... Space flight . ... Zero Gravity . ... The airplane volume (3,4m У 3,2m У 14.1 Л), as well as the payload of experimental equipment, allocated in the laboratory compartment, advantageously single out our airplane from the similar ones in the world. The results of tests and experiments are registered by the standard on-board aircraft systems and additional test- and measuring equipment of the customer. ... Length of the airplane . ... Flight duration . ... Auxiliary Radio Communication Equipment: . ...

RELATIVE SUNSPOT NUMBERS Description of Data from SGD Explanation of Data Reports: Relative Sunspot Numbers -- The relative sunspot number is an index of the activity of the entire visible disk of the Sun. ... The provisional daily Zurich relative sunspot numbers, Rz, were based upon observations made at Zurich and its two branch stations in Arosa and Locarno and communicated by M. Waldmeier of the Swiss Federal Observatory. ... This indicates the uncertainty above and below the predicted number. ...

. Statistics of sunspot activity . The sunspot indices . My observations . NGDC's observations . The solar regions . Links . About authors . Russian pages . The solar regions . NOAA 11300's . NOAA 11200's . NOAA 11100's . NOAA 11000's . NOAA 10900's . NOAA 10800's . NOAA 10700's . NOAA 10600's . NOAA 10500's . NOAA 10400's . NOAA 10300's . NOAA 10200's . NOAA 10100's . NOAA 10000's . NOAA 09900's . NOAA 09800's . NOAA 09700's . NOAA 09600's . NOAA 09500's . NOAA 09400's . NOAA 09300's .

About us . ... Telescopes . ... Apart from the 6-meter telescope BTA two small telescopes are operative at SAO: the 1-m and 0.6-m telescopes, both manufactured by Carl Zeiss, Jena, are located near the BTA. ... These telescopes are used for adjusting the equipment and techniques of observations used at the BTA. ... The observational time allocation and also a brief description of the equipment of the 1-m telescope, which is used either permanently or mainly on this telescope, are presented below. ...

Mathematics from the class of 2000 (section B) of the 57th school (in Russian). These problem sets, originally given in seminars, are available in TeX format, PostScript, and as Hewlett-Packard laser printer files. The syllabus "math-student" (in Russian) describes the traditional range of topics studied in math classes. ... Math Competition by Correspondence (in Russian). ... These Zip files contain problems from various years. ...

... Nova M31 2016-02a? (= AT2016adf ) (= PNV J00444349+4153401 ), CBAT TOCP discovered 2016/02/07.567 by Qiang Yin, Haochen Xue, Cheng Ji, Jiaming Liao, Mi Zhang, Aobo Wang, Yuxi Lv, Guoyou Sun and Xing Gao . Found in M31 at R.A. = 00h44m43s.49, Decl. ... Mag 18.1:2/7, Type Extragalactic nova (References: ATEL 8661 TNS ) . Nova M31 2016-01c? (= PNV J00451413+4200072) (= MASTER OT J004514.13+420007.2 ), ATEL 8603 discovered 2016/01/28.814 by MASTER robotic Net . ... Extragalactic Novae from 2015 . ...

... DESCRIPTION General Catalog of Variable Stars (GCVS database) . ... Kholopov P.N., Samus N.N., Durlevich O.V., Kazarovets E.V., Kireeva N.N., Tsvetkova T.M., 1990, General Catalogue of Variable Stars, 4rd ed., vol.IV, Nauka, Moscow. Kholopov P.N., Samus N.N., Durlevich O.V., Kazarovets E.V., Kireeva N.N., Tsvetkova T.M., 1992, General Catalogue of Variable Stars, 4rd ed., vol.IV, Bull. ... Kazarovets E.V., Durlevich O.V. Editor-in-Chief Samus N.N., 1998, New Catalogue of Suspected Variable Stars. ...

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Site . Weather . Roof Status . ... Average Max. ... 0.0 . ... In 2004, the roof was operated manually, while in 2005 through 2007, it was operated automatically by computer, but was not closed by weather sensors. ... The "Closed" column includes those nights outside the Monsoon season when the Observatory was closed due to weather (the usual cause), equipment failures, or vacation by the Winer staff in 2004 through 2006. ...

I/146 Positions and Proper Motions (Roeser+ 1988) ================================================================================ Catalogue of Positions and Proper Motions Roeser S., Bastian U. =1988A .. ... 449R ================================================================================ ADC_Keywords: Positional data; Proper motions Description: PPM North gives J2000 positions and proper motions of 181,731 stars north of -2.5 degrees declination. ... The mean epoch is near 1931. ...

Russian Space Science Internet (RSSI) is a successful result of RSSI Project. ... space oriented organizations; . ... RSSI offers for its members : . ... videoconferences via MBONE Internet protocol (there are 2 tunnels available now through the general IP network: one to NASA Internet, and another to Moscow State University); . ... It is designed so that all organizations connected to the RSSI gain access to the resources of Russian computer networks as well as world wide Internet. ... nic@rssi.ru ...

... for Cosmic Ray Observation is situated in Irkutsk (Russia). ... Real-time (preliminary) cosmic ray data in Irkutsk . ... Online Cosmic Ray and Atmospheric Pressure Data Base . ... Real-time data Uncorrected for pressure (Resolution 1 hour - 1 year) -- since 05.2001 . Real-time data Corrected for pressure (Resolution 1 min - 1 year) --- since 09.2001 . Resolution 1 hour - 1 year) --- since 06.2001 . Final data Corrected for pressure (Resolution 1 hour - 1 year) --- From 01.1975 To 07.2004 . ...

... Behemoth black hole found in an unlikely place . ... black holes . ... Distance measurement is key to producing first "complete description" of a black hole . ... For the first time, astronomers have produced a complete description of a black hole, a concentration of mass so dense that not even light can escape its powerful gravitational pull. ... That movement, the scientists said, is too slow for the black hole to have been produced by a supernova explosion. ...

... Tour Objects Tours can be created using objects from within the Autostar database or a user can enter in different objects (such as a newly discovered comet). ... Automatic Mode: As the user advances to each object, the title of the object appears on line 1 of the display while its descriptive text automatically starts scrolling across line 2. ... For example: STAR "Rigel" LANDMARK az alt "title" "description" Enter the azimuth (az) for the desired object in the following format xxxdxxmxxs. ...

... Members . ... The ATM's of Boston was founded in 1934 by a group of persons interested in assisting others in the art of optical polishing the craft of telescope making, and to learn together about the science of astronomy and the use of astronomical instruments. ... Mr. Jones introduced the club to Dr. Harlow Shapley at Harvard College Observatory. ... Regular shop activities resumed with the help of these "professional amateurs" and the club grew to 180 members. ... Club Newsletters . ...

NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...

Open System Handbook: A Guide to Building Open Systems . ... Section II of this handbook includes information on the current status of internationally accepted industry standards and specifications for open systems. ... Appendices include an overview guide to standards developing organizations and consortia, a listing of standards development organizations, and a summary of open systems environments developed by prominent standards and open systems organizations. ... Standards for Open Systems 2-10 . ...

IV International Astronomy Olympiad . ... Text of these problems is available also . ... To solve every problem you may use constants and well-known values you know by heart. ... The apparent diameter of the Moon, as seen from the Earth, is 31'. ... Can you observe a star with magnitude . ... Consider the stars as black bodies. ... Estimate the diameter of a black hole constructed using this patent from a ship with the mass of 5000 tn (1 tn = 1000 kg). ... What stars would you observe this nigth? ...

... The Military Aspects of the Soviet Cosmonautics : A Side View . This book is the first effort in an unclassified Soviet publications to provide a comprehensive overview of the Soviet military space program. Presented here are the classification of the military space systems by functions performed (Chapter 1), the analysis of the organizational evolution of the Soviet space program (Chapter 2) and the description of all observable satellite systems of military or double destination (Chapter 3). ...

... ---------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- catalog .dat 269 36020 Revised NLTT Catalogue and 1st Supplement Description of catalog columns (see Paper II for details): -------------------------------------------------------------------------------- Summary Information 1) NLTT number (drawn consecutively from 1 to 58,845) 2) binary component 3) RA ( 2000 ), epoch 2000 ( ...

... Time calculated from Fermi GBM Trigger Time = 14:12:08.67 ( Connaughton, GCN 9230 ). 1% coincident with our start zero image time. 3x3 degrees around Swift XRT position . ... SUBJECT: GRB 090424 : MASTER-Net prompt optical limit DATE: 09/04/25 20:29:42 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs E. Gorbovskoy, V. Lipunov, V.Kornilov, A.Belinski ... Our observations results: ---------------------------------------------------------------------- Fermi GRB Trigg.* ...