I, too, would like to post something green for St. Patrick’s day... did you know the Cat’s Eye nebula has a lot of [OIII] emission, which makes it glow green? A lot of images show it s as blue or red, but it’s really a pretty green object visually.

· · Mastodon Twitter Crossposter · 0 · 1 · 4
Sign in to participate in the conversation

Server run by the main developers of the project 🐘 It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!