... Observatory . ... THE HISTORY OF AAAP . ... After introductory remarks by Robert Sanders, founder of the Association, it was moved that the name of the organization be Amateur Astronomers Association of Princeton. ... 2/72 First issue of Sidereal Times, so named by Editor Roxanne Tobin. ... 5/72 Election of officers: Norman Sperling, Director; John Church, Assist. ... Sidereal Times, John gives the following report: . ... Sidereal Times.) ... Amateur Astronomers Association of Princeton Т? 2015. ...

... Jim Gunn circulated a CAD drawing (MIRCELL.DXF) on 7/24/98 showing the 2.5-m primary mirror and the locations of actuators (Figure 1) proposed to control the astigmatism of the primary mirror surface. Two rings of 12 actuators at two different radii are proposed. ... Table 1: Surface error fit parameters for astigmatism forces applied to the outer ring of Figure 1. prim94 . ... Table 2: Surface error fit parameters for astigmatism forces applied to the inner ring of Figure 1. prim95 . ...

... The images in this animation were taken using the Harvard-Smithsonian Center for Astrophysics MicroObservatory remote-controlled telescope in Arizona and processed using the MicroObservatory Image 2.1 software. ... The two images in this animation were taken at exactly the same time (2010-Oct-08, 0600 UTC), one from the remotely controlled telescope in Cambridge, MA, and the other from the remotely controlled telescope in Arizona. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Towards celestial sources above 1 THz with a heterodyne receiver based on a hot-electron bolometer mixer Sergey Ryabchun, Ivan Tretyakov, Matvey Finkel, Natalia Kaurova, Boris Voronov and Gregory Gol'tsman HOT-ELECTRON BOLOMETER (HEB) MIXER Scient ific and Educatio nal Radiophysics Center Mo scow State Pedago gical University Mo scow, Russia FIRST GROUND-BASED OBSERVATION WITH HEB MIXERS BEYOND 1 THz Submillimeter Telescope ...