The Vintage Hale Observatories 35mm Slides featuring Galaxies & Nebulas are a collection of original, landscape-oriented color film slides showcasing stunning images of celestial bodies such as the Crab Nebula. Produced by Hale Observatories in the United States between 1948-1969, these vintage slides offer a unique glimpse into the world of astronomy and space exploration. Each set includes 5 groups of 20 slides each, providing a total of 100 images for collectors and enthusiasts to enjoy and appreciate. The 2x2 inch size and original print make these slides a valuable addition to any space-themed collection.