Tähtitieteellinen yhdistys Ursa

Syvä taivas

The Mystery of M57

During the Sagittarius Star Party held in Öland, southern Sweden, some Finnish amateurs noticed - for the first time in the world - a starlike dot inside M57's ring. The night after discovery it still was there and remained unmoved. So the chances were the object was really inside the ring.

In the next couple of years the dot was insistently in its location and looked exactly the same. You can try to see this feature yourself by using telescope of any size and high magnification. Try using averted vision and try to spot a stellar pinpoint jumping on and off. If you manage to do this you've succeeded. Make your observation during good seeing.

The photo attached here was taken by Arto Oksanen using the 2.5-meter telescope at the NOT observatory of La Palma, Canary Islands. An xtremely short exposure was used not to overexpose the inner details of the ring. You can use this photo as a finder chart in your quest to see this extremely difficult object. The object is located in the middle of left side of the ring.

Text: © Riku Henriksson, edited by Toni Veikkolainen.

RSS Zeniitti

RSS Taivaanvahti

  • Syvä avaruus NGC 4565 III 26.3.2025 klo 23.20 - 27.3.2025 klo 3.52, Lohja, Ari Matinmäki
  • Syvä avaruus M86 III 26.3.2025 klo 21.30-23.30, Kirkkonummi, Harry Rabb
  • Syvä avaruus NGC 5466 III 26.3.2025 klo 21.00 - 27.3.2025 klo 0.00, Lappeenranta, Jari Backman
  • Syvä avaruus NGC 2244 I 24.3.2025 klo 9.43, Pedersöre, David Westström
  • Syvä avaruus M92 IV 23.3.2025 klo 23.31 - 24.3.2025 klo 3.00, Lappeenranta, Jari Backman
  • Syvä avaruus NGC 4449 III 23.3.2025 klo 22.20-22.40, Kirkkonummi, Harry Rabb
  • Syvä avaruus NGC 4490 III 23.3.2025 klo 21.55-22.15, Kirkkonummi, Harry Rabb

RSS Avaruus.fi-foorumi