The GPS coordinates: 32° 48' 43" N and 106° 15' 56" W. For possible entry into your nav device: 32.81194 -106.26556
From Las Cruces take Hwy 70 to mile marker 199 after the border patrol checkpoint. Take the next left turn. Take Dunes Drive to the destination. It's a zone about 7 miles into the park, shortly after the backcountry camping loop trail head.
Here is the location on Google Maps.
This event will be from 6:30 pm to 9:00 pm. Sunset is 4:55 pm. The park entrance fee is $25 unless you have a park pass. For the December 14, 2023 event you will also need a reservation. Reservations are limited to 100 and they have all been assigned, there are no more. There is no wait list.
For ASLC members bringing a telescope you need to arrive by 5:00 pm.