C/2009 R1 (McNaught) | ||
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![]() Copyright © 2010 by Francois Kugel (France)
F. Kugel obtained this image of the comet on 2010 June 8.07, as it was passing the edge-on galaxy NGC 891. He was using a 50-cm telescope and a KAI11K CCD camera. This image is the result of combining four 60-second exposures. Discovery R. H. McNaught (Siding Spring Observatory, Australia) discovered this comet on five images obtained between 2009 September 9.62 and September 9.73. He was using the 0.5-m Uppsala Schmidt telescope and a CCD camera. The magnitude was given as 17.3-17.5. Pre-discovery images were subsequently found on images obtained at Siding Spring by McNaught and G. J. Garradd on 2009 July 20, August 1, and August 18. The magnitude was given as 18.5-18.9 on July 20. The first confirmation was obtained by astronomers at the ESA Optical Ground Station at Tenerife, Canary Islands on September 9.9. They gave the magnitude as 17.7-18.3. Historical Highlights
Additional Images ![]() Copyright © 2009 by E. Guido and G. Sostero (Italy)
E. Guido and G. Sostero obtained this image on 2009 September 10.2, using a 25-cm reflector and a CCD camera located in Mayhill, New Mexico (USA). They co-added twenty 120-second exposures. This was an independent confirmation of this comet.
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M. P. Mobberly obtained this image of comet McNaught on 2010 May 21.43 using a remote telescope in New Mexico. The telescope was a 25-cm Takahashi Epsilon and the camera was an SBIG ST-8XE. This was a 120 second exposure. The image is 32' wide and 21' tall.
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M. P. Mobberly obtained this image of comet McNaught on 2010 May 22.44 using a remote telescope in New Mexico. The telescope was a 25-cm Takahashi Epsilon and the camera was an SBIG ST10XME. This was a 120 second exposure. The image is 30' wide and 15' tall.
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M. P. Mobberly obtained this image of comet McNaught on 2010 May 23.42 using a remote telescope in New Mexico. The telescope was a 25-cm Takahashi Epsilon and the camera was an SBIG ST10XME. This was a 120 second exposure. The image is 30' wide and 15' tall.
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M. P. Mobberly obtained this image of comet McNaught on 2010 June 2.41 using a remote telescope in New Mexico. The telescope was a 25-cm Takahashi Epsilon and the camera was an SBIG ST10XME. This was a 120 second exposure. The image is 36' wide and 17' tall.
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M. Jager obtained this image of comet McNaught on 2010 June 6.02, using a 20-cm telescope. Using an SXV-H9 CCD camera, he obtained separate 70-second exposures using red, green, and blue filters and then combined the images to form the color picture above.
![]() Copyright © 2010 by Martin P. Mobberly (Cockfield, Suffolk, England)
M. P. Mobberly obtained this image of comet McNaught on 2010 June 6.44 using a remote telescope in New Mexico. The telescope was a 25-cm Takahashi Epsilon and the camera was an SBIG ST10XME. This was a 120 second exposure. The image is 55' wide and 27' tall.
![]() Copyright © 2010 by Martin Gembec (Czech Republic)
M. Gembec obtained this image of comet McNaught on 2010 June 8 using a Canon 30D and a 135mm lens. The image is a composite of 14 two-minute exposures at ISO 1600. The original image was white with black stars, but the webmaster has inverted it to make it comparable to other images on this page. The tail is about 7 degrees long.
![]() Copyright © 2010 by Gary W. Kronk (Illinois, USA)
G. W. Kronk obtained this image of comet McNaught on 2010 June 10 using a 8-inch Meade LX-200 and a black & white Mallincam Hyper. The image is a composite of 40 7-second exposures. Gary noted the comet was an easy object in 20x80 binoculars, with a hint of tail extending westward.
![]() Copyright © 2010 by Martin P. Mobberly (Cockfield, Suffolk, England)
![]() Copyright © 2010 by Dale Ireland (Silverdale, Washington, USA)
D. Ireland obtained this image of comet McNaught on 2010 June 12 using a Nikon D90 and a Nikon 500mm lens. The image is a composite of five 3-minute exposures. Dale said the comet was then low in the northeast and was visible in binoculars.
![]() Copyright © 2010 by Gary W. Kronk (Illinois, USA)
G. W. Kronk obtained this image of comet McNaught on 2010 June 15 using an Orion EON 80mm Apo refractor and a Canon EOS T2i DSLR. The image is a composite of three 30-second exposures at ISO 1600. Thin clouds were drifting across the sky, which accounts for the bright star to the right having a glow surrounding it.
![]() Copyright © 2010 by Sylvain Wallart (Pas de Calais, France)
S. Wallart obtained this image of comet McNaught on 2010 June 16. He used an Astro-professional 80ED and a Canon EOS 450D. With the camera set at ISO 800, he obtained 12 images with exposure times up to 45 seconds.
![]() Copyright © 2010 by Gary W. Kronk (Illinois, USA)
G. W. Kronk obtained this image of comet McNaught on 2010 June 16 using an Orion EON 80mm Apo refractor and a Canon EOS T2i DSLR. The image is a composite of three 30-second exposures at ISO 1600. The original image is color, but since the comet did not clear the wall of my observatory until after morning twilight was beginning, I converted the image to black and white in order to increase the contrast a bit.
![]() Copyright © 2010 by Michael Jager (Austria)
M. Jager obtained this image of comet McNaught on 2010 June 17.02. He used a 20-cm telescope and an SXV-H9 CCD camera, and obtained separate 120-second exposures using red, green, and blue filters. They were combined to form the color picture above.
![]() Copyright © 2010 by Valter Giuliani and Enrico Colzani (Sormano Astronomical Observatory, Italy)
V. Giuliani and E. Colzani obtained this image of comet McNaught on 2010 June 22.17. They used a 115-mm APO refractor and an SBIG STL-11000M CCD camera to obtain this 150-second exposure.
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