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The Year-Round Messier MarathonBy Harvard Pennington Product Information: 8. 50" by 11. 00", 194 pages, hardbound. Among the deepest satisfactions of amateur astronomy is knowing your way around the sky. From the familiar guideposts of the brightest stars, you confidently point your binoculars or telescope toward the Andromeda galaxy, the Hercules cluster, or the Lagoon nebula. This book was written for the person who wants to become deeply familiar with the most famous list of 110

he has produced once again a spectacular blend of theory and practice

have perfected powerful new machine methods for modeling the motions and interactions of bodies within the solar system

so that all the problems that impact on a telescope's performance can be diagnosed

” – Larry Mitchell

Publisher: Oculum-Verlag

in that many readers will not own a copy

from his early work at Mount Wilson and Palomar

which contains a number of enigmatic radio and X-ray sources

multi-armed spiral galaxy NGC 7424

What makes one telescope better than another

Here for the first time is a comprehensive discussion of the design and fabrication of these high resolution instruments

Among other objects Camelopardalis hosts the unusual planetary nebula NGC 1501