Sponsor this Chart Palisades-Dows   Observatory Clear Sky Chart legend page Image Control 2. Click on a block to   show full forecast map 3. Display color legend…

features sky default catalogue of over   600,000 stars extra catalogues with more than 210 million stars asterisms and   illustrations of the constellations constellations for 15 different cultures

Sky & Tel covers the latest night-sky   events, astronomy news, astrophotography and observing tips. Also browse our   video & podcast guides to t…