tube currents Dewing tends to happen when the sky is clear, the temperature is dropping and there Each column represents a different hour. facebook twitter. Camera sensors will have reduced noise. This observing program is open to all Astronomical League (AL) members throughout the United States and overseas. You can also help keep clear sky charts free for everyone by being a sponsor. Copyright 2020 A. Danko. The line, labeled Transparency, forecasts the transparency of the air. For an even cheaper night skiing option in … Just keep using it. It's a prediction of when Colorado Springs, CO, will have good weather for astronomical observing. Greeley : Home of the University of Northern Colorado. Thanks to anyone thinking of sponsoring this page. air. Members are contacted for a last-minute impromptu through our forums.CSAS hosts public star parties, often in conjunction with nature education programs of the El Paso County Recreation Department. CMC's text page explaining this forecast is that you can help: If you find this clear sky chart, or CMC maps linked by the colored blocks, useful please send. But dewing is not simply correlated to relative humidity. Cold temperatures also mean reduced battery capacity, stiffer lubricants, stiffer electrical cables and slower LCD displays. Colorado State Forest : ... Home of public night sky programs. (Local time for Colorado Springs is -7.0 hours from GMT.) The Colorado Springs Astronomical Society (CSAS) is a nonprofit organization dedicated to the enjoyment of the nighttime sky. Above average transparency is necessary for good observation of low contrast objects like galaxies and nebulae. We regularly meet to observe the splendors of our dark, dry, Colorado skies. It's always wise to click on a colored block for the hour you want to observe and see if your location is close to a cloud edge. Canada's Wildfire Smoke Prediction System. by the word: Note also that you may observe worse seeing though your telescope than what a perfect seeing forecast would predict. No computer model forecasts convective heating well, so consider the seeing forecasts for daytime Dark Skies Colorado. So, I (Attilla Danko) wrote a script to generate the images like the one above with an instrument smaller than 11 inches. The CMC map your browser will load hours to be less accurate. Details: Visit our page to find out more! Astronomy clubs bringing the wonders of the universe to the public. here. is 76% and the mostly-cloudy accuracy is 89%. humidity forecast does not have the spatial resolution to know about small hills, valleys, or observatory walls. right 91% of the time. It is somewhat independant of the cloud cover forecast in that there can be isolated clouds in a transparent air mass, and poor transparency can occur Accuracy averaged over North America and the last 30 days: when the forecast is predicting less than 12 hours into the future, me). Share. The excellent-to-bad seeing scale is calibrated for instruments in the 11 to 14 inch range. Here 'transparency' means just what astronomers mean water vapor content of the air. the total transparency of the atmosphere from ground to space. It's the astronomer's forecast. It's local time, in 24hr format. It's because seeing is not very related to the To see CMC's full map for a particular hour, click on a colored block. Read the image from left to right. Clear Sky Charts in Colorado. In addition to monthly observing sessions, we hold monthly membership meetings on the fourth Tuesday of each month. when there is very little cloud. Many are beginners* who merely want to increase their understanding of the heavens.Star parties are our most frequent activity where we meet at a dark sky site and observe the night sky. Or, if you would prefer a simplified thumbnail: But please don't copy other html or text from this page. mostly-clear forecasts (cloud<25%) have been right 80% of the time. It takes into account the sun's and moon's position, moon phase, solar cycle and contains a scattering model of the atmosphere. Bad seeing can occur during perfectly clear weather. That is because CMC's numerical weather forecasts are unique because they are specifically designed for astronomers. Canadian Meteorological Centre. Gardner is about a 2 hour drive Southwest from downtown Colorado Springs.CSAS also hosts and administers the Earth Orbiting Satellite Observing Club (EOSOC) program for the Astronomical League. Hey, this is cool. Being on a hilltop or in a small valley can make the difference between no dew and dripping telescopes. (Local time for Colorado Springs is -7.0 hours from GMT.). and the surroundings out to about 10 miles. Our club is a member society of the Astronomical League (AL) and the International Dark-Sky Association (IDA). A digit 1 on top of a 3 means 13:00 or 1pm. The colors of the blocks are the colors from CMC's forecast maps for that hour. ... Star parties are our most frequent activity where we meet at a dark sky site and observe the night sky. and planetary nebulae are quite observable in below average transparency. next few days. Chart Preview: Light Pollution Comments/Links ... Home of the Colorado Springs Astronomical Society. Colorado Springs CO 80924 › 1 Event › get directions › get directions › more info. Details | Map (may be slow) S p o n s o r e d? useful please send Allan Rahill of the CMC an email (and feel free to copy isn't much wind. What does it take to be a Dark Sky Community? CMC's seeing forecast page. Seeing is forecast for 3-hour blocks, so triples of seeing blocks will show the same color. Page updated by d800 at 2020-11-24 22:43:44 which is -7.0 hours from UTC.Update rank: 334. So see the separate smoke forecast line on this chart. The chart shows different colors than the corresponding maps because the maps use white to mean "no smoke" but the cloud and transparency forecasts use white to mean "opaque sky". The data comes from Environment Canada's Canada's Wildfire Smoke Prediction System. Typically, we schedule one official monthly star party and club meeting. It will draw hundreds of spectators eager to discover the wonders of Westcliffe and the brilliance of the dark night sky. and ground seeing mimic true atmospheric seeing. Night skiing is not included in your standard lift ticket, it’s available as an add-on, or you can just ski at night for less than day skiing. Often good seeing occurs during poor transparency. It's local time, in 24hr format. The Colorado Springs Astronomical Society (CSAS) is a nonprofit organization dedicated to the enjoyment of the nighttime sky.
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