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Names M 57, NGC 6720, Ring Nebula
Right Ascension (2000.0) 18:53:35.0
Declination +33:01:43
Constellation Lyra
Redshift (z) ...
Heliocentric Radial Velocity ...
Distance (esteem) 2,300 light years
Date (DD/MM/YYYY) 03-29-30/08/2011
Exposure time 15,000 seconds (10 x 1500 exposures) with binning mode 1 x 1 and AO7
CCD Camera SBIG ST-8XE
Telescope Meade Instruments Schmidt-Cassegrain 14" LX200 OTA on 10 Micron GM2000 HPS Mount
Focal length 3556 mm
Diameter 355.6 mm
Focal ratio 10
Field of View 13.3 x 8.9 arcminute
Original scale 0.522 arcsecond / pixel

Palomar Observatory Sky Survey images
POSS I/E DSS1 Red
POSS I/O DSS2 Blue
POSS II/F DSS2 Red
POSS II/J DSS2 Blue
POSS II Color
Kitt Peak National Observatory's 2.1-meter telescope image
WIYN
Calar Alto Observatory's 3.5-meter telescope image
CAHA
Hubble Space Telescope image
WFPC2

Comments
The spiral galaxy is IC 1296. Its Redshift is 0.017075 +/- 0.000070, the Heliocentric Radial Velocity 5119 +/- 21 km/s and the Distance 219,000,000 light years.
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