IC 4665

外部連結
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• [http://messier.seds.org/xtra/ngc/i4665.html IC 4665 @ SEDS IC objects pages]
• [http://www.univie.ac.at/webda/cgi-bin/ocl_page.cgi?cluster=IC+4665 IC 4665 www.univie.ac.at]

*

• [https://purl.fdlp.gov/GPO/gpo42005 X-Ray Activity in the Open Cluster IC 4665] National Aeronautics and Space Administration