Measurement of Sky Brightness at the Iranian National Observatory Davoud Afshari1 and Sadollah Nasiri1,2 1Physics Department, Zanjan University, Zanjan 45195-313, Iran; Institute for Advanced studies in Basic Science (IASBS), Zanjan 45195-1159, Iran; Measurement of light pollution 2 Introduction Among 34 candidate sites at the central part of the country, 5 sites namely Garkesh (in Kashan ), Kolahbarfi(in Kashan ), Deynava (in ... One of these is light pollution. ...

... According to the most popular cosmological paradigm, the greater part of the galaxy mass is accumulated in the dark matter halo. ... The polar ring galaxies (PRGs) reveal external rings or disks of gas, dust and stars rotating in a plane roughly perpendicular to the disk of the central galaxy. ... The shape of the dark halo in the model was chosen so as to achieve the best fit to the observed rotation of both galaxies themselves and their polar rings. ... The SPRC-7 galaxy. ...

... Comet Holmes . 15 Seperate Days of Comet Holmes durning the month of November. from 11-11-07 thru 12-04-07 The Bright Moon and Clouds were a problem on a few of the frames, the Bright Star is Mirfak that the Comet Passes during this animation, also take notice to the angle movement on the tail preforming a clockwise rotation . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Interstellar matter. Galaxies 77 Properties of the interstellar gas clouds I.V. Gosachinskij St.Petersburg branch of Special Astrophysical observatory, St.Petersburg, Russia The characteristics of interstellar gas clouds play the main role in any theories of star formation. ... So the neutral atomic clouds may be named as "grand parents" of stars and their properties play genetic role for whole chain of matter transformations in the galaxies. ... Ta r : T a : V : l b l b Fig. ...

... Meta Index / Home Page / Source Flagging Algorithms Any source either having a raw count-rate >= 80, or with quality flag bit 4 set (mod-8 pattern) is checked for "close" neighbours, which may be flagged. ... Check each source in the vicinity of the bright source . ... Compute the maximum distance for flagging the source from maxRad = max(exclusionradius, min(70.0, 35.0 * countTable(i) // 80.0) ) If the flagging is done by omdetect, the exclusion radius is determined from the algorithm at the end . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . ... Stars . ... Space Flight . ... Monthly Sky Notes . ... June . ... NASA has been studying NCLтАЩs for some time and are trying to determine if there is a relationship between climate change and these wonders of the night sky. ... Spica and Saturn actually form a triangle with the bright orangish star Arcturus which is higher in the sky. ... The ancient Greeks saw the stars of Libra as part of Scorpius, specifically the scorpionтАЩs claws. ...

... (degrees) b2 galactic latitude (degrees) sgl supergalactic longitude (degrees) sgb supergalactic latitude (degrees) pgc PGC name *** alphabetical ** ident1 1st name (NGC,IC,UGC,ESO...) *** alphabetical ** pa position angle (N- E) in degrees typ morphological type (e.g. 'E','Sab','SBa','SO') *** alphabetical ** ring 'R' for Ring galaxies, otherwise ' ' (blank) *** alphabetical ** multiple 'M' for multiple galaxies, otherwise ' ' (blank) *** ...

VIEW OUT OF THE WINDOW FROM VANCOUVER, . CANADA . Dear,Nata,Lena N, Lena S, Sasha, Oksana, Yura, Masha, Irina, Anya, Zhenya, Olya and Valentina Saenko. We recieved your Message and this is our description of January 30th 1998. The temperaqture is 10 degrees C. The sky is a light shade of blue covered with beautiful fluffy white clouds. The sun is brightly shining over us.The grass is a deep shade of green, beautiful to the eye. ... Vancouver B.C. Canada. ...

... Operating at a wavelength of 10 ?m, it produces a 135њx135њ image with a resolution of 0.9њ. ... The clouds move from the west-southwest. ... At the same time as the IR images, visible light images were taken with an Apple Computer QuickTake electronic camera. ... At 1540 MDT, the large central cloud is visible in both images. At 1544 MDT, a distinctive cloud is apparent near the center in the visible image and right of center in the IR. The performance of the SDSS cloud scanner is excellent. ...

Astronomy Discussion Forums . Forums: . ... Observation Report From Coyle 07/19/03 . ... Post Message | ... Observation report from Coyle 07/19/03 . ... The background became jet black with the bright ring just floating there in the middle. ... It looked more like a ball. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... When Venus is on the far side of the Sun, we see the entire near side lit by the Sun. ... When it is on the near side of the Sun, it shows a beautiful thin crescent, because it is between us and the Sun and we see the mostly unlit dark half. ... To see this for yourself, draw a circle one centimeter across, then, next to it, draw a circle 6 centimeters across. ... 2008 Phil Plait. ...

... 7 EPSC2012-52 2012 European Planetary Science Congress 2012 c Author(s) 2012 E P SC European Planetary Science Congress Properties of the impact-produced lunar exosphere during Perseid 2009 meteor shower A.A. Berezhnoy (1), O.R. Baransky (2), K.I. Churyumov (2), T.K. Churyumova (2), V.V. Kleshchenok (2), E.A. Kozlova (1), V. Mangano (3), V.O. Ponomarenko (2), Yu.V. Pakhomov (4), V.V. Shevchenko (1), Yu.I. Velikodsky (5) (1) Sternberg Astronomical Institute, Universitetskij pr., ... 12/13, 2009. ...

Тема : Nubecula Minor (Cape Clouds) - Малое Магелланово Облако (Small Magellanic Cloud), карликовая галактика NGC 292 в созвездии Тукан (Tucana) .. ... Nubecula Minor (Cape Clouds) - Малое Магелланово Облако (Small Magellanic Cloud), карликовая галактика NGC 292 в созвездии Тукан (Tucana) .. ... Малое Магелланово Облако (Small Magellanic Cloud, NGC 292) .: . ... Как найти Малое Магелланово Облако (Small Magellanic Cloud, NGC 292)? ... NGC 292, Small Magellanic Cloud (SMC), Малое Магелланово Облако .. ...

... Satellite data ] . SMIS ] . The program is designed to process the specific AVHRR instrument data for calculation and analysis of temperature fields on the sea surface and upper level of clouds. It performs brightness correction for visible channels with regards to clouds altitude. ... The program features a wide variety of classification algorithms (including two-dimensional histogram analysis) and enables to construct personal procedures for classification. ... Back to SMIS Home Page . ...

... Star altitudes at upper culmination depends on the latitude and on the precession period phase. That altitudes can be easily calculated for any epoch. ... The adopted extinction coefficient of 0.25 mag leads to the conclusion that the catalogue data has been obtained at the middle of 2-nd century b.c. at the latitude of +31 deg. Besides it is quite impossible for the catalogue to be worked out at more northern latitudes or to the south of + 26 deg. nor later than 2-nd century b.c. ...

... Jupiter. ... The time in the table is the mean solar time for the Almaty time zone. ... Almaty and Cholpon-Ata are in the same time zone. h 25 h 36 h 00 h 12 h 24 h 36 h 48 h 12 h 48 m (February 28) m m m m m m m m (March 1) m m m m m m m m m m m m m m m m m m m m 14.92 15.08 15.41 15.44 15.37 15.12 14.92 14.89 14.80 14.78 14.80 14.82 14.85 14.96 14.72 14.72 14.63 14.65 14.77 14.84 15.10 15.43 15.32 15.05 14.90 14.75 14.73 14.70 Bishkek ­ Cholpon-Ata , Kyrgyzstan ...

... Развивающая игрушка Лягушка Bright Starts привлечет ребенка красочным видом, подарит новые ощущения и вскоре станет любимой игрушкой, приятной и веселой. ... Цвет: розовый . ... Цвет: Коричневый . ... Цвет: натуральный . ... Кружка имеет силиконовую крышку оранжевого цвета с прорезью для питья. ... Цвет: синий . ...

... 11 Yellow-Green (78% transmission): Contrasts well with the red and blue characteristics of surface features on Jupiter and Saturn. ... 82A Light Blue (73% transmission): Useful on the Moon, Mars, Jupiter, and Saturn, this subtle pale blue filter enhances areas of low contrast while avoiding significant reduction of overall image brightness. ... Meade Series 4000 Photo-Visual Color Filters may be ordered individually or in the following sets: . ... Meade Series 4000 Broadband Nebular Filters . ...

Brandywine Goodbye C1983 Mark Cohen Dm C Dm Autumn 's in the air in Chester County Dm C A Clouds are flaming crimson in a Pennsylvania sky Dm C Sunset brings a chill, summer's fading from the hill Bb C Dm Brandywine September drifting by CHORUS : Dm C Oh, the Brandywine is flowing clear and free Bb A Hear the blackbird and the wren Dm C Oh, the Brandywine is calling out to me Bb C Dm Wish that I were there again ...

... Астрософт (Модератор: tlgleonid ) > . UCAC2 Bright Star Supplement для Cartes du Ciel . ... Астрософт . ... Cartes du Ciel - Sky Charts . ... 08 Август 2008, 14:04:19 ? Также готов каталог I/294 The UCAC2 Bright Star Supplement (Urban+, 2004), являющийся северным дополнением к каталогу I/289 The UCAC2 Catalogue(Zacharias+ 2003). ... Ответ #1 : 08 Август 2008, 14:41:20 ? ... Самая слабая звезда в каталоге UCAC2 Bright Star Supplement - это 2UCA 50406212 Vmag: 15.19 в Малой Медведице. ...