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| | M57, Ring Nebula |
 | | Even though the Ring is probably the most photographed object in the sky, it is so much brighter, that the galaxy is not visible in images optimized to bring out detail in M57. | | | It was too late to do any serious imaging so I just pointed the scope at the Ring Nebula (M57) to see what my new CCD camera could do and I "discovered" a faint smudge just to the North of it in the same field. | | | The only edge the Palomar image has is that it seems to be more sensitive to the emission wavelength of the halo around M57 than the CCD camera. |
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http://schmidling.netfirms.com/m57.htm
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| | Amateur Astronomers, Inc. - Ring Nebula (M57) |
| | The picture on the left was taken on August 18, 1996, using a SBIG ST-4 CCD camera. | | | The picture on the right consists of 40 images of 3 seconds duration each, for a total of 120 seconds, using a SBIG ST-7 CCD camera. |
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http://www.asterism.org/gallery/m57-01.htm
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| | The Galaxy Gallery: Messier Objects |
| | M57 image --------> More About M57 --> Nice Color CCD Picture --> Very Deep M57 Image | | | For a schematic figure of the structure of a star that leads to the formation of a Planetary Nebula Click Here. |
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http://zebu.uoregon.edu/messier.html
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| | Messier Object 57 |
| | A good value for the distance still needs to be determined (e.g., parallax by Hubble Space Telescope), but recently improved CCD technics was used at the US Naval Observatory (USNO) to determine a trigonometric parallax for the central star of M57, yielding 2,300 ly ( Harris et.al. | | | M57 is very easy to locate as it is situated between Beta and Gamma Lyrae, at about one-third the distance from Beta to Gamma. | | | Oddly, the inventor of the name "Planetary Nebula" did not count this most prominent representative in this object class, but described it as a "curiosity of the heavens", a peculiar object. |
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http://www.seds.org/messier/m/m057.html
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| | M57 through various telescopes |
| | The 100" f/2 (Super) Ritchey-Chretien image was take by amateur astronomer Arto Oksanen using the Nordic Optical Telescope with a Brocam-1 CCD camera. | | | All the rest of the images were taken with a SBIG ST-7 CCD camera from my light polluted driveway. | | | If you have an M57 image taken through a different telescope or focal length and would like it to appear here, please Email me at paul@laughton.com. |
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http://www.laughton.com/paul/rfo/m57/m57.html
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| | [No title] |
| | M57 is another famous and often photographed object. | | | The object itself is known as a Plantary Nebula because, in a small telescope, these objects exhibit the same appearance as a resolved planetary disk. |
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http://zebu.uoregon.edu/messier/m57.txt
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| | M57 - The Ring Nebula |
| | VueScan, The raw image scans were processed, cropped, and then digitally stacked using Picture Window. | | | This (above) is a more processed version of my M57 exposure. | | | The distance to M57 is not really well known but most estimates are in the 2000 to 3000 ly range with a few beening farther out then that. |
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http://www.my-spot.com/m57.htm
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| | Hubble Space Telescope images M57 |
| | The NASA Hubble Space Telescope has captured the sharpest view yet of the most famous of all planetary nebulae: the Ring Nebula (M57). | | | This image was featured as Astronomy Picture of the Day (APOD) January 7, 1999, July 16, 2000, July 29, 2001, March 22, 2003. | | | Hubble Space Telescope images the Ring Nebula M57 |
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http://www.seds.org/messier/more/m057_h2.html
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| | Multiwavelength Messier 57 |
| | On the other hand, the far-infrared photograph of M57 is dramatically different. | | | Apart from the different false-color scheme used in the IRAS image (red is brightest), the far-IR image lacks the spatial resolution (visual acuity) of the previous images. |
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http://coolcosmos.ipac.caltech.edu/cosmic_classroom/multiwavelength_astronomy/multiwavelength_museum/m57.html
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| | APOD: 2003 March 22 - M57: The Ring Nebula |
| | Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. | | | This planetary nebula's simple, graceful appearance is thought to be due to perspective -- our view from planet Earth looking straight into what is actually a barrel-shaped cloud of gas shrugged off by a dying central star. | | | Explanation: Except for the rings of Saturn, the Ring Nebula (M57) is probably the most famous celestial band. |
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http://antwrp.gsfc.nasa.gov/apod/ap030322.html
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| | IAAC Observations Matching Your Criteria |
| | (IAAC) Obj: M57, Albireo - Inst: 20x60 Soviet binoculars | | | NOTE: You will immediately begin to receive email postings at the address you provide! | | | (IAAC) Obj: M57 (Ring Nebula) [negative report] - Inst: Bushnell 8x21 binocs |
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http://www.visualdeepsky.org/search.cgi?catalogs=Messier&ids=57
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| | HubbleSite - Looking Down a Barrel of Gas at a Doomed Star - 1/6/1999 |
| | Astronomers using the Hubble telescope have obtained the sharpest view yet of a glowing loop of gas called the Ring Nebula (M57), first cataloged more than 200 years ago by French astronomer Charles Messier. | | | The pictures reveal that the "Ring" is actually a cylinder of gas seen almost end-on. |
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http://hubblesite.org/newscenter/newsdesk/archive/releases/1999/01
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| | APOD: January 7, 1999 - The Ring |
| | The Ring Nebula (M57) is probably the most famous celestial band. | | | Credit: Hubble Heritage Team ( AURA / STScI / NASA) |
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http://antwrp.gsfc.nasa.gov/apod/ap990107.html
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