COBS NEWS Archive

Jun. 12, 2013

New Comet: C/2013 L2 (CATALINA)

Cbet nr. 3548, issued on 2013, June 09, announces the discovery of an apparently asteroidal object (discovery magnitude ~19.6) by R. A. Kowalski on CCD images obtained with the Catalina Sky Survey 0.68-m Schmidt telescopeon June 02. After posting on the Minor Planet Centers NEOCP webpage, this apparently asteroidal object as been found to show cometary features by by astrometric observers elsewhere. The new comet has been designated C/2013 L2 (CATALINA).

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May. 23, 2013

Comet C/2012 S1 (ISON) - Update

Comet C/2012 S1 (ISON) was discovered on September 21, 2012 by Vitali Nevski and Artyom Novichonok on CCD images obtained with a 0.4-m f/3 Santel reflector of the International Scientific Optical Network (ISON) near Kislovodsk, Russia.

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Apr. 26, 2013

Hubble Captures Comet ISON

This NASA Hubble Space Telescope image of Comet C/2012 S1 (ISON) was photographed on April 10, when the comet was slightly closer than Jupiters orbit at a distance of 386 million miles from the Sun (394 million miles from Earth).

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Apr. 22, 2013

New Comet: C/2013 G9 (TENAGRA)

Cbet nr. 3478, issued on 2013, April 19, announces the discovery of a apparently asteroidal object (discovery magnitude ~19.6) by M. Schwartz and P. R. Holvorcem on CCD images obtained with the Tenagra II 0.41-m f/3.75 astrograph located near Nogales, AZ, U.S.A.

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Apr. 18, 2013

New Comet: C/2013 G7 (McNAUGHT)

Cbet nr. 3476, issued on 2013, April 16, announces the discovery of a new comet (discovery magnitude ~18) by R. H. McNaught on CCD images obtained with the 0.5-m Uppsala Schmidt telescope at Siding Spring on april 13.6. The new comet has been designated C/2013 G7 (McNAUGHT).

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Apr. 16, 2013

Update: Comet to Make Close Flyby of Red Planet in October 2014

New observations of comet C/2013 A1 (Siding Spring) have allowed NASAs Near-Earth Object Office at the Jet Propulsion Laboratory in Pasadena, Calif. to further refine the comets orbit.

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Apr. 15, 2013

New Comet: C/2013 G3 (PANSTARRS)

Cbet nr. 3472, issued on 2013, April 04, announces the discovery of a new comet (discovery magnitude ~20.7) by PANSTARRS survey on CCD images obtained with the 1.8-m Pan-STARRS1 telescope on Haleakala on April 10.4. The new comet has been designated C/2013 G3 (PANSTARRS).

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Apr. 08, 2013

New Comet: C/2013 G1 (KOWALSKI)

Cbet nr. 3454, issued on 2013, April 04, announces the discovery of a new comet (discovery magnitude ~18.5) by R. A. Kowalski on CCD images obtained with the Mount Lemmon 1.5-m reflector on April 02.4. The new comet has been designated C/2013 G1 (KOWALSKI).

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Apr. 03, 2013

New Comet: C/2013 F3 (McNAUGHT)

Cbet nr. 3450, issued on 2013, April 01, announces the discovery of a new comet (discovery magnitude ~17) by R. H. McNaught on CCD images obtained with the 0.5-m Uppsala Schmidt telescope at Siding Spring on March 29.7. The new comet has been designated C/2013 F3 (McNAUGHT).

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Mar. 29, 2013

NASAs Swift Sizes Up Comet ISON

Astronomers from the University of Maryland at College Park (UMCP) and Lowell Observatory have used NASAs Swift satellite to check out comet C/2012 S1 (ISON), which may become one of the most dazzling in decades when it rounds the sun later this year.

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