M39, NGC 7092

M39 is a loose, widely spaced open cluster in the constellation Cygnus. Quite close to Earth at about 800 light-years away, M39 has around 30 members and is two to three hundred million years old. This picture is a combination of 33 dithered frames in BVR colors taken with the Mosaic camera at the WIYN 0.9-meter telescope on Kitt Peak, near Tucson, Arizona, on the night of September 15th, 2003. This camera uses eight separate CCD detectors to cover a large area of the sky, but requires small dither motions between multiple exposures to fill in the gaps between the individual chips.

Credit:

Heidi Schweiker/WIYN and NOIRLab/NSF/AURA

About the Image

Id:noao-m39
Type:Observation
Release date:June 29, 2004, 7:03 p.m.
Related announcements:noaoann04014
Size:6600 x 6600 px

About the Object

Name:M39, NGC 7092
Category:Star Clusters

Image Formats

Large JPEG
25.6 MB
Screensize JPEG
827.0 KB

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643.6 KB
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1.0 MB
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1.5 MB
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1.7 MB
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2.3 MB

Colors & filters

BandWavelengthTelescope
Optical
B
436 nmWIYN 0.9-meter Telescope
Mosaic 1
Optical
V
537 nmWIYN 0.9-meter Telescope
Mosaic 1
Optical
R
644 nmWIYN 0.9-meter Telescope
Mosaic 1