Comet Panstarrs (C/2011 L4) & Comet Lemmon (C/2012 F6
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Mathématiques Et Espace
Atelier disciplinaire AD 5 Mathématiques et Espace Anne-Cécile DHERS, Education Nationale (mathématiques) Peggy THILLET, Education Nationale (mathématiques) Yann BARSAMIAN, Education Nationale (mathématiques) Olivier BONNETON, Sciences - U (mathématiques) Cahier d'activités Activité 1 : L'HORIZON TERRESTRE ET SPATIAL Activité 2 : DENOMBREMENT D'ETOILES DANS LE CIEL ET L'UNIVERS Activité 3 : D'HIPPARCOS A BENFORD Activité 4 : OBSERVATION STATISTIQUE DES CRATERES LUNAIRES Activité 5 : DIAMETRE DES CRATERES D'IMPACT Activité 6 : LOI DE TITIUS-BODE Activité 7 : MODELISER UNE CONSTELLATION EN 3D Crédits photo : NASA / CNES L'HORIZON TERRESTRE ET SPATIAL (3 ème / 2 nde ) __________________________________________________ OBJECTIF : Détermination de la ligne d'horizon à une altitude donnée. COMPETENCES : ● Utilisation du théorème de Pythagore ● Utilisation de Google Earth pour évaluer des distances à vol d'oiseau ● Recherche personnelle de données REALISATION : Il s'agit ici de mettre en application le théorème de Pythagore mais avec une vision terrestre dans un premier temps suite à un questionnement de l'élève puis dans un second temps de réutiliser la même démarche dans le cadre spatial de la visibilité d'un satellite. Fiche élève ____________________________________________________________________________ 1. Victor Hugo a écrit dans Les Châtiments : "Les horizons aux horizons succèdent […] : on avance toujours, on n’arrive jamais ". Face à la mer, vous voyez l'horizon à perte de vue. Mais "est-ce loin, l'horizon ?". D'après toi, jusqu'à quelle distance peux-tu voir si le temps est clair ? Réponse 1 : " Sans instrument, je peux voir jusqu'à .................. km " Réponse 2 : " Avec une paire de jumelles, je peux voir jusqu'à ............... km " 2. Nous allons maintenant calculer à l'aide du théorème de Pythagore la ligne d'horizon pour une hauteur H donnée. -
Catching up with Barnard's Star. Dave Eagle Within the Constellation Of
Catching Up with Barnard’s Star. Dave Eagle Within the constellation of Ophiuchus lies Barnard’s Star. It is a fairly faint red dwarf star of magnitude 9.53, six light years from Earth, so is fairly close to us. Its luminosity is 1/2,500th that of the Sun and 16% its mass. The diameter is estimated at about 140,000 miles, so it’s quite a small, faint star and well below naked eye visibility. So why is this star so well known? In 1916 Edward Barnard looked at a photographic plate of the area. When he compared this to a similar plate made in 1894, he noticed that one of the stars had moved between the time of the two plates being taken. Although all the stars in the sky in reality are all moving quite fast, from our remote vantage point on Earth most stars appear to appear virtually static during our lifetime as their apparent motion is extremely small. Barnard’s star, being so close and moving so fast, is one of the stars that bucks this trend. So fast indeed that it will subtend the apparent diameter equivalent to the Moon or Sun in about 176 years. So compared to other stars it is really shifting. The star is travelling at 103 miles per second and is approaching us at about 87 miles per second. In about 8,000 years it will become the closest star to us, at just under 4 light years and will have brightened to magnitude 8.6. Peter van de Camp caused great excitement in the 1960’s when he claimed to have discovered a planet (or more) around the star, due to wobbles superimposed on its movement. -
Deep-Sky Objects - Autumn Collection an Addition To: Explore the Universe Observing Certificate Third Edition RASC NW Cons Object Mag
Deep-Sky Objects - Autumn Collection An addition to: Explore the Universe Observing Certificate Third Edition RASC NW Cons Object Mag. PSA Observation Notes: Chart RA Dec Chart 1) Date Time 2 Equipment) 3) Notes # Observing Notes # Sgr M24 The Sagittarias Star Cloud 1. Mag 4.60 RA 18:16.5 Dec -18:50 Distance: 10.0 2. (kly)Star cloud, 95’ x 35’, Small Sagittarius star cloud 3. lies a little over 7 degrees north of teapot lid. Look for 7,8 dark Lanes! Wealth of stars. M24 has dark nebula 67 (interstellar dust – often visible in the infrared (cooler radiation)). Barnard 92 – near the edge northwest – oval in shape. Ref: Celestial Sampler Floating on Cloud 24, p.112 Sgr M18 - 1. RA 18 19.9, Dec -17.08 Distance: 4.9 (kly) 2. Lies less than 1deg above the northern edge of M24. 3 8 Often bypassed by showy neighbours, it is visible as a 67 small hazy patch. Note it's much closer (1/2 the distance) as compared to M24 (10kly) Sgr M17 (Swan Nebula) and M16 – HII region 1. Nebula and Open Clusters 2. 8 67 M17 Wikipedia 3. Ref: Celestial Sampler p. 113 Sct M11 Wild Duck Cluster 5.80 1. 18:51.1 -06:16 Distance: 6.0 (kly) 2. Open cluster, 13’, You can find the “wild duck” cluster, 3. as Admiral Smyth called it, nearly three degrees west of 67 8 Aquila’s beak lying in one of the densest parts of the summer Milky Way: the Scutum Star Cloud. 9 64 10 Vul M27 Dumbbell Nebula 1. -
The Brightest Stars Seite 1 Von 9
The Brightest Stars Seite 1 von 9 The Brightest Stars This is a list of the 300 brightest stars made using data from the Hipparcos catalogue. The stellar distances are only fairly accurate for stars well within 1000 light years. 1 2 3 4 5 6 7 8 9 10 11 12 13 No. Star Names Equatorial Galactic Spectral Vis Abs Prllx Err Dist Coordinates Coordinates Type Mag Mag ly RA Dec l° b° 1. Alpha Canis Majoris Sirius 06 45 -16.7 227.2 -8.9 A1V -1.44 1.45 379.21 1.58 9 2. Alpha Carinae Canopus 06 24 -52.7 261.2 -25.3 F0Ib -0.62 -5.53 10.43 0.53 310 3. Alpha Centauri Rigil Kentaurus 14 40 -60.8 315.8 -0.7 G2V+K1V -0.27 4.08 742.12 1.40 4 4. Alpha Boötis Arcturus 14 16 +19.2 15.2 +69.0 K2III -0.05 -0.31 88.85 0.74 37 5. Alpha Lyrae Vega 18 37 +38.8 67.5 +19.2 A0V 0.03 0.58 128.93 0.55 25 6. Alpha Aurigae Capella 05 17 +46.0 162.6 +4.6 G5III+G0III 0.08 -0.48 77.29 0.89 42 7. Beta Orionis Rigel 05 15 -8.2 209.3 -25.1 B8Ia 0.18 -6.69 4.22 0.81 770 8. Alpha Canis Minoris Procyon 07 39 +5.2 213.7 +13.0 F5IV-V 0.40 2.68 285.93 0.88 11 9. Alpha Eridani Achernar 01 38 -57.2 290.7 -58.8 B3V 0.45 -2.77 22.68 0.57 144 10. -
Anousheh Ansari
: Fort Worth Astronomical Society (Est. 1949) August 2010 Astronomical League Member At the August Meeting: Special Guest Anousheh Ansari Club Calendar – 2 – 3 Skyportunities Star Party & Club Reports – 5 House Calls by Ophiuchus – 6 Hubble’s Amazing Rescue – 8 Your Most Important Optics -- 9 Stargazers’ Diary – 11 1 Milky Way Over Colorado by Jim Murray August 2010 Sunday Monday Tuesday Wednesday Thursday Friday Saturday 1 2 3 4 5 6 7 Third Qtr Moon Challenge binary star for August: Make use of the New Viking 1 Orbiter 11:59 pm Moon Weekend for Alvan Clark 11 (ADS 11324) (Serpens Cauda) ceases operation better viewing at the 30 years ago Notable carbon star for August: Dark Sky Site Mars : Saturn O V Aquilae 1.9 Conjunction Mercury at greatest Challenge deep-sky object for August: eastern elongation Venus, Mars and Abell 53 (Aquila) Saturn all within a this evening binocular field of First in-flight New Moon view for the first 12 New Moon shuttle repair Neal Armstrong Weekend Weekend days of August. 15 years ago born 80 years ago 8 9 10 11 12 13 14 New Moon Moon at Perigee Double shadow (224,386 miles) transit on Jupiter 3RF Star Party 10:08 pm 1 pm 5:12am High in SSW Museum Star (A.T. @ 5:21 am) Party Venus : Saturn O . 3 of separation Perseid Meteor Watch Party @ 3RF New Moon Magellan enters Fairly consistent show Weekend orbit around Venus of about 60 per hour 20 years ago 15 16 17 18 19 20 21 Algol at Minima 2:45 am - In NE First Qtr Moon Total Solar 1:14 pm Eclipse in 7 years Nearest arc of totality takes in FWAS Grand Island NE St Joseph MO Meeting With Neptune @ Columbia MO Venus at greatest Opposition Anousheh Algol at Minima eastern elongation N of Nashville TN 11:34pm Low In NE 5 am N of Charleston SC Ansari this evening 22 23 24 25 26 27 28 Full Moon Moon at Apogee 2:05 pm (252,518.miles) GATE CODES Smallest of 2010 1 am to the (within 11 hrs of apogee) DARK SKY SITE will be changed st September 1 BE SURE YOU ARE CURRENT WITH DUES to Astroboy’s Day Job Venus : Mars receive new codes O 2 Conjunction 29 31 30 Anousheh Ansari’s Mission Patch at right. -
GTO Keypad Manual, V5.001
ASTRO-PHYSICS GTO KEYPAD Version v5.xxx Please read the manual even if you are familiar with previous keypad versions Flash RAM Updates Keypad Java updates can be accomplished through the Internet. Check our web site www.astro-physics.com/software-updates/ November 11, 2020 ASTRO-PHYSICS KEYPAD MANUAL FOR MACH2GTO Version 5.xxx November 11, 2020 ABOUT THIS MANUAL 4 REQUIREMENTS 5 What Mount Control Box Do I Need? 5 Can I Upgrade My Present Keypad? 5 GTO KEYPAD 6 Layout and Buttons of the Keypad 6 Vacuum Fluorescent Display 6 N-S-E-W Directional Buttons 6 STOP Button 6 <PREV and NEXT> Buttons 7 Number Buttons 7 GOTO Button 7 ± Button 7 MENU / ESC Button 7 RECAL and NEXT> Buttons Pressed Simultaneously 7 ENT Button 7 Retractable Hanger 7 Keypad Protector 8 Keypad Care and Warranty 8 Warranty 8 Keypad Battery for 512K Memory Boards 8 Cleaning Red Keypad Display 8 Temperature Ratings 8 Environmental Recommendation 8 GETTING STARTED – DO THIS AT HOME, IF POSSIBLE 9 Set Up your Mount and Cable Connections 9 Gather Basic Information 9 Enter Your Location, Time and Date 9 Set Up Your Mount in the Field 10 Polar Alignment 10 Mach2GTO Daytime Alignment Routine 10 KEYPAD START UP SEQUENCE FOR NEW SETUPS OR SETUP IN NEW LOCATION 11 Assemble Your Mount 11 Startup Sequence 11 Location 11 Select Existing Location 11 Set Up New Location 11 Date and Time 12 Additional Information 12 KEYPAD START UP SEQUENCE FOR MOUNTS USED AT THE SAME LOCATION WITHOUT A COMPUTER 13 KEYPAD START UP SEQUENCE FOR COMPUTER CONTROLLED MOUNTS 14 1 OBJECTS MENU – HAVE SOME FUN! -
Thursday, December 22Nd Swap Meet & Potluck Get-Together Next First
Io – December 2011 p.1 IO - December 2011 Issue 2011-12 PO Box 7264 Eugene Astronomical Society Annual Club Dues $25 Springfield, OR 97475 President: Sam Pitts - 688-7330 www.eugeneastro.org Secretary: Jerry Oltion - 343-4758 Additional Board members: EAS is a proud member of: Jacob Strandlien, Tony Dandurand, John Loper. Next Meeting: Thursday, December 22nd Swap Meet & Potluck Get-Together Our December meeting will be a chance to visit and share a potluck dinner with fellow amateur astronomers, plus swap extra gear for new and exciting equipment from somebody else’s stash. Bring some food to share and any astronomy gear you’d like to sell, trade, or give away. We will have on hand some of the gear that was donated to the club this summer, including mirrors, lenses, blanks, telescope parts, and even entire telescopes. Come check out the bargains and visit with your fellow amateur astronomers in a relaxed evening before Christmas. We also encourage people to bring any new gear or projects they would like to show the rest of the club. The meeting is at 7:00 on December 22nd at EWEB’s Community Room, 500 E. 4th in Eugene. Next First Quarter Fridays: December 2nd and 30th Our November star party was clouded out, along with a good deal of the month afterward. If that sounds familiar, that’s because it is: I changed the date in the previous sentence from October to November and left the rest of the sentence intact. Yes, our autumn weather is predictable. Here’s hoping for a lucky break in the weather for our two December star parties. -
70 Ophiuchi – Realm of Orange Suns
STAR OF THE MONTH 70 Ophiuchi – Realm of Orange Suns by Steven C. Raine here is darkness of a perfect night sky all around be a separate constellation by the Arabians, judging by a except for an orange glow coming from twin spheres 13th century globe “now resting in the Borgian museum at T of light like sun-sized mandarins. The effect is Villetri.” (Motz & Nathanson, 1991.) almost like streetlights hidden in the dark and blurred to The nearness to our Sun is however only a small part of roundness by thick fog. Yet from here stars are visible this star’s renown, for 70 Ophiuchi is best known as a binary everywhere and not the stars of home although surprisingly star system. As you can see from Figure 2, the two stars similar. A clue to the location is the way the stars nearest orbit their shared centre of gravity—the barycentre—in 88 our own Sun have shifted, Sirius, Procyon and Alpha years. An orbital period which Dole notes is “almost identi- Centauri the most notably displaced and altered in radiance. cal with … Alpha Centauri A and Alpha Centauri B.” The Towards Orion is an unfamiliar star of third magnitude primary star 70 Ophiuchi A is a K1 type main sequence which happens to be a G2 type star—the Sun of humanity star with an absolute magnitude of +5.8 and the secondary (Dole, 1964). This is the environs near 70 Ophiuchi, a binary star 70 Ophiuchi B is another orange dwarf but somewhat star located amongst the closest of our celestial neighbours fainter with an absolute magnitude of +7.3 and a spectral a meagre 16.5 light years away. -
Binocular Certificate Handbook
Irish Federation of Astronomical Societies Binocular Certificate Handbook How to see 110 extraordinary celestial sights with an ordinary pair of binoculars © John Flannery, South Dublin Astronomical Society, August 2004 No ordinary binoculars! This photograph by the author is of the delightfully whimsical frontage of the Chiat/Day advertising agency building on Main Street, Venice, California. Binocular Certificate Handbook page 1 IFAS — www.irishastronomy.org Introduction HETHER NEW to the hobby or advanced am- Wateur astronomer you probably already own Binocular Certificate Handbook a pair of a binoculars, the ideal instrument to casu- ally explore the wonders of the Universe at any time. Name _____________________________ Address _____________________________ The handbook you hold in your hands is an intro- duction to the realm far beyond the Solar System — _____________________________ what amateur astronomers call the “deep sky”. This is the abode of galaxies, nebulae, and stars in many _____________________________ guises. It is here that we set sail from Earth and are Telephone _____________________________ transported across many light years of space to the wonderful and the exotic; dense glowing clouds of E-mail _____________________________ gas where new suns are being born, star-studded sec- tions of the Milky Way, and the ghostly light of far- Observing beginner/intermediate/advanced flung galaxies — all are within the grasp of an ordi- experience (please circle one of the above) nary pair of binoculars. Equipment __________________________________ True, the fixed magnification of (most) binocu- IFAS club __________________________________ lars will not allow you get the detail provided by telescopes but their wide field of view is perfect for NOTES: Details will be treated in strictest confidence. -
1455189355674.Pdf
THE STORYTeller’S THESAURUS FANTASY, HISTORY, AND HORROR JAMES M. WARD AND ANNE K. BROWN Cover by: Peter Bradley LEGAL PAGE: Every effort has been made not to make use of proprietary or copyrighted materi- al. Any mention of actual commercial products in this book does not constitute an endorsement. www.trolllord.com www.chenaultandgraypublishing.com Email:[email protected] Printed in U.S.A © 2013 Chenault & Gray Publishing, LLC. All Rights Reserved. Storyteller’s Thesaurus Trademark of Cheanult & Gray Publishing. All Rights Reserved. Chenault & Gray Publishing, Troll Lord Games logos are Trademark of Chenault & Gray Publishing. All Rights Reserved. TABLE OF CONTENTS THE STORYTeller’S THESAURUS 1 FANTASY, HISTORY, AND HORROR 1 JAMES M. WARD AND ANNE K. BROWN 1 INTRODUCTION 8 WHAT MAKES THIS BOOK DIFFERENT 8 THE STORYTeller’s RESPONSIBILITY: RESEARCH 9 WHAT THIS BOOK DOES NOT CONTAIN 9 A WHISPER OF ENCOURAGEMENT 10 CHAPTER 1: CHARACTER BUILDING 11 GENDER 11 AGE 11 PHYSICAL AttRIBUTES 11 SIZE AND BODY TYPE 11 FACIAL FEATURES 12 HAIR 13 SPECIES 13 PERSONALITY 14 PHOBIAS 15 OCCUPATIONS 17 ADVENTURERS 17 CIVILIANS 18 ORGANIZATIONS 21 CHAPTER 2: CLOTHING 22 STYLES OF DRESS 22 CLOTHING PIECES 22 CLOTHING CONSTRUCTION 24 CHAPTER 3: ARCHITECTURE AND PROPERTY 25 ARCHITECTURAL STYLES AND ELEMENTS 25 BUILDING MATERIALS 26 PROPERTY TYPES 26 SPECIALTY ANATOMY 29 CHAPTER 4: FURNISHINGS 30 CHAPTER 5: EQUIPMENT AND TOOLS 31 ADVENTurer’S GEAR 31 GENERAL EQUIPMENT AND TOOLS 31 2 THE STORYTeller’s Thesaurus KITCHEN EQUIPMENT 35 LINENS 36 MUSICAL INSTRUMENTS -
Star Name Identity SAO HD FK5 Magnitude Spectral Class Right Ascension Declination Alpheratz Alpha Andromedae 73765 358 1 2,06 B
Star Name Identity SAO HD FK5 Magnitude Spectral class Right ascension Declination Alpheratz Alpha Andromedae 73765 358 1 2,06 B8IVpMnHg 00h 08,388m 29° 05,433' Caph Beta Cassiopeiae 21133 432 2 2,27 F2III-IV 00h 09,178m 59° 08,983' Algenib Gamma Pegasi 91781 886 7 2,83 B2IV 00h 13,237m 15° 11,017' Ankaa Alpha Phoenicis 215093 2261 12 2,39 K0III 00h 26,283m - 42° 18,367' Schedar Alpha Cassiopeiae 21609 3712 21 2,23 K0IIIa 00h 40,508m 56° 32,233' Deneb Kaitos Beta Ceti 147420 4128 22 2,04 G9.5IIICH-1 00h 43,590m - 17° 59,200' Achird Eta Cassiopeiae 21732 4614 3,44 F9V+dM0 00h 49,100m 57° 48,950' Tsih Gamma Cassiopeiae 11482 5394 32 2,47 B0IVe 00h 56,708m 60° 43,000' Haratan Eta ceti 147632 6805 40 3,45 K1 01h 08,583m - 10° 10,933' Mirach Beta Andromedae 54471 6860 42 2,06 M0+IIIa 01h 09,732m 35° 37,233' Alpherg Eta Piscium 92484 9270 50 3,62 G8III 01h 13,483m 15° 20,750' Rukbah Delta Cassiopeiae 22268 8538 48 2,66 A5III-IV 01h 25,817m 60° 14,117' Achernar Alpha Eridani 232481 10144 54 0,46 B3Vpe 01h 37,715m - 57° 14,200' Baten Kaitos Zeta Ceti 148059 11353 62 3,74 K0IIIBa0.1 01h 51,460m - 10° 20,100' Mothallah Alpha Trianguli 74996 11443 64 3,41 F6IV 01h 53,082m 29° 34,733' Mesarthim Gamma Arietis 92681 11502 3,88 A1pSi 01h 53,530m 19° 17,617' Navi Epsilon Cassiopeiae 12031 11415 63 3,38 B3III 01h 54,395m 63° 40,200' Sheratan Beta Arietis 75012 11636 66 2,64 A5V 01h 54,640m 20° 48,483' Risha Alpha Piscium 110291 12447 3,79 A0pSiSr 02h 02,047m 02° 45,817' Almach Gamma Andromedae 37734 12533 73 2,26 K3-IIb 02h 03,900m 42° 19,783' Hamal Alpha -
Eric L. N. Jensen
Eric L. N. Jensen Department of Physics and Astronomy [email protected] Swarthmore College http://astro.swarthmore.edu/~jensen/ Swarthmore, PA 19081 USA Office: 610-328-8249 Education Ph.D. in Astronomy, University of Wisconsin-Madison, August 1996; dissertation supervised by Robert Mathieu. Master of Science in Astronomy, University of Wisconsin-Madison, August 1992. Additional study of physics, astronomy, and mathematics, University of Minnesota, 1989–1990; Dean’s list Fall 1989. Bachelor of Arts in Physics, Carleton College, 1987. Graduated magna cum laude with distinction in Physics. Teaching and Research Experience Professor of Astronomy, Swarthmore College, 2012–present; Associate Professor 2004–2012; Assistant Professor 1998–2004. Physics & Astronomy Department Chair 2009–2014 (on leave academic year 2012–2013). Instructor and Visiting Research Associate, Arizona State University, 1996–1998. Teaching Assistant, University of Wisconsin–Madison, Sept.–Dec. 1990, Jan.–May 1996. Research Assistant, UW-Madison, 1991–1996. Instructor in physics, astronomy, and mathematics, Lake Forest Academy, Lake Forest, Illinois, 1987–1989. Grants “Collaborative Research: Triangulating on the Ages of Stars: Using Open Clusters to Calibrate Stellar Chronometers from Myr to Gyr Ages,” National Science Foundation, August 2011–July 2016. (Phillip Cargile, Vanderbilt University, PI) “Placing our Solar System in Context Through the Characterization of Long-Period Exoplanets,” National Science Foundation, August 2011–July 2014. (David Ciardi, Caltech, PI) “Testing Pre-Main-Sequence Stellar Models and Calibrating Age Determinations for Young Stars,” National Science Foundation’s Research Opportunity Award program (with Keivan Stassun, Vanderbilt University), August 2008–July 2009. “Binary Debris Disks: Follow-on Observations of Spitzer Discoveries,” NASA’s Spitzer Space Telescope, July 2008–September 2010.