Zwicky's Triplet

Zwicky's Triplet is a group of three galaxies visible in the constellation Hercules.[3][4]

Zwicky's Triplet
Observation data (Epoch )
Constellation(s)	Hercules
Right ascension	16^h 49^m 28.3^s[1]
Declination	+45° 27′ 40″[1]
Brightest member	NGC 6241[2]

References

1. Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
2. "Zwicky's Triplet". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-01-08.
3. Steinicke, Wolfgang; Jakiel, Richard (January 4, 2007). Galaxies and How to Observe Them. Springer Science & Business Media. p. 194. ISBN 978-1-84628-699-5.
4. Zombeck, Martin V. (November 9, 2006). Handbook of Space Astronomy and Astrophysics. Cambridge University Press. p. 125. ISBN 978-1-139-45950-1.