This report discusses the current method by which the APO 3.5-m telescope can be collimated. ... At this time you are NOT trying to set the tilt of the secondary, you are only trying to set its translation to be coincident with the axis of the Cassegrain hole lifting fixture. ... If the camera is exactly on the rotator axis, then the error circle will be centered on the ART crosshairs. If the camera is off the rotator axis, then the error circle will be displaced from the ART crosshairs. ...

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• Appendix

... Up: Archiving and Information Services . ... 172, Astronomical Data Analysis Software and Systems VIII, eds. D. M. Mehringer, R. L. Plante, & D. A. Roberts (San Francisco: ASP), 269 . ... This paper reviews the current situation regarding DVDs and assesses the suitability and maturity of the technology for astronomical data archives. ... If it would turn out that DVD-R technology does not have a future, we will have to find an alternative route store our data. ... Data Management Division . ...

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• Using DVD-R for Storing Astronomical Archive Data (cont'd)

... On January 1, 1925, thirty-five-year-old Edwin Hubble announced findings that ultimately established that our universe was a thousand trillion times larger than previously believed, filled with myriad galaxies like our own. ... Six years later, continuing research by Hubble and others forced Albert Einstein to renounce his own cosmic model and finally accept the astonishing fact that the universe was not immobile but instead expanding. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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Journal of the Amateur Astronomers Association of New York January 2010 Volume 58 Number 1, ISSN 0146-7662 EYEPIECE farther away from us than the Moon. ... As the year begins, the solar system's largest planet lies in the southwestern evening sky among the dim stars of Capricornus, setting four hours after the Sun. ... January 27 Mars closest to Earth. ... The planet-like object is at least 29 times as far from its star as the Earth is from the Sun, or about the distance between the Sun and Neptune. ...

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• http://www.aaa.org/EyepieceFiles/aaa/2008_04_April_Eyepiece.pdf
• http://www.aaa.org/EyepieceFiles/aaa/2010_04_April_Eyepiece.pdf

# # List of USB ID's # # Maintained by Stephen J. Gowdy # If you have any new entries, send them to the maintainer. # Send entries as patches (diff -u old new). # The latest version can be obtained from # http://www.linux-usb.org/usb.ids # # $Id: usb.ids,v 1.374 2009/01/10 08:11:02 gowdy Exp $ # # Vendors, devices and interfaces. Please keep sorted. # Syntax: # vendor vendor_name # device device_name COM RS232 Adapter 6370 ViewMate Desktop Mouse CC2201 6560 CY7C65640 USB-2.0 "TetraHub" 6830 CY7C68300A

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• http://www.astro.louisville.edu/software/sbig/archive/xmccd-4.1/xmccd-4.1e/docs/usb/usb.ids