the east and was able to get a nice image of the Milky Way.
Three days later I got a notice that the Aurora might again be visible. O10:15 pm on the 27th I left the Canyon Village campground and headed south to Hayden Valley. When I had parked and got out to check the view I could immediately see some lights high above, Bingo! Quickly got the camera and tripod out. Wow! Had to put the 14 mm lens on to capture the sight. The vertical spectre was amazing and moved slowly from north to northwest then faded out. This phenomenon is called “Steve” in Aurora circles for lack of a better name.
After that I concentrated on the Aurora down near the horizon and moved to different spots to get different views of it with the Yellowstone River in the foreground. In some of the images you can see a bit of the Milky Way, but the moon is waxing and it isn’t the best time for that.