RS Ori is a Cepheid in the northern part of Orion. I started observing it in 2011 and so far I have made 133 visual observations. I find it easy to observe as it has 3 close companion stars of magnitude 8.0, 8.3 and 8.8. - ThreadSky

thomaskarlsson.bsky.social • 21 days ago

RS Ori is a Cepheid in the northern part of Orion. I started observing it in 2011 and so far I have made 133 visual observations. I find it easy to observe as it has 3 close companion stars of magnitude 8.0, 8.3 and 8.8.