From Herschel's catalog, the first accurate stellar parallax measurement of 0.32 seconds of arc for the star 61 Cygni was published by the F.W. Bessel in 1838. ... This distance is equivalent to 3.26 light years. ... The Universe was now a large place and the intrinsic energy output of the stars had to be huge in order that their light could reach us. ... An Orbit in Curved Space This is a prediction made by General Relativity and confirmed by direct observation of Mercury. ...

... The ST-ECF consisted, until its closure in December 2010, of a small group of astronomers, software scientists and media specialists who support Hubble science in Europe and collaborate internationally on HST science, instrument, archive and outreach activities. provided detailed technical information about the HST and its science instruments, . supported European astronomers in the preparation of HST observing proposals . ... acted as a European centre for associated meetings and workshops, . ...

... The Russian Soyuz TMA-5 manned transport spacecraft docked to the Orbital Complex of the International Space Station (ISS). ... A Russian manned transportation spacecraft Soyuz TMA-5 developed and manufactured at the S.P. Korolev Rocket and Space Corporation Energia was launched to the International Space Station (ISS), in low-Earth orbit since November 1998. The launch of the Soyuz-FG launch vehicle carrying the Soyuz TMA-5 spacecraft took place at 7:06:28 Moscow Daylight Saving Time. ...

Follow-up astrometry and recoveries are made with the ANU 40 inch (1.0-m) f/8 reflector at Siding Spring Observatory (IAU code 413). ... A routine follow-up of 2003 WY153 on 2003 Dec 15 became much more than routine when a faint object with unusual motion vector was found close to the target asteroid. ... During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the asteroid was found on March 30 to have a short tail! ... Siding Spring Survey Main Page . ...

... Mark C. Lee (Colonel, USAF, Ret.) NASA Astronaut (former) . ... EDUCATION: Graduated from Viroqua High School, Viroqua, Wisconsin, in 1970; received a bachelor of science degree in civil engineering from the U.S. Air Force Academy in 1974, and a master of science degree in mechanical engineering from Massachusetts Institute of Technology in 1980. ... NASA EXPERIENCE: Lee was selected as an astronaut candidate by NASA in May 1984. ... Lee retired from NASA and the Air Force effective July 1, 2001. ...

... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Mars . ... Mars mission team addressing vacuum leak on key science instrument . ... A key science instrument that will be carried aboard NASA's Interior Exploration Using Seismic Investigations, Geodesy and Heat Transport (InSight) spacecraft being prepared for launch in March 2016 is experiencing a leak in the vacuum container carrying its main sensors. ... Only registered members of Astronomy.com are allowed to comment on this article. ...

... Australia Telescope Steering Committee . ... radio telescopes involved in the LIGO/Virgo. ... The Australian radio telescopes involved in the EM follow-up are both located at CSIROтАЩs Murchison Radio-astronomy Observatory (MRO) тАУ the Australian SKA Pathfinder (ASKAP) and the Murchison Widefield Array (MWA). ... The MWA, through cooperative agreements with LIGO and other telescopes, is able to follow up time-critical astronomical events such as gravitational wave events and gamma-ray bursts. ...

ATM Forum Message . Forums: . ... Discussion Forums | ... Post . ... Forum List | Follow Ups | Post Message | ... Posted by lisa11 on December 31, 2008 06:24:26 UTC . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Apparent Close Approaches of NEAs to the Stars for April 2016 Observatory 168 Kourovskaya 2016-Apr-01/18h24.9m/ Dist = 4.8 AV= 1.3 / min PA= 85.8° A= 50° h= 26° 1685 Toro RA= 8h07m57.634s Dec =+ 2°46'41.37 m= 16.0 UCAC2 32693651 RA= 8h07m57.649s Dec =+ 2°46'46.16 m= 15.1 2016-Apr-03/17h36.5m/ Dist = 10.0 AV= 5.3 / min PA= 53.5° A= 108° h= 24° 137170 1999 HF1 RA= 4h20m04.184s ...

This is a personal project collecting and documenting early images of Harvard College Observatory, focusing on the site at Observatory Hill (previously Summer House Hill). ... The current focus is through about 1920, and filling out the history of the Cambridge location, and buildings. ... Because I'm also interested in the history of printing and image reproduction, some of the information here will emphasize that viewpoint. ... All images plus additional timeline notes (138) . ... Selina Bond (0) . ...

Proposal Identi cation No.: R1411 Date Received: 2000-Mar-10 13:51:39 Technical Page Proposal Type: Urgent General Category: Planetary Radar Observation Category: Solar System Total Time Requested: 3 Hours Proposal Title: Radar imaging of near-Earth asteroid 2000 ED14 ABSTRACT: A 200 meter diameter object discovered on March 4 follows an orbit with a close approach distance to Earth of 0.058 AU on March 20. ...

... Asteroid 23593 images obtained using the Faulkes Telescope North at Haleakala, operated by Las Cumbres Observatory. ... My main project was to search through archive images of the Subaru telescope looking for and identifying asteroids. ... Two of the known asteroids were asteroid 23593 and asteroid 71250. ... The pictures below were taken with the Faulkes telescope and show the asteroid 23593 in its state at 11/08/2015 ten years after I identified it in the Subaru telescope's image archive. ...

... 4.81 04 March telescope transient ----------------------------------------------------------------------------- 6584 01 March William Optical V=21.3 Hershel transient I=20.6 and source Isaak Newton V 23.6 09 March Telescopes I 22.2 ----------------------------------------------------------------------------- 6618 03 March ARC Optical b_J=23.3+/-0.5 ...

... Samara State Aerospace University Research Research and education centers Space Instruments Engineering Institute (IKP-214) . ... Developing and producing experimental test sets for modelling space environment factors interaction with spacecraft structural elements. ... Basic technolgy research set for testing equipment and interconnecting systems and small spacecraft carrying breadboard design, dynamic, thermal vacuum testing and testing of electronic equipment for electromagnetic compatibility. ...

... These trajectories have an initial flight from the Earth to a large distance (of about 1.5 million km), the following passive flight to the Moon's orbit, an approach to the Moon with a decrease of an energy of a particle (spacecraft) selenocentric motion to a negative value and the temporary capture in an elliptic orbit of the Moon's satellite. ... Several trajectories of this type are determined. ... Ivashkin V. V. On optimal trajectories of space flight to the Moon in the Earth--Moon--Sun system. ...

An example of visual expert system. The program is written on Actor Prolog. -- -- (c) Alexei A. Morozov, March 19, 1999. ... Actually I wrote this program to train myself -- -- in carrying out SADT interview. ... A logical description of the blocks of the SADT model. ... The main purpose of these classes is keeping lists of cooking -- -- battery corresponding to various blocks of the SADT model. ...

... Space flight . ... Space camp . Space Hotel . ... The system of SOS (Small Orbit Station) must base on the operation in various combinations of the following orbital objects - standard elements of SOS: . ... The cargo module-spacecraft "Docking module" (DM) designed for ISS, . ... Service power module (SPM) on basis of DM, . ... SPM, analogously to DM, is delivered (is actively docked) to the board of SOS within the cargo module-spacecraft. ... Projects / Space hotel: General description . ...

... Satellite data ] . ... Data organization and access. ... The following data types are used for storage of information relevant to the project: . ... All data available within the Pavodok-96 project are copyright ї Space Monitoring Information Support laboratory (SMIS IKI RAN). Neither the data themselves nor any materials obtained with the use of these data can be used for commercial purposes and/or by any mass-media or public information system without prior writting permission from SMIS IKI RAN. ...

Download Izmccd (~2.7 MB). Solution of problems at identification of star field. ... 2) Scale is not correct. ... In this case algorithm of identification will revise all values of scale from twice smaller up to twice greater. ... There should be more than value of the field "Number of stars in frame". ... The star field is considered identified if number of the identified stars more or equally to this value. It is necessary to set value from 4 up to value of field "Number of stars in frame". ...

Interball-Tail Magnetic field measurements . Magnetic field measurements on-board the Interball Tail Probe are carried out by the FM-3I and MIF instruments. ... FM-3 M2 magnetometer failed in February 1996, FM-3 M1 and MIF are working until now. Data presented here are the combination of the data of all magnetometers. First of all FM-3 M1 data are used, if they are absent, MIF data used and if data of both magnetometer are absent, FM-3 M2 data presented. ...