For every image tweeted by @AndromedaBot, this bot tweets the CMD of the corresponding region.
Enter the ArXiv number of any paper to extract its tables and plot any of the data in the browser. Collaboration with Ruth Angus and others at Dot Astronomy 8.
Upload a photo and see what it would look like as taken by Curiosity! Collaboration with Becky Smethurst and Jana Grcevich at the AAS227 hack day.
Various HST-related photometric tools, including a unit converter, a queryable table of conversions between WFC3/UVIS filters and corresponding Johnson-Cousins filters, and an interactive encircled energy plot.