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68201. Raytrace Programs for ATMs
... For many ATMs, having a good ray trace program on hand is pretty valuable. ... http://www.willbell.com . ... It is a slick Windows package with great graphics, but my most recent machine (Win95 OSR2) now encounters many error messages. ... OSLO LT : This is the freeware Windows version of OSLO - it is limited to 12 surfaces, but is otherwise amazing. ... KDP : This is another powerful, freeware Windows raytrace package. ... ZEMAX : This is yet another powerful, Windows raytrace package. ...
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Ссылки http://www.atmob.org/library/member/RaytraceProgramsforATMs.html -- 6.5 Кб -- 10.06.2006
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68202. Falling Stars and Mosquitoes - Leonids '98 Florida...
... Among the last vestiges of this older Keys, along side the sand-blue waters, bridges, eagle nests, and mangroves, are some of the blackest, deepest night skies I have ever heard tell of. For over a year, I had planned to observe the 1998 Leonids from Long Key State Park at Mile Marker 67. ... AND of course, there were MOSQUITOES and NO SEE UMS! Bugs beyond any hope of counting, from first night to last, bugs I can only remember having experienced before in the Everglades in Wet Season. ...
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Ссылки http://www.atmob.org/library/member/L_Gramer_Leonids_98.html -- 15.4 Кб -- 10.06.2006
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68203. Geminids meteor shower - 1999
New England observer Lew Gramer, fresh back from his mid-November fish observing and meteor-catching expedition in South Florida, reports that December also promises to be a great month for celestial sky-sparks!" ... Other showers adding to the mix this month include several very minor showers, such as the Chi Orionids (3 Dec), Monocerotids (9 Dec) and Sigma Hydrids (12 Dec), which usually contribute no more than 2 or 3 meteors per hour during even post-midnight observing this month. ...
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Ссылки http://www.atmob.org/library/member/LewGeminids.html -- 5.4 Кб -- 10.06.2006
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68204. ATMoB: Christmas Mystery
... My mother had a 'star named for me' with the International Star Registry (henceforth ISR) as a gift for this Christmas. ... On the back of the chart, a sticker described the precise location and visual magnitude of the star, taken from the Hubble Guide Star Catalog. The first thing I noticed, was the chart was Epoch 1950. ... The coordinates were also exactly those on the ISR sticker, so I now knew that even though the ISR chart was epoch 1950, the coordinates on the sticker were epoch 1983. ...
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Ссылки http://www.atmob.org/library/member/ISR.html -- 4.4 Кб -- 10.06.2006
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68205. About Lew Gramer
... I was an active amateur from 1976-1983, observing meteors from 1978 on. ... I finally got back into the hobby in 1995, joining the North Shore Amateur Astronomy Club in 1996 and then the ATMs of Boston and NHAS in 1997. ... Lew Gramer maintains two email lists related to amateur observing: http://www.visualdeepsky.org (devoted to observing logs of deep-sky objects from amateurs) and: http://www.meteorobs.org (devoted to amateur meteor observing) ...
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Ссылки http://www.atmob.org/library/member/L_Gramer_Bio.html -- 3.0 Кб -- 10.06.2006
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68206. A personal account of how one amateur got started in astronomy
... I am a regular reader of the postings to [usenet newsgroup] SciAstroAmateur, and recently there was an interesting discussion of what constituted an amateur astronomer as opposed to a professional. Some opined that a professional was one who got paid for being an astronomer; all others were amateurs. ... One clear night I decided to see if I could see the moon with the scope and sure enough, the craters along the terminator were quite clear, even using the 6mm EP. ...
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Ссылки http://www.atmob.org/library/member/EugeneMcAuliffeStart.html -- 12.4 Кб -- 10.06.2006
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68207. Thoughts on Building a Dobsonian
... Main Tube Construction . ... Primary Mirror Mount . ... I thought it would be fun to share some of the information and ideas I had on building a Dob Newtonian scope with other ATMs (Amateur Telescope Makers), particularly the first-timers. ... The scope is a 10 inch Newt, f/6. ... Every extra screw and 1/8 inch thickness of plywood adds up. ... One global choice is the mirror diameter/focal number. ... One of those big choices is whether to use a truss tube design or a continuous tube design. ...
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Ссылки http://www.atmob.org/library/member/BuildingADob.html -- 29.7 Кб -- 10.06.2006
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68208. Astronomy and the Human Eye
... The most important tool you have to see the universe is not the large light buckets that are proliferating, but rather your eyes. ... Light enters the eye through the cornea, passes across the aqueous humor (the liquid behind the cornea), passes through the pupil and through the lens. ... After passing the lens, the light then crosses the "vitreous Humor" a jelly-like substance that fills the inner eye, and reaches the retina, the light sensitive tissue at the back of the eye. ...
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Ссылки http://www.atmob.org/library/member/AstroAndEye.html -- 6.5 Кб -- 10.06.2006
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68209. Mars pictures from Stellafane by Paul Valleli
Images and text 2003 Paul Valleli . While up at Stellafane for pre-convention preparations, I spent some early morning times, experimenting with different videography setups on the 13" F/10 Schupmann at the McGregor Observatory. ... Mars was too bright and would have required neutral density filters. ... Next time, I will try 12mm and 9mm projections. ... I aquired about ten thousand frames by 3AM, at which time a breeze picked up and the seeing went to Hellas! ... 2003 Paul Valleli . ...
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Ссылки http://www.atmob.org/library/member/valleli/mars.html -- 5.8 Кб -- 10.06.2006
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68210. http://www.atmob.org/library/member/skymaps/MAP9.PDF
MAP9 HERCULES, LYRA M13, M57, M92 M 92 Lyra Great Cluster Ring Nebula Corona Boreali Hercules 10° STARS <2 4.5 2.5 5 3 5.5 3.5 >6 4 SYMBOLS Comet Globular Cluster Asteroid Planetary Nebula Galaxy Quasar Open Cluster Other Object Bright Nebula
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Ссылки http://www.atmob.org/library/member/skymaps/MAP9.PDF -- 22.0 Кб -- 10.06.2006
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68211. http://www.atmob.org/library/member/skymaps/MAPKEY.PDF
Map and Constallation Key to Messier Objects for TELRAD Finders Messier Object Constallation Taurus Aquarius Canies Venatici Scorpius Serpens Scorpius Scorpius Sagittarius Ophiuchus Ophiuchus Scutum Ophiuchus Hercules Ophiuchus Pegasus Serpens Sagittarius Sagittarius Ophiuchus Sagittarius Sagittarius Sagittarius Sagittarius Sagittarius Sagittarius Scutum Vupecula ... Nebula Open Cluster Glob. ... Cluster Sunflower Galaxy G-Spiral G-Spiral G-Spiral G-Spiral Open Cluster Glob. ...
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Ссылки http://www.atmob.org/library/member/skymaps/MAPKEY.PDF -- 12.6 Кб -- 10.06.2006
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68212. http://www.atmob.org/library/member/skymaps/MAP7A.PDF
Zoom in View of Virgo Clusters M 85 M 100 M 98 M 91 M 88 M 99 M 90 M 86 M 84 M 89 M 87 M 58 M 60 M 59 STARS <2 7 3 8 4 9 5 10 6 >11 SYMBOLS Comet Globular Cluster Asteroid Planetary Nebula Galaxy Quasar Open Cluster Other Object Bright Nebula
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Ссылки http://www.atmob.org/library/member/skymaps/MAP7A.PDF -- 30.3 Кб -- 10.06.2006
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68213. http://www.atmob.org/library/member/skymaps/MAP8.PDF
MAP8 LYRA, SAGITTA, VULPECULA, Cygnus M27, M29, M38, M56, M57, M71 M 39 Cygnus Lyra M 29 Ring Nebula M 56 Vulpecula Dumbbell Nebula M 71 Sagitta Delphinus STARS <2 4.5 2.5 5 3 5.5 3.5 >6 4 SYMBOLS Comet Globular Cluster Asteroid Planetary Nebula Galaxy Quasar Open Cluster Other Object Bright Nebula 10°
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Ссылки http://www.atmob.org/library/member/skymaps/MAP8.PDF -- 33.5 Кб -- 10.06.2006
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68214. http://www.atmob.org/library/member/skymaps/MAP5.PDF
MAP 5 CANES VENATICI, Ursa Major M40, M51, M63, M81, M82, M94, M97, M101, M102, M108, M109, Ursa Minor M 82 M 81 M 102? M 40 M 108 Owl Nebula M 101 M 109 Ursa Major Whirlpool Galaxy M 106 Canes Venatici M 63 M 94 10° STARS <2 4.5 2.5 5 3 5.5 3.5 >6 4 SYMBOLS Comet Globular Cluster Asteroid Planetary Nebula Galaxy Quasar Open Cluster Other Object Bright Nebula
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Ссылки http://www.atmob.org/library/member/skymaps/MAP5.PDF -- 25.3 Кб -- 10.06.2006
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68215. http://www.atmob.org/library/member/skymaps/MAP6.PDF
MAP 6 SERPENS, COMA BERNICES, CANES VENATICI, Bootes M3, M5, M53, M63, M64, M94 M 106 Whirlpool Galaxy M 63 CVn M 94 CrB M3 Boo Com Blackeye Galaxy M 85 M 53 M 100 M M 91 88 M 86 M 84 M 90 M 89M 87 M 58 MM 59 60 Ser M 49 M5 Vir 10° STARS <2 4.5 2.5 5 3 5.5 3.5 >6 4 SYMBOLS Comet Globular Cluster Asteroid Planetary Nebula Galaxy Quasar Open Cluster Other Object Bright Nebula
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Ссылки http://www.atmob.org/library/member/skymaps/MAP6.PDF -- 28.4 Кб -- 10.06.2006
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68216. http://www.atmob.org/library/member/skymaps/MAP7.PDF
MAP 7 COMA BERENICES, Virgo, Leo (Virgo Cluster of Galaxies) M3, M49, M53, M58, M59, M60, M61, M64, M65, M66 M84, M86, M87, M88, M90, M91, M98, M99, M100 M3 Blackeye Galaxy Coma Berenices M 53 M 85 M 100 M 98 M 91 88 M M 90 MM 84 86 M 89 M 87 M 58 M M 59 60 M 99 MM 65 66 M 49 M 61 Virgo 10° STARS <2 4.5 2.5 5 3 5.5 3.5 >6 4 SYMBOLS Comet Globular Cluster Asteroid Planetary Nebula Galaxy Quasar Open Cluster Other Object Bright Nebula
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Ссылки http://www.atmob.org/library/member/skymaps/MAP7.PDF -- 20.9 Кб -- 10.06.2006
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68217. http://www.atmob.org/library/member/skymaps/MAP3.PDF
MAP 3 ANDROMEDA, TRANGULUM, LACERTA, Cassiopeia, Pegasus, Pisces M31, M32, M33, M34, M39, M52, M74, M76, M103, M110 Cep Cas M 103 M 52 M 39 Cork Nebula M 76 M 34 Lac And M 110 M 32 Andromeda Galaxy Tri Pinwheel Galaxy Peg M 74 Psc 10° STARS <2 4.5 2.5 5 3 5.5 3.5 >6 4 SYMBOLS Comet Globular Cluster Asteroid Planetary Nebula Galaxy Quasar Open Cluster Other Object Bright Nebula
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Ссылки http://www.atmob.org/library/member/skymaps/MAP3.PDF -- 38.0 Кб -- 10.06.2006
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68218. http://www.atmob.org/library/member/skymaps/MAP4.PDF
MAP 4 LEO, LEO MINOR M65, M66, M95, M96, M105 Leo Minor M 99 M 98 Leo MM 65 66 M 105 M 96 95 M Sextans 10° STARS <2 4.5 2.5 5 3 5.5 3.5 >6 4 SYMBOLS Comet Globular Cluster Asteroid Planetary Nebula Galaxy Quasar Open Cluster Other Object Bright Nebula
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Ссылки http://www.atmob.org/library/member/skymaps/MAP4.PDF -- 21.3 Кб -- 10.06.2006
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68219. http://www.atmob.org/library/member/skymaps/MAP2.PDF
MAP 2 CANNIS MAJOR, MONOCEROS, Cancer, Gemini, Orion, Lepus M1, M35, M41, M42, M43, M44, M45, M46, M47, M48, M50, M67, M78, M79, M93 Cnc Gem M 35 Crab Nebula Beehive M 67 CMi Ori M 78 Hya M 48 Mon M Nebula Orion 43 M 50 M 47 M 46 CMa M 93 M 41 Lep M 79 Pyx 15° Pup STARS <2 4.5 2.5 5 3 5.5 3.5 >6 4 SYMBOLS Comet Globular Cluster Asteroid Planetary Nebula Galaxy Quasar Open Cluster Other Object Bright Nebula Col
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Ссылки http://www.atmob.org/library/member/skymaps/MAP2.PDF -- 50.2 Кб -- 10.06.2006
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68220. http://www.atmob.org/library/member/skymaps/MAP14.PDF
MAP 14 CORVUS M61, M68, M83, M104 M 61 Virgo Sombrero Galaxy Crater Corvus Hydra M 68 M 83 Centaurus 10° STARS <2 4.5 2.5 5 3 5.5 3.5 >6 4 SYMBOLS Comet Globular Cluster Asteroid Planetary Nebula Galaxy Quasar Open Cluster Other Object Bright Nebula
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Ссылки http://www.atmob.org/library/member/skymaps/MAP14.PDF -- 24.3 Кб -- 10.06.2006
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