Ring Nebula, M57 (NGC 6720)

Noirlab_noao-ring_1024

noirlab_noao-ring June 30th, 2020

Credit: C.F.Claver/WIYN/NOIRLab/NSF

The WIYN 3.5-meter telescope on Kitt Peak took this image of the Ring Nebula on April 2, 2002 in a three-minute exposure aided by the WIYN Tip-Tilt Module (WTTM). This new adaptive optics device helps correct for degradation of the image quality due to atmospheric effects and shaking of the telescope by wind. The image was taken through two filters -- one (red) that isolates the light of ionized Hydrogen (H-alpha at 6563 A) plus singly-ionized nitrogen ([NII] at 6584A), and another (green that isolates the light of doubly-ionized oxygen ([OIII] at 5007 A). The corrected "seeing" in this image is about 0.3 arc seconds (FWHM).

Provider: NOIRLab

Image Source: https://noirlab.edu/public/images/noao-ring/

Curator: NSF's NOIRLab, Tucson, AZ, USA

Image Use Policy: Creative Commons Attribution 4.0 International License

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Image Details

Image Type
Observation
Object Name
M57 NGC 6720 Ring Nebula
Noirlab_noao-ring_128
 

Position Details

Position (ICRS)
RA = 18h 53m 35.1s
DEC = 33° 1’ 44.7”
Orientation
North is 0.3° CW
Field of View
1.8 x 1.8 arcminutes
Constellation
Lyra

Color Mapping

  Telescope Spectral Band Wavelength
Green WIYN-3.5m (None) Optical (Olll) 500.0 nm
Red WIYN-3.5m (None) Optical (Nll) 658.0 nm
Red WIYN-3.5m (None) Optical (Ha) 656.0 nm
Spectrum_base
Green
Red
Red
Noirlab_noao-ring_1280
×
ID
noao-ring
Subject Category
Subject Name
M57, NGC 6720, Ring Nebula
Credits
C.F.Claver/WIYN/NOIRLab/NSF
Release Date
2020-06-30T21:34:08
Lightyears
Redshift
Reference Url
https://noirlab.edu/public/images/noao-ring/
Type
Observation
Image Quality
Distance Notes
Facility
WIYN 3.5-meter Telescope, WIYN 3.5-meter Telescope, WIYN 3.5-meter Telescope
Instrument
None, None, None
Color Assignment
Green, Red, Red
Band
Optical, Optical, Optical
Bandpass
Olll, Nll, Ha
Central Wavelength
500, 658, 656
Start Time
Integration Time
Dataset ID
None, None, None
Notes
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
283.396359823, 33.0290916928
Reference Dimension
1000.0, 1000.0
Reference Pixel
500.0, 500.0
Scale
-3.04264313962e-05, 3.04264313962e-05
Rotation
-0.3200000000000004
Coordinate System Projection:
TAN
Quality
Full
FITS Header
Notes
Creator (Curator)
NSF's NOIRLab
URL
https://noirlab.edu
Name
Email
Telephone
Address
950 North Cherry Ave.
City
Tucson
State/Province
AZ
Postal Code
85719
Country
USA
Rights
Creative Commons Attribution 4.0 International License
Publisher
NSF's NOIRLab
Publisher ID
noirlab
Resource ID
noao-ring
Metadata Date
2021-07-22T12:38:09.520708
Metadata Version
1.1
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Detailed color mapping information coming soon...

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There is no distance meta data in this image.

 

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