Citizen Scientists Confirm the Infrared Signature of Rare R Coronae Borealis Stars

R Coronae Borealis (RCB) stars are among the rarest objects in the sky. These hydrogen-deficient supergiant stars — fewer than 150 have been confirmed in our entire galaxy — experience dramatic and unpredictable brightness drops, sometimes fading by seven or eight magnitudes over just a few weeks. The cause is striking: clouds of carbon dust …

Annual Research Report 2023: Laying the Groundwork for Citizen Science at RFO

The RFO Research Committee was founded in the spring of 2021. By 2023, it had grown into a functioning research organization with regular observing sessions, active software development, new instrumentation, student research partnerships, and an in-progress publication. This report summarizes the work of the committee across 2023 — a year of building foundations. Observations and …