comet c/1999 s4 (linear) M. Kidger, Instituto de Astrofisica de Canarias, reports analysis of continued observations of C/1999 S4 at La Palma: "A 100-s exposure in R, taken by R. Corradi and N. O'Mahoney (Isaac Newton Group of Telescopes) on Aug. 1.9 UT with the Wide Field Camera on the 2.5-m Isaac Newton Telescope, shows no evidence of a nuclear condensation or subnuclei within the coma.

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Some spectra of Comet C/1999 S4 (LINEAR) are obtained with the UAGS spectrograph (long slit and CCD) installed on the 1-m Zeiss reflector of the SAO RAS 

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C 1999 s4 linear

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- Fischer, Daniel (2000): Der Kern des Kometen LINEAR in metergroße Splitter zerbrochen. In the current paradigm, Oort cloud comets formed in the giant planets' region of the solar nebula, where temperatures and other conditions varied greatly. The measured compositions of four such comets (Halley, Hyakutake, Hale-Bopp, and Lee) are c/1999 s4 (linear) Изображение кометы, полученное телескопом Хаббл 5 августа 2000 года, комета разрушается The Mysterious Disintegration of Comet C/1999 S4 LINEAR. YOWUSA.COM, August 6, 2000 Marshall Masters …Continued. A snippet from the following Hale-Bopp article begins to show why there is this strong difference of opinion in the "official" science community. Comet C/1999 S4 (Linear) ESA uses cookies to track visits to our website only, no personal information is collected.

Comet C/1999 S4 (Linear) ESA uses cookies to track visits to our website only, no personal information is collected.

ephem. SB431-BIG16 norm.

C 1999 s4 linear

Though necessarily uncertain, the following ephemeris extension to IAUC 7455 (from elements on MPC 40988) is given as a finding aid. 2000 TT R. A. (2000) Decl. Delta r Elong. Phase Aug. 14 12 35.59 - 7 21.5 1.009 0.848 49.6 65.5 16 12 37.17 - 8 48.8 1.081 0.866 48.7 61.5 18 12 38.48 -10 04.6 1.152 0.884 47.7 57.8 20 12 39.57 -11 11.0 1.222 0.904 46.5 54.4 22 12 40.49 -12 09.8 1.291 0.924 45.3

C 1999 s4 linear

Comet C/1999 S4 LINEAR is rapidly approaching both the Earth and the Sun from the outer Solar System, and should be at its brightest around 2000 July 25 in the early evening sky of northern observers. The comet was discovered by chance by project LINEAR last September. Kometa C/1999 S4 (LINEAR) Odkrywca LINEAR: Data odkrycia 1999 Elementy orbity: Półoś wielka-7227,9797 au: Mimośród: 1,000106 Peryhelium: 0,7651 au: Nachylenie orbity względem ekliptyki: 149,3851° Długość węzła wstępującego: 83,1808° Argument peryhelium: 151,0503° Moment przejścia przez peryhelium 26 lipca 2000 Charakterystyka c/1999 s4 (linear) Изображение кометы, полученное телескопом Хаббл 5 августа 2000 года, комета разрушается In the current paradigm, Oort cloud comets formed in the giant planets' region of the solar nebula, where temperatures and other conditions varied greatly. The measured compositions of four such comets (Halley, Hyakutake, Hale-Bopp, and Lee) are The Mysterious Disintegration of Comet C/1999 S4 LINEAR.

C 1999 s4 linear

On July 14, 2000 the Chandra X-ray Observatory imaged the comet repeatedly for a total of 2 ½ hours and detected X-rays from oxygen and nitrogen ions. C/1999 S4: Hubble Optical Images From July 5 to 7, NASA's Hubble Space Telescope Imaging Spectrograph tracked comet C/1999 S4 (LINEAR).
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ephem. 2000/7/22 Negative sketch of Comet LINEAR C/1999 S4. 8"/f6 Dob, 25mm eyepiece.

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This is another comet found by the automatic minor planet search program LINEAR in New Mexico. It was found on CCD images obtained between 1999 September 27.40 and September 27.45 and was reported as an unusual moving object. The nuclear magnitude was given as 17.3-17.6. LINEAR obtained additional images on September 28 and October 1.

Optical observations of the dust coma in two distinct continuum bandsrevealed that it changed morphologically as well as in colour. M. Kidger, Instituto de Astrofisica de Canarias, reports analysis of continued observations of C/1999 S4 at La Palma: "A 100-s exposure in R, taken by R. Corradi and N. O'Mahoney (Isaac Newton Group of Telescopes) on Aug. 1.9 UT with the Wide Field Camera on the 2.5-m Isaac Newton Telescope, shows no evidence of a nuclear condensation or subnuclei within the coma. The comet C/1999 S4 was expected to be a moderately bright object during summer 2000. It was observed by visual, photographic and CCD techniques. The derived light curve shows that the comet reached a brightness maximum (mag.

The image below is a portion of a raw 60-seconds exposure of the field of C/1999 S4 (LINEAR). I use an Audine camera equipped with a KAF-1602E CCD and a Lichtenknecker Flat-Field Camera telescope of 190 mm in diameter at F/D=4. A Rainbow Optics grating of 200 groove/mm is placed between the

IAU Circ., 7472, 3 (2000). Edited by  Jesus Rodriguez and Carlos Guirao. European Southern Observatory. Garching, Germany. July 22, 2000.

During this same period, we find an upper limit for Den C/1999 S4 ass e laangperiodesche Koméit, deen de 27. September 1999 vum Projet LINEAR entdeckt gouf. De Koméit koum den 22. Juli 2000 op eng Distanz vun 0,3724 AE un eis Äerd erun.