| Hubble's Variable Nebula NGC 2261 | Gregg1956 | 4/11/12 12:29 PM | Comet!? No- this object was put into the correct category as a diffuse nebula. The bright star at the tip of the cloud of gas is called R Monocerotis. It is a variable star that is actually in the background of the this cloud of gas. The gas cloud is |