Planetary Nebula Sh2-68

This image was obtained with the wide-field view of the Mosaic camera on the Mayall 4-meter telescope at Kitt Peak National Observatory. Sh2-68 is an ancient planetary nebula that is estimated to be at least 45,000 years old. The diffuse orange emission to the upper right is the result of the planetary nebula's motion through the disk of our galaxy. The bluish interior is from energized oxygen atoms. The progenitor star is the very blue star at the center of the bluish gas. The image was generated with observations in the Hydrogen alpha (red) and Oxygen [OIII] (blue) filters. In this image, North is right, East is up.

Credit:

T.A. Rector (University of Alaska Anchorage) and H. Schweiker (WIYN and NOIRLab/NSF/AURA)

About the Image

Id:noao-sh2-68
Type:Observation
Release date:June 30, 2020, 9:34 p.m.
Size:4944 x 3728 px

About the Object

Name:Sh2-68
Constellation:Serpens Cauda
Category:Nebulae

Image Formats

Large JPEGLarge JPEG
10.9 MB
Screensize JPEGScreensize JPEG
391.3 KB

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Coordinates

ObjectValue
Position (RA):18 25 7.83
Position (Dec):0° 49' 3.37"
Field of view:21.57 x 16.24 arcminutes
Orientation:North is 90.2° right of vertical


Colors & filters

BandWave-lengthTele-scope
Optical
Olll
499 nmNicholas U. Mayall 4-meter Telescope
Mosaic I
Optical
Ha
656 nmNicholas U. Mayall 4-meter Telescope
Mosaic I