H 2 O maser sources spectral data at 22 GHz. I began this project 27.08.1998 for displaying spectral data at 22 GHz of water maser. While data will concerning in base Puschino many year (1979-1998 yy) regular observations of sample of these sources. Sources . R.a. (1950.0) . ... The figures with many years spectral data (day-month-year) . The behavior of flux . The behavior of spectral components . ... All spectra 1981-94 . ... The some spectral component: many year behavior . ...

GCVS Variability Types and Distribution Statistics of Designated Variable Stars According to their Types of Variability ======================================================================== I. GCVS Variability Types. ... Amplitudes usually do not exceed 0.1 mag. ... RR Variables of the RR Lyrae type, which are radially-pulsating giant A-F stars having amplitudes from 0.2 to 2 mag in V. Cases of variable light-curve shapes as well as variable periods are known. ... RV Variables of the RV Tauri type. ...

... Home Articles An Asymmetrical Mount For a 17.5? Newtonian . ... Beyond New York City . ... An Asymmetrical Mount For a 17.5" Newtonian . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... I live in New York City. ... The basic Dobsonian design uses a mirror box. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

Crater Gassendi . ... I made this drawing was made on the 26th of november 2001. If you compare this one with the previous drawing of Gassendi (below) the differences are clear. ... This drawing was made on the 28th of september 2001. After nearly a full month without observations I had a one hour gap between the thicker clouds. ... This drawing was made on the 29th of august 2001. ... This drawing was made on the 27th of august 2001. ... This drawing was made on the 25th of august 2001. ...

... We have two new members this month DENNIS MAHER from Waltham VANESSA THOMAS from Framingham - Dan Winchell - Clubhouse Saturday Schedule Mar ch 4 March 11 March 18 March 25 April 1 Mike Hill Steve Clougherty Closed for Work Party John Panaswich Bill Toomey Gary Jacobson Rich Nugent Glen Meurer Joseph Rothchild 2 CLEANING PROCEDURES for OPTICAL COMPONENTS V.3 Feb. ... March 1st (cloud date March 2nd) ­ Greenhalge School, 149 Ennell Street, Lowell. 150 students and parents expected. ...

... All circuit parameters have been presented in a symbolic form. ... To use the program you will need a CIR file (PSpise, DesignLab file) of your circuit. CIR file examples have been enclosured: bpasside.cir, test1.cir, test2.cir, test3.cir, test4.cir, laksamp.cir, bridge.cir, uA741acf.cir, quartz.cir. ... Ideal operational amplifier (nullor) * Nname n1 n2 n3 n4 * * In the ideal op amp data, (n1,n2) represent output nodes, * (n3,n4) represent input nodes (noninverting, inverting). ...

Cosmic Ray laboratory of . ... Neutron Monitor (Cosmic Ray Observations) . is situated in Irkutsk (Russia) . ... Height - location above sea level . ... Height: . ... For recording the CR (Cosmic Rays) neutron component at Irkutsk, . neutron monitor NM-64 is used, which is an installation with 18 two-meter proportional counters filled with BF 3 (boron trifluoride gas) in which the B 10 90 per cent of the total boron. ... The neutron monitor is located at 475m above sea level. ...