2020 the Best of the Rest of the Advanced Observing Programs
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Astronomie in Theorie Und Praxis 8. Auflage in Zwei Bänden Erik Wischnewski
Astronomie in Theorie und Praxis 8. Auflage in zwei Bänden Erik Wischnewski Inhaltsverzeichnis 1 Beobachtungen mit bloßem Auge 37 Motivation 37 Hilfsmittel 38 Drehbare Sternkarte Bücher und Atlanten Kataloge Planetariumssoftware Elektronischer Almanach Sternkarten 39 2 Atmosphäre der Erde 49 Aufbau 49 Atmosphärische Fenster 51 Warum der Himmel blau ist? 52 Extinktion 52 Extinktionsgleichung Photometrie Refraktion 55 Szintillationsrauschen 56 Angaben zur Beobachtung 57 Durchsicht Himmelshelligkeit Luftunruhe Beispiel einer Notiz Taupunkt 59 Solar-terrestrische Beziehungen 60 Klassifizierung der Flares Korrelation zur Fleckenrelativzahl Luftleuchten 62 Polarlichter 63 Nachtleuchtende Wolken 64 Haloerscheinungen 67 Formen Häufigkeit Beobachtung Photographie Grüner Strahl 69 Zodiakallicht 71 Dämmerung 72 Definition Purpurlicht Gegendämmerung Venusgürtel Erdschattenbogen 3 Optische Teleskope 75 Fernrohrtypen 76 Refraktoren Reflektoren Fokus Optische Fehler 82 Farbfehler Kugelgestaltsfehler Bildfeldwölbung Koma Astigmatismus Verzeichnung Bildverzerrungen Helligkeitsinhomogenität Objektive 86 Linsenobjektive Spiegelobjektive Vergütung Optische Qualitätsprüfung RC-Wert RGB-Chromasietest Okulare 97 Zusatzoptiken 100 Barlow-Linse Shapley-Linse Flattener Spezialokulare Spektroskopie Herschel-Prisma Fabry-Pérot-Interferometer Vergrößerung 103 Welche Vergrößerung ist die Beste? Blickfeld 105 Lichtstärke 106 Kontrast Dämmerungszahl Auflösungsvermögen 108 Strehl-Zahl Luftunruhe (Seeing) 112 Tubusseeing Kuppelseeing Gebäudeseeing Montierungen 113 Nachführfehler -
Science in the Urantia Papers
Science ¾ Scientific Validation of the UB z By Denver Pearson z By Phil Calabrese ¾ Seraphic Velocities ¾ Astronomy The Scientific Integrity of the Urantia Book by Denver Pearson As scientifically minded readers first peruse the Urantia Book, it soon occurs to them that many of its statements on the natural sciences conflict with currently held data and theories. In the minds of many this gives rise to doubts about the truthfulness of those statements. Wisdom would lead us to realize that nothing short of perfection is perfect, and anything touched by human hands has fingerprints. This should be our guiding thoughts as we contemplate the accuracy of the scientific content of the Urantia Papers. Several years ago, at the first scientific symposium, it was implied by one of the speakers that the revelation contains errors. This implication is alarming. More recently, at the second symposium held in Oklahoma, an interesting publication named "The Science Content of The Urantia Book" was made available (this document is obtainable from the Brotherhood of Man Library). In this publication is an article entitled "Time Bombs" in which the author suggests that the revelators planted certain inaccurate scientific statements in the book in order to prevent it from becoming a fetish. He states "...the revelators incorporated safeguards in the papers that would form The Urantia Book to diminish the tendency to regard it as an object of worship. What safeguards did they use? Suppose they decided to make sure that mortals reading it understood that some cosmological statements in the book would be found to be inaccurate". -
Mid-Infrared Images of Stars and Dust in Irregular Galaxies
Mid-Infrared Images of Stars and Dust in Irregular Galaxies1 Deidre A. Hunter2, Bruce G. Elmegreen3, and Emily Martin2,4 ABSTRACT We present mid-infrared to optical properties of 22 representative irregular galaxies: 18 Im, 3 BCDs, and one Sm. The mid-IR is based on images from the Spitzer Space Telescope archives. The 3.6 and 4.5 µm bands and the UBVJHK images are used to examine disk morphology and the integrated and azimuthally averaged magnitudes and colors of stars. The non-stellar contribution to the 4.5 µm images is used to trace hot dust. The 5.8 and 8.0 µm images reveal emission from hot dust and PAHs, and both may contribute to these passbands, although we refer to the non-stellar emission as PAH emission. We compare the 8.0 µm images to Hα. Im galaxies have no hidden bars, and those with double- exponential optical light profiles have the same at mid-IR. Most galaxies have similar optical and mid-IR scale lengths. Four galaxies have super star clusters that are not visible at optical bands. Galaxies with higher area-normalized star formation rates have more dust and PAH emission relative to starlight. Hot dust and PAH emission is found mostly in high surface brightness H ii regions, implying that massive stars are the primary source of heating. Galaxies with intense, wide-spread star formation have more extended PAH emission. The ratio of PAH to Hα emission is not constant on small scales. PAHs are associated with shells and giant filaments, so they are not destroyed during shell formation. -
And Ecclesiastical Cosmology
GSJ: VOLUME 6, ISSUE 3, MARCH 2018 101 GSJ: Volume 6, Issue 3, March 2018, Online: ISSN 2320-9186 www.globalscientificjournal.com DEMOLITION HUBBLE'S LAW, BIG BANG THE BASIS OF "MODERN" AND ECCLESIASTICAL COSMOLOGY Author: Weitter Duckss (Slavko Sedic) Zadar Croatia Pусскй Croatian „If two objects are represented by ball bearings and space-time by the stretching of a rubber sheet, the Doppler effect is caused by the rolling of ball bearings over the rubber sheet in order to achieve a particular motion. A cosmological red shift occurs when ball bearings get stuck on the sheet, which is stretched.“ Wikipedia OK, let's check that on our local group of galaxies (the table from my article „Where did the blue spectral shift inside the universe come from?“) galaxies, local groups Redshift km/s Blueshift km/s Sextans B (4.44 ± 0.23 Mly) 300 ± 0 Sextans A 324 ± 2 NGC 3109 403 ± 1 Tucana Dwarf 130 ± ? Leo I 285 ± 2 NGC 6822 -57 ± 2 Andromeda Galaxy -301 ± 1 Leo II (about 690,000 ly) 79 ± 1 Phoenix Dwarf 60 ± 30 SagDIG -79 ± 1 Aquarius Dwarf -141 ± 2 Wolf–Lundmark–Melotte -122 ± 2 Pisces Dwarf -287 ± 0 Antlia Dwarf 362 ± 0 Leo A 0.000067 (z) Pegasus Dwarf Spheroidal -354 ± 3 IC 10 -348 ± 1 NGC 185 -202 ± 3 Canes Venatici I ~ 31 GSJ© 2018 www.globalscientificjournal.com GSJ: VOLUME 6, ISSUE 3, MARCH 2018 102 Andromeda III -351 ± 9 Andromeda II -188 ± 3 Triangulum Galaxy -179 ± 3 Messier 110 -241 ± 3 NGC 147 (2.53 ± 0.11 Mly) -193 ± 3 Small Magellanic Cloud 0.000527 Large Magellanic Cloud - - M32 -200 ± 6 NGC 205 -241 ± 3 IC 1613 -234 ± 1 Carina Dwarf 230 ± 60 Sextans Dwarf 224 ± 2 Ursa Minor Dwarf (200 ± 30 kly) -247 ± 1 Draco Dwarf -292 ± 21 Cassiopeia Dwarf -307 ± 2 Ursa Major II Dwarf - 116 Leo IV 130 Leo V ( 585 kly) 173 Leo T -60 Bootes II -120 Pegasus Dwarf -183 ± 0 Sculptor Dwarf 110 ± 1 Etc. -
Hercules a Monthly Sky Guide for the Beginning to Intermediate Amateur Astronomer Tom Trusock - 7/09
Small Wonders: Hercules A monthly sky guide for the beginning to intermediate amateur astronomer Tom Trusock - 7/09 Dragging forth the summer Milky Way, legendary strongman Hercules is yet another boundary constellation for the summer season. His toes are dipped in the stream of our galaxy, his head is firm in the depths of space. Hercules is populated by a dizzying array of targets, many extra-galactic in nature. Galaxy clusters abound and there are three Hickson objects for the aficionado. There are a smattering of nice galaxies, some planetary nebulae and of course a few very nice globular clusters. 2/19 Small Wonders: Hercules Widefield Finder Chart - Looking high and south, early July. Tom Trusock June-2009 3/19 Small Wonders: Hercules For those inclined to the straightforward list approach, here's ours for the evening: Globular Clusters M13 M92 NGC 6229 Planetary Nebulae IC 4593 NGC 6210 Vy 1-2 Galaxies NGC 6207 NGC 6482 NGC 6181 Galaxy Groups / Clusters AGC 2151 (Hercules Cluster) Tom Trusock June-2009 4/19 Small Wonders: Hercules Northern Hercules Finder Chart Tom Trusock June-2009 5/19 Small Wonders: Hercules M13 and NGC 6207 contributed by Emanuele Colognato Let's start off with the masterpiece and work our way out from there. Ask any longtime amateur the first thing they think of when one mentions the constellation Hercules, and I'd lay dollars to donuts, you'll be answered with the globular cluster Messier 13. M13 is one of the easiest objects in the constellation to locate. M13 lying about 1/3 of the way from eta to zeta, the two stars that define the westernmost side of the keystone. -
1949 Celebrating 65 Years of Bringing Astronomy to North Texas 2014
1949 Celebrating 65 Years of Bringing Astronomy to North Texas 2014 Contact information: Inside this issue: Info Officer (General Info)– [email protected]@fortworthastro.com Website Administrator – [email protected] Postal Address: Page Fort Worth Astronomical Society July Club Calendar 3 3812 Fenton Avenue Fort Worth, TX 76133 Celestial Events 4 Web Site: http://www.fortworthastro.org Facebook: http://tinyurl.com/3eutb22 Sky Chart 5 Twitter: http://twitter.com/ftwastro Yahoo! eGroup (members only): http://tinyurl.com/7qu5vkn Moon Phase Calendar 6 Officers (2014-2015): Mecury/Venus Data Sheet 7 President – Bruce Cowles, [email protected] Vice President – Russ Boatwright, [email protected] Young Astronomer News 8 Sec/Tres – Michelle Theisen, [email protected] Board Members: Cloudy Night Library 9 2014-2016 The Astrolabe 10 Mike Langohr Tree Oppermann AL Obs Club of the Month 14 2013-2015 Bill Nichols Constellation of the Month 15 Jim Craft Constellation Mythology 19 Cover Photo This is an HaLRGB image of M8 & Prior Club Meeting Minutes 23 M20, composed entirely from a T3i General Club Information 24 stack of one shot color. Collected the data over a period of two nights. That’s A Fact 24 Taken by FWAS member Jerry Keith November’s Full Moon 24 Observing Site Reminders: Be careful with fire, mind all local burn bans! FWAS Foto Files 25 Dark Site Usage Requirements (ALL MEMBERS): Maintain Dark-Sky Etiquettehttp://tinyurl.com/75hjajy ( ) Turn out your headlights at the gate! Sign -
190 Index of Names
Index of names Ancora Leonis 389 NGC 3664, Arp 005 Andriscus Centauri 879 IC 3290 Anemodes Ceti 85 NGC 0864 Name CMG Identification Angelica Canum Venaticorum 659 NGC 5377 Accola Leonis 367 NGC 3489 Angulatus Ursae Majoris 247 NGC 2654 Acer Leonis 411 NGC 3832 Angulosus Virginis 450 NGC 4123, Mrk 1466 Acritobrachius Camelopardalis 833 IC 0356, Arp 213 Angusticlavia Ceti 102 NGC 1032 Actenista Apodis 891 IC 4633 Anomalus Piscis 804 NGC 7603, Arp 092, Mrk 0530 Actuosus Arietis 95 NGC 0972 Ansatus Antliae 303 NGC 3084 Aculeatus Canum Venaticorum 460 NGC 4183 Antarctica Mensae 865 IC 2051 Aculeus Piscium 9 NGC 0100 Antenna Australis Corvi 437 NGC 4039, Caldwell 61, Antennae, Arp 244 Acutifolium Canum Venaticorum 650 NGC 5297 Antenna Borealis Corvi 436 NGC 4038, Caldwell 60, Antennae, Arp 244 Adelus Ursae Majoris 668 NGC 5473 Anthemodes Cassiopeiae 34 NGC 0278 Adversus Comae Berenices 484 NGC 4298 Anticampe Centauri 550 NGC 4622 Aeluropus Lyncis 231 NGC 2445, Arp 143 Antirrhopus Virginis 532 NGC 4550 Aeola Canum Venaticorum 469 NGC 4220 Anulifera Carinae 226 NGC 2381 Aequanimus Draconis 705 NGC 5905 Anulus Grahamianus Volantis 955 ESO 034-IG011, AM0644-741, Graham's Ring Aequilibrata Eridani 122 NGC 1172 Aphenges Virginis 654 NGC 5334, IC 4338 Affinis Canum Venaticorum 449 NGC 4111 Apostrophus Fornac 159 NGC 1406 Agiton Aquarii 812 NGC 7721 Aquilops Gruis 911 IC 5267 Aglaea Comae Berenices 489 NGC 4314 Araneosus Camelopardalis 223 NGC 2336 Agrius Virginis 975 MCG -01-30-033, Arp 248, Wild's Triplet Aratrum Leonis 323 NGC 3239, Arp 263 Ahenea -
Popular Names of Deep Sky (Galaxies,Nebulae and Clusters) Viciana’S List
POPULAR NAMES OF DEEP SKY (GALAXIES,NEBULAE AND CLUSTERS) VICIANA’S LIST 2ª version August 2014 There isn’t any astronomical guide or star chart without a list of popular names of deep sky objects. Given the huge amount of celestial bodies labeled only with a number, the popular names given to them serve as a friendly anchor in a broad and complicated science such as Astronomy The origin of these names is varied. Some of them come from mythology (Pleiades); others from their discoverer; some describe their shape or singularities; (for instance, a rotten egg, because of its odor); and others belong to a constellation (Great Orion Nebula); etc. The real popular names of celestial bodies are those that for some special characteristic, have been inspired by the imagination of astronomers and amateurs. The most complete list is proposed by SEDS (Students for the Exploration and Development of Space). Other sources that have been used to produce this illustrated dictionary are AstroSurf, Wikipedia, Astronomy Picture of the Day, Skymap computer program, Cartes du ciel and a large bibliography of THE NAMES OF THE UNIVERSE. If you know other name of popular deep sky objects and you think it is important to include them in the popular names’ list, please send it to [email protected] with at least three references from different websites. If you have a good photo of some of the deep sky objects, please send it with standard technical specifications and an optional comment. It will be published in the names of the Universe blog. It could also be included in the ILLUSTRATED DICTIONARY OF POPULAR NAMES OF DEEP SKY. -
Astronomy Magazine 2020 Index
Astronomy Magazine 2020 Index SUBJECT A AAVSO (American Association of Variable Star Observers), Spectroscopic Database (AVSpec), 2:15 Abell 21 (Medusa Nebula), 2:56, 59 Abell 85 (galaxy), 4:11 Abell 2384 (galaxy cluster), 9:12 Abell 3574 (galaxy cluster), 6:73 active galactic nuclei (AGNs). See black holes Aerojet Rocketdyne, 9:7 airglow, 6:73 al-Amal spaceprobe, 11:9 Aldebaran (Alpha Tauri) (star), binocular observation of, 1:62 Alnasl (Gamma Sagittarii) (optical double star), 8:68 Alpha Canum Venaticorum (Cor Caroli) (star), 4:66 Alpha Centauri A (star), 7:34–35 Alpha Centauri B (star), 7:34–35 Alpha Centauri (star system), 7:34 Alpha Orionis. See Betelgeuse (Alpha Orionis) Alpha Scorpii (Antares) (star), 7:68, 10:11 Alpha Tauri (Aldebaran) (star), binocular observation of, 1:62 amateur astronomy AAVSO Spectroscopic Database (AVSpec), 2:15 beginner’s guides, 3:66, 12:58 brown dwarfs discovered by citizen scientists, 12:13 discovery and observation of exoplanets, 6:54–57 mindful observation, 11:14 Planetary Society awards, 5:13 satellite tracking, 2:62 women in astronomy clubs, 8:66, 9:64 Amateur Telescope Makers of Boston (ATMoB), 8:66 American Association of Variable Star Observers (AAVSO), Spectroscopic Database (AVSpec), 2:15 Andromeda Galaxy (M31) binocular observations of, 12:60 consumption of dwarf galaxies, 2:11 images of, 3:72, 6:31 satellite galaxies, 11:62 Antares (Alpha Scorpii) (star), 7:68, 10:11 Antennae galaxies (NGC 4038 and NGC 4039), 3:28 Apollo missions commemorative postage stamps, 11:54–55 extravehicular activity -
ASTR 1020 Homework Solutions
ASTR 1020 Homework Solutions Chapter 1 24. Set up a proportion, but be sure that you express all the distances in the same units (e.g., centimeters). The diameter of the Sun is to the size of a basketball as the distance to Proxima Centauri (4.2 LY) is to the unknown distance (X), so (1.4 × 1011 cm) / (30 cm) = (4.2 LY)(9.46 × 1017 cm/LY) / (X) Rearranging terms, we get X = (4.2 LY)(9.46 × 1017 cm/LY)(30 cm) / (1.4 × 1011 cm) = 8.51 × 108 cm = 8.51 × 103 km = 8510 km In other words, if the Sun were the size of a 30-cm diameter ball, the nearest star would be 8510 km away, which is roughly the distance from Los Angeles to Tokyo. 27. The Sun’s hydrogen mass is (3/4) × (1.99 × 1030 kg) = 1.49 × 1030 kg. Now divide the Sun’s hydrogen mass by the mass of one hydrogen atom to get the number of hydrogen atoms contained in the Sun: (1.49 × 1030 kg) / (1.67 × 10-27 kg/atom) = 8.92 × 1056 atoms. 8 11 29. The distance from the Sun to the Earth is 1 AU = 1.496 × 10 km = 1.496 × 10 m. The light-travel time is the distance, 1 AU, divided by the speed of light, i.e., 11 8 3 time = distance/speed = (1.496 × 10 m) / (3.00 × 10 m/s) = 0.499 × 10 s = 499 s = 8.3 minutes. 34. Since you are given diameter (D = 2.6 cm) and angle, and asked to find distance, you need to rewrite the small-angle formula as d = (206,265)(D) / (α). -
O Personenregister
O Personenregister A alle Zeichnungen von Sylvia Gerlach Abbe, Ernst (1840 – 1904) 100, 109 Ahnert, Paul Oswald (1897 – 1989) 624, 808 Airy, George Biddell (1801 – 1892) 1587 Aitken, Robert Grant (1864 – 1951) 1245, 1578 Alfvén, Hannes Olof Gösta (1908 – 1995) 716 Allen, James Alfred Van (1914 – 2006) 69, 714 Altenhoff, Wilhelm J. 421 Anderson, G. 1578 Antoniadi, Eugène Michel (1870 – 1944) 62 Antoniadis, John 1118 Aravamudan, S. 1578 Arend, Sylvain Julien Victor (1902 – 1992) 887 Argelander, Friedrich Wilhelm August (1799 – 1875) 1534, 1575 Aristarch von Samos (um −310 bis −230) 627, 951, 1536 Aristoteles (−383 bis −321) 1536 Augustus, Kaiser (−62 bis 14) 667 Abbildung O.1 Austin, Rodney R. D. 907 Friedrich W. Argelander B Baade, Wilhelm Heinrich Walter (1893 – 1960) 632, 994, 1001, 1535 Babcock, Horace Welcome (1912 – 2003) 395 Bahtinov, Pavel 186 Baier, G. 408 Baillaud, René (1885 – 1977) 1578 Ballauer, Jay R. (*1968) 1613 Ball, Sir Robert Stawell (1840 – 1913) 1578 Balmer, Johann Jokob (1825 – 1898) 701 Abbildung O.2 Bappu, Manali Kallat Vainu (1927 – 1982) 635 Aristoteles Barlow, Peter (1776 – 1862) 112, 114, 1538 Bartels, Julius (1899 – 1964) 715 Bath, KarlLudwig 104 Bayer, Johann (1572 – 1625) 1575 Becker, Wilhelm (1907 – 1996) 606 Bekenstein, Jacob David (*1947) 679, 1421 Belopolski, Aristarch Apollonowitsch (1854 – 1934) 1534 Benzenberg, Johann Friedrich (1777 – 1846) 910, 1536 Bergh, Sidney van den (*1929) 1166, 1576, 1578 Bertone, Gianfranco 1423 Bessel, Friedrich Wilhelm (1784 – 1846) 628, 630, 1534 Bethe, Hans Albrecht (1906 – 2005) 994, 1010, 1535 Binnewies, Stefan (*1960) 1613 Blandford, Roger David (*1949) 723, 727 Blazhko, Sergei Nikolajewitsch (1870 – 1956) 1293 Blome, HansJoachim 1523 Bobrovnikoff, Nicholas T. -
Astronomy Now the Index
Article index The Astronomy Nowindex January–December 2012, Volume 26, numbers 1–12. References are presented in the following form: Title, issue number (in bold type), page number. The issue number relates directly to the cover date, so 4 is April, 7 is July. 2012 Ask Alan 1; 86 Farpoint two-inch enhanced auto-collimator 7; 72 Elusive Wow, The By Alan Longstaff 5; 84 Farpoint U mount medium parallelogram 9; 78 Everything You Need to Know About Everything You 1; 75 What effect would a quasar have on a nearby planet? 12; 83 Galilean thermometer Need to Know About the Universe 1; 75 Can we detect Jupiter by Doppler wobble of the Sun? 4; 84 HM5 polar alignment scope 4; 80 Exoplanets: Finding, Exploring and Understanding 2; 65 When relativity was tested by comparing clocks on the 8; 84 Hotech advanced CT laser collimator Alien Worlds ground and in an aircraft what time discrepancy was 5; 84 Istar 25 pro focuser 2; 72 Explorers of the Southern Sky found? 6; 82 Kendrick Digi-Klear pad heater 10; 79 Exploring the Universe 2; 65 Why do we see Venus as a morning or an evening star? 7; 72 Magnifi iPhone camera adaptor 2; 72 Falling to Earth: An Apollo 15 Astronaut’s Journey to 3; 73 Is it possible to image the Ashen Light of Venus? 6; 82 Nexus GOTO wireless controller Earth 3; 73 How fast can a star rotate? 12; 82 Nightstreak green laser pointer 11; 80 Fritz Zwicky – An Extraordinary Astrophysicist 4; 75 Whatever happened to Hagen’s cosmic clouds? 1; 86 Northern Hemisphere two-sided planisphere 12; 78 Galileo 4; 75 Who was the Astronomer Royal