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Some useful links and documents provided for your private use only.

Quelques liens utiles et documents proposés pour votre seul usage privé.


Devises / Currencies : XE Converter

Valeur actualisée des devises depuis 1953 (FX Top) (Past/present currency converter) - Valeur actualisée du dollar US depuis 1774

Calcul du nombre de jours entre deux dates - Conversion de la date en Jour Julien et vice versa

WorldTimeServer - The time in the world

Convertir-unités - Conversion d'unités (U.Liège) - TranslatorsCafé - Conversioni - SI Metric - Convert World

Conversion de température

Anciennes unités de mesures - Poids et mesures dans la BibleLa valeur des monnaies antiques

Computer benmark

SiSoftware - CrystalDiskMark - iOzone - HD Tune Pro

TechPowerUp - Performance Test - HWMonitor (CPUID) - Videocard benchmark (charts)

Parkdale Hard Disk Speed Test

Historical Works in Astronomy and Astrophysics

230 KB

Edward Pickering, "Stellar Magnitudes; A Request to Astronomers", Monthly Notices of the Royal Astronomical Society, Vol. 39, 1879, p391.

1.3 MB

Henry Dreyer, "A New General Catalogue of Nebulae and Clusters of Stars, being the Catalogue of the late Sir John F.W. Herschel, Bart., revised, corrected, and enlarged", Memoirs of the Royal Astronomical Society, Vol. XLIX, 1888, pp1-237 (Introduction).

634 KB

Henry N. Russell, "Giant" and "Dwarf" stars, The Observatory, Vol. 36, June 13, 1913, pp324-329.

809 KB

Henry N. Russell (1914), "The Spectrum-Luminosity Diagram", in "Source Book in Astronomy 1900-1950", Ed.: H. Sharpley, Harvard University Press, Cambridge, Mass., 1960, pp253-262.

624 KB

Joseph Fraunhofer (1898), "Discovery and Description of Lines in the Solar Spectrum", in "A Source Book in Astronomy", Eds: H. Sharpley y H.E. Howarth, McGraw-Hill Book Company, Inc., 1929, pp196-201.

478 KB

Ejnar Hertzsprung (1905), "Giants and Dwarfs", in "Source Book in Astronomy 1900-1950, Ed.: H. Sharpley, Harvard University Press, Cambridge, Massachusetts, 1960, pp248-252

334 KB

Edwin Hubble, "Cepheids in Spiral Nebulae", The Observatory, Vol. 48, 1925, pp139-142

519 KB

Edwin Hubble, "The classification of Spiral Nebulae", The Observatory, Vol. 50, 1927, pp276-281

344 KB

Gustav R. Kirchhoff (1861), "The Absorption Spectrum of the Sun", in "A Source Book in Astronomy", Eds: H. Sharpley y H.E. Howarth, McGraw-Hill Book Company, Inc., 1929, pp279-282.

235 KB

V.M. Slipher, "Planet X - Lowell Observatory Observation Circular", JRASC, Vol.24, p.282, 12 April 1930. First ephemeris of Pluto.

651 KB

Edwin Salpeter, "The Luminosity Function and Stellar Evolution", Astrophysical Journal, Vol. 121, 1955, p161-167.

14.9 MB

K.Margaret Burbidge, G.R.Burbidge, William A. Fowler, and Fred Hoyle,"Synthesis of the elements in stars", Review of Modern Physics, Vol. 29, issue 4, October 1957, pp547-650. (aka "B2FH"). Original magazine also available.

101 KB

Giuseppe Cocconi and Philip Morrison, "Searching for Interstellar Communications", Nature, Vol. 190, September 19, 1959, p844-846.

Historical Works in Cosmology

553 KB

Edwin Hubble, "A Relation between Distance and Radial Velocity among Extra-Galactic Nebulae", Proceedings of the National Academy of Sciences of the United States of America, Vol. 15, Issue 3, 1929, pp168-173. Also in html format

315 KB

Arno A. Penzias and Robert W. Wilson, "Measurement of Excess Antenna Temperature at 4080 Mc/s", Astrophysical Journal, Vol. 142, 1965, pp419-421.

193 KB

Andrei D. Linde, "Is the Lee constant a cosmological constant?", JETP Letters, Vol.19, No.5, 1974, p183-184 (effects of scalar fields on the reheating in the universe, inflationary model).

209 KB

Alexey Starobinsky (Aleksei Starobinskii), "Spectrum of relict gravitational radiation and the early state of the universe", JETP Letters, 30, 1979, p682-685 (about the inflationary universe).

Astrophysics & Cosmology

183 KB

Modified Zurich classification of sunspots.

214 KB

Lunar Transient Phenomena Catalog NASA TR-R-277, 1968

LTP events recorded from 1500 to 1967, in html format.

4.3 MB

Lunar Transient Phenomena Catalog Extension, W.Cameron, 2006.

510 KB

"Expanding Confusion: Common Misconceptions of Cosmological Horizons and the Superluminal Expansion of the Universe", SCIRO, 2004.

5.1 MB

"The Formation and Evolution of the Milky Way", Cristina Chiappini, Obs. Astr. di Trieste, 2001. Also available on G.Djorgovski website.

1.9 MB

Halton Arp's Atlas of peculiar galaxies. Scanned document extracted from NASA Extragalactic Database (NED).

1.6 MB

EVOLSTAR, petite évolution stellaire illustrée par Benjamin Mauclaire. Cet amateur décrit l'évolution stellaire en quelque 40 pages. Ce document explique d'une autre manière ce qui a été dit dans mes dossiers éducatifs consacrés à la diversité des étoiles et l'astrophysique solaire.

729 KB

Bright Star Catalog extracted from VizieR database up to magnitude 6 (~5000 stars). Display main references (ID) and parameters including equatorial coordinates in decimal format. File in CSV format.

Catalogue des étoiles brillantes extrait de la base de données VizieR jusqu'à la magnitude 6 (~5000 étoiles). Présente les principales références (ID) et paramètres y compris les coordonnées équatoriales en format décimal. Fichier en format CSV.

57 KB

NEO, Table listing the closest encounter distance with NEO below 0.05 A.U. from Earth between 2000 and 2179.

Table listant les rencontres rapprochées des NEO à moins de 0.05 U.A. de la Terre entre 2000 et 2179. Update on CNEOS.

5.1 MB

NGC-IC2000 catalog revised, the Complete New General Catalogue of Nebulae and Star Clusters published by John L.Dreyer in 1888, completed with the galaxy class according to Hubble classification and galaxy size (axb). Includes also all IC objects, based on documents from NGC/IC project. Autoextractible compressed file in Excel format.

Historical Works in Astronautics

2.2 MB

Report of the President's Commission on Implementation of United States Space Exploration Policy (Constellation program)

A document titled "A Journey to Inspire, Innovate, and Discover", June 2004.

1.6 MB

Differential Spacecraft Charging on the Geostationnary Operational Environmental Satellites (anomalies on geostationnay satellites caused by the solar activity), Winfield H.Farthing, James P.Brown, William C.Bryant, Tehnical Memorandum ref. 83908, NASA/GSFC, 1982.

1.6 MB

Optical characteristics of artificial satellites, SD 70-55, 1 july 1970, North American Rockwell.

1.6 MB

Surveyor 1 Program Results, 1969, SP-184, NASA.


263 KB

Arthur C.Clarke, "Extra-Terrestrial Relays - Can Rocket Stations Give World-wide Radio Coverage?", Wireless Book, 1945.

Clarke discusses about the idea to place a satellite on a geostationnary orbit (the famous Clarke Orbit), and mentions the concept of space station. Autoextractible file including 4 GIF pages.

Historical Works in Electronics

539 KB

A.H. Wilson, "The Theory of Electronic Semi-Conductors", Proceedings of the Royal Society, 1931

1st realistic model of electron flow in a semi-conductor.

1.4 MB

John Bardeen, Walter Brattain, and William Shockley (Bells Labs), "Three-electrode circuit element utilizing semiconductive materials", June 17, 1948. 1st patent of the contact-point transistor, patent #2524035.

140 KB

John Bardeen and Walter Brattain (Bell Labs), "The Transistor, A Semi-Conductor Triode", Physical Review, Vol. 74, June 25, 1948, pp.230-231

Characteristics of the 1st contact-point transistor.

801 KB

Gordon E. Moore, "Cramming more components onto integrated circuits" (Moore's Law), Electronics, 38, 8, 19 Apr 1965.

Première référence à la "loi de Moore".

Reports about Nuclear Bomb Tests from GE/DASA

3.6 MB

Compilation of Local Fallout Data From Test Detonations 1945-1962 prepared for the US Defense Nuclear Agency.

Extracted from DASA 1251, Volume I - Continental U.S. Tests, 1 mai 1979, General Electric Company.

2.1 MB

Compilation of Local Fallout Data From Test Detonations 1945-1962 prepared for the US Defense Nuclear Agency.

Extracted from DASA 1251, Volume II - Oceanic U.S. Tests, 1 mai 1979, General Electric Company.

Audio files

Hundreds of audio recordings (astronomical events, astronautic transmissions, Ham QSO, animals, etc)

Radio & astronomy

7 MB

Amateur Radioastronomy by F5VLB (aussi en français)

76 KB

List of radio amateurs interested in astronomy. See the page "Hams in the Sky".


47 KB

Excel file listing SETI programs carried out to date

47 KB

Fichier Excel reprenant les programmes SETI réalisés à ce jour

Optics (Telescope, eyepieces & Photo)

383 KB

Sheet listing 624 eyepieces with specifications - Listing reprenant les spécifications de 624 oculaires

95 KB

Comparison of short tube (ST80 like) refractors - Comparaison des réfracteurs à tube court de type "ST80"

122 KB

Specifications of Tele Vue eyepieces - Spécifications des oculaires Tele Vue

54 KB

Tableau comparatif des APN Canon et Nikon 1999 à 2011 - 1999 to 2011 Comparison sheet between Canon and Nikon DSLRs

141 KB

TEX, zip file containing a program to calculate the sagitta of a mirror according to J.Texereau's book

TEX, fichier zip contenant un programme permettant de calculer la flèche d'un miroir selon le livre de J.Texereau

701 KB

Total eclipse of the Sun sheet, prepared by

13 MB

"Motorisation directdrive pour nos télescopes", C.Cavadore, Alcor-System, 2014

2.4 MB

"Démocratiser l'interférométrie", R.Rydel, SAF, 2007 (analyse du front d'onde des optiques)

710 KB

"A simple Design For Building Large Reflectors", John Dobson, Celestial Observer, 1973

2 MB

La collimation des télescopes, document préparé par l'AAAU

19 KB

Comparison between Celestron NexStar 5 and Meade ETX 125 - version française

2.4 MB

Transmission of Wratten filters

5.4 MB

Guide de démarrage rapide de l'APN Nikon D200, par Nikon Europe/France

Sciences and misc.

2.4 MB

"Identifying Solar Features", chapter 2 from the book "Observing the Sun: A Pocket Field Guide" by Jamey L. Jenkins, Springer-Verlag, 2013

Identification des structures solaires.

21.7 MB

Le volcanisme et les crises de la biodiversité, Pierre Thomas/ENS/OSU Lyon

11 MB

Histoire des climats et de l'atmosphère, ENS Lyon.

716 KB

Life in ice-covered oceans, Gaidos, E. J., Nealson, K. H., Kirschvink, J. L., Science, 284, 1631, 1999

652 KB

J.R.Gott III, "Implications of the Copernican principle for our future prospects", Nature, 363, p315, 1993

Lire aussi L'espérance de vie d'une société.

42 MB

"The Limits to Growth" also named the Meadows report, Club de Rome, 1972

722 KB

The electromagnetic spectrum from 31.2 mHz to 6.52 EHz, a poster in PDF format designed by Anthony Tekatch

1 MB

"Comment se protéger en cas d'accident nucléaire ? Risques nucléaires en Belgique, les pouvoirs publics veillent à votre sécurité", Ministère de l'Intérieur, 1999

480 KB

"Flatland", Edwin Abboot, 1884, version française

259 KB

L'Art de la Guerre, Sun Tzu (443-221 avant notre ère)

1 MB

Etude approfondie des mystérieux enregistrements radars des F-16, par Auguste Meesens, 1990

9 MB

"I did see the flying disks", Kenneth Arnold, FATE, Vol.1, nbr 1, pp4-10, Spring 1948. First official UFO sighting, PDF created by T.Lombry

29 KB

Masse volumique et densité des matériaux

304 KB

Spectrum of public lighting - Spectre de l'éclairage public (Na, Hg, LED, CFL, Néon, etc.)

54 KB

Analyse physico-chimique de 231 eaux minérales (principalement européennes)

Physico-chemical analysis of 231 mineral waters (most from Europe)

339 KB

Multilingual technical dictionnary (En, Fr, Du, It, Es) - Dictionnaire technique multilingue (En, Fr, Du, It, Es)

Software & Tools

4.4 MB

Règle solaire (image PNG dont le disque mesure 55 cm de diamètre, image de 2127 x 2127 pixels) à utiliser soit par projection-oculaire soit sur ordinateur sous forme de calque semi-transparent sur l'image numérique. Document préparé par Guy Buhry de Astroblue1.


3.5 MB

CCD Calculator (.exe) by Ron Wodaski, see also the new version 1.4 and version 1.5.

31 MB

CCD Calculator additional images by Ron Wodaski (.zip)

910 KB

NGic.exe - Fichier compressé autoextractible pour les utilisateurs de systèmes Goto. Un programme de Sylvain Riballet et Elisei Damien vous permettant de connaître la période de culmination d'un objet du ciel profond du catalogue Messier, NGC ou IC et d'être sûr de pouvoir l'observer. Consulter le site des auteurs pour les mises à jour éventuelles.


1.9 MB

IPhotoMinusICC.exe (Little CMS), incl. ICC Inspector, ICC Checker and ICC Profile Generator

Vintage astronomy manuals and catalogs

Anciens manuels et catalogues d'astronomie

5.6 MB

Catalogue Carl Ziess 1908 - N/B

11 MB

Edmund Scientific, Catalog Astronomy 1962, B/W, 1968

9.5 MB

Cave Optical Catalog ~1970, color

13 MB

Unitron Catalog 1970, color

15 MB

Questar Catalog 1972, color

3.5 MB

Meade Catalog 1972 (refractors), B/W

7.6 MB

Celestron Catalog 1974, color

5 MB

Meade Catalog 1978 (reflectors), B/W

6.1 MB

Celestron Catalog 1978, color

7.7 MB

Criterion Catalog 1978, color

2 MB

Telescope World Catalog 1979, color and B/W

9 MB

Catalogue Clavé 1985, FR/UK, noir et blanc, B/W

2 MB

Telescope World Catalog 1979, color and B/W

14.4 MB

Vixen-Optics Catalog 2003, color

4 MB

Celestron CompuStar manual, 1988, B/W

1.2 MB

Meade LX200 Classic Instruction Manual, 1992, B/W

3.3 MB

Celestron NexStar 4 Manuel d'utilisation, 1996, B/W

2.6 MB

Celestron 8" ULTIMA 2000 Manual, 1996, B/W

12.7 MB

Celestron Catalog 2010-2011, color

14.4 MB

Vixen-Optics Catalog 2003, color

45 MB

Celestron Catalog 2014, color

65 MB

Celestron Catalogue 2014, français, couleur

1.2 MB

Meade ETX Mode d'emploi (ETX90, 105 et 125 Premier Edition), 1996, N/B

3.3 MB

Celestron NexStar SE Manuel d'utilisation (4 SE, 5 SE, 6 SE, 8 SE), 2003, couleur

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