Webb Deep-Sky Society: Double Star SectionObserving techniques, instrumentation and science for metre-class telescopes II Conference. Table of Contents. Scientific program and key topics. Key topics and speakers. Conference schedule. Astronomical Institute, Slovak Academy of Sciences. Interferometry with Meter-Class Telescopes A
Double Double Star Epsilon Lyrae with Celestron C90
Double Stars for Small Telescopes - More Than 2,100 Stellar Gems
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This atlas was written to fill a special need. More 2. If you own a small telescope already you should supplement it with a pair of binoculars, learn to use the equipment you have, and start spending time under the stars. Think of an orange as the whole sphere of the sky. The first circular map covers the north polar region, six vertical segments spaced around the equator cover the majority of the sky, and the final circular map covers the south polar region. The circular maps are stereographic projections and the vertical segment maps are transverse Mercator projections. Both projections preserve shapes well.
A symbol of the winter sky summer sky south of the equator , Orion is home to many beautiful double stars and a few multiple-star systems.
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When you have a chance to catch a clear, dark, moonless evening in August, take a glance up into the southern sky at the brilliant blue and white beauty of first magnitude Altair. Then follow the trail of the Milky Way southwest from it to the first, rather large, glowing cloud of stars you come to — which is known as the Scutum Star Cloud. A twenty degree hop to the northwest from the Cloud will land you in a triangle consisting of 70, 67,and 68 Ophiuchi. All three of these are multiple stars, but 68 Bu , a triple, is a bit beyond our reach with separations of. Stellarium screen image with labels added, click for a larger view. There are a group of stars which have become famous for their seeming ability to display a wide range of colors. One of the better known is 95 Herculis , made famous in particular by Admiral William H.