NGC 6934

Globular Cluster NGC 6934, class VIII, in Delphinus

[NGC 6934, Martin Germano]

RA:
20:34:11.37
Dec:
+07:24:16.1
Distance from Sun:
50.9 kly
Distance from Galactic Center:
41.7 kly
Apparent Diameter:
8.4 arc min
Brightness:
8.83 mag vis
Radial Velocity:
-411.4 +/- 1.6 km/s
Diameter:
ly
Abs. Mag:
-7.45 Mag vis
Discovered by William Herschel on September 24, 1785.

William Herschel discovered globular cluster NGC 6934 in Delphinus on September 24, 1785 and cataloged it as H I.103.

The image on the right was obtained in October 2002 by Martin Germano with his 14.5" f/5 Newtonian stopped to f/6 (12"), exposed 110 minutes on hypered Tech Pan 2415 film.

[NGC 6934 image]

This image was taken with the 8.2-meter Gemini North telescope. It was taken in the optical or visual part of the electromagnetic spectrum, without using the adaptice optics feature. Clicking on the image leads you to a comparison image with another one which is an IR image taken with the use of adaptive optics, which make star images sharper.
Credit: Gemini Observatory, US National Science Foundation, and the University of Hawaii Institute for Astronomy

  • More information on the small image (N.A. Sharp, NOAO)
  • More information on the large image (without vs. with adaptive optics; by N.A. Sharp, NOAO)
  • More information on the NGC 6934 infrared image, using adaptive optics (also by N.A. Sharp, NOAO)

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    Hartmut Frommert [contact]
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