Below are responses he received from AccuWeather and Weather Underground. In other words it could be a sunny day or a day with a trace of snow, which is all pretty vague. Variable Cloudiness A variation in cloud amounts with respect to time and area. Partial Clearing A portion of the sky will show a clearing trend Top Observations from Stokesville John Karaffa, Newsletter Editor Last December at one of our impromptu gatherings at the observatory, John Sellers hit upon one of the observing highlights of a lifetime. Sirius has a white dwarf companion about 24 A.U. away with an orbital period of approximately 50 years.
White dwarfs are objects of great interest.
These stars have exhausted their hydrogen supply, and their stellar evolution is at an end. Although they no longer produce nuclear energy, white dwarfs are visible because contractions have left them at a high temperature.