COBS NEWS Archive

Jul. 11, 2011

New Comet: P/2011 N1

IAUC nr.9219, issued on 2011, July 07, announces that an apparently asteroidal object (discovery magnitude 19.9) reported by Ignacio de la Cueva, Ibiza, Spain (from exposures taken by J. L. Ortiz, P. Santos-Sanz, N. Morales, and himself with a 0.40-m f/3.7 reflector at San Pedro de Atacama, Chile) was found to show cometary appearance after initial posting on the Minor Planet Center NEOCP webpage. The new comet has been designated P/2011 N1

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Jul. 06, 2011

Bright Sungrazing Comet on July 05, 2011

A new bright comet diving into the Sun is visible right now in C3 and C2 images taken by SOHO spacecraft.

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Jun. 27, 2011

New Comet: C/2011 M1 (LINEAR)

IAUC nr.9218, issued on 2011, June 25, announces the discovery of a new comet (discovery magnitude 18.6) by the LINEAR survey with a 1.0-m f/2.15 reflector + CCD, on images obtained on 2011, June 22.4. The new comet has been designated C/2011 M1 (LINEAR)

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Jun. 21, 2011

Scientists Analyzs Nucleus of Comet Hartley 2

Nearly one year ago, a repurposed NASA spacecraft flew by the comet Hartley 2. As a result, a multitude of high-resolution images were gathered over 50 days that allow scientists to understand the nature of the comets surface and its hidden interior.

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Jun. 17, 2011

Science Paper Details NASA Epoxi Flyby of Hyper Comet

Comet Hartley 2 hyperactive state, as studied by NASAs EPOXI mission, is detailed in a new paper published in this weeks issue of the journal Science.

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Jun. 10, 2011

New Comet: C/2011 L4 (PANSTARRS)

IAUC nr.9215, issued on 2011, June 08, announces the discovery of a new comet (discovery magnitude 19.4) on four CCD images taken with the 1.8-m Pan-STARRS 1 telescope at Haleakala, on images obtained on 2011, June 6.4. The new comet has been designated C/2011 L4 (PANSTARRS).

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Jun. 09, 2011

Rosetta Comet Probe Starts Years-Long Space Hibernation

The final command placing ESAs Rosetta comet-chaser into deep-space hibernation was sent June 8, 2011. With virtually all systems shut down, the probe will now coast for 31 months until waking up in 2014 for arrival at its comet destination.

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Jun. 08, 2011

Great Comet of 1680

C/1680 V1, also called the Great Comet of 1680, Kirchs Comet, and Newtons Comet, has the distinction of being the first comet discovered by telescope. Discovered by Gottfried Kirch on 14 November 1680, New Style, it became one of the brightest comets of the 17th century (reputedly visible even in daytime) and was noted for its spectacularly long tail.

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Jun. 08, 2011

New Comet: C/2011 L3 (McNAUGHT)

IAUC nr.9214, issued on 2011, June 06, announces the discovery of a new comet (discovery magnitude 16.3) by Robert H. McNaught through the 0.5-m Uppsala Schmidt + CCD at Siding Spring, on images obtained on 2011, June 3.7. The new comet has been designated C/2011 L3 (McNAUGHT).

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Jun. 03, 2011

Outburst of 174P/Echeclus

After reading on the [Comets-ml] forum about a possible outburst of centaur 174P/Echeclus, we performed some follow-up remotely, from the Tzec Maun Observatory (near Moorook, Australia).

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