|Right ascension||19h 5m 55.6s|
|Declination||−5° 59′ 32.9″|
|Apparent magnitude (V)||11.9|
|Apparent dimensions (V)||0.43'|
|Absolute magnitude (V)||11.9|
|Other designations||GSC 05140-03497, PK 029-05 1, PN Th 1-J, CSI-06-19031, HD 177656, PMN J1905-0559, PN Sa 2-382, EM* CDS 1043, HuLo 1, PN ARO 101, PN G029.2-05.9, GCRV 11549, IRAS 19032-0604, PN VV' 477, SCM 227, GSC2 S3002210353, 2MASX J19055556-0559327, PN VV 219, UCAC2 29903231 .|
NGC 6751 is a planetary nebula in the constellation Aquila. The nebula is estimated to be around 0.8 light-years in diameter. The star at the centre of the nebula has a surface temperature of approximately 140,000 K. It has been calculated to be roughly 6,500 light-years away from Earth. It was formed when a star collapsed and threw off its outer layer of gas several thousand years ago.
The nebula was the subject of the winning picture in the 2009 Gemini School Astronomy Contest, in which Australian high school students competed to select an astronomical target to be imaged by Gemini.
- 2009 Gemini School Astronomy Contest press release
- NASA Astronomy Picture of the Day: April 16, 2005
- The Glowing Eye of NGC 6751: December 18, 2007
- NGC 6751
- Astronomy Picture of the Day, 2013 March 13
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