Michael F. Skrutskie, Roc M. Cutri, Rae Stiening, Martin D. Weinberg, Stephen E. Schneider, John M. Carpenter, Charles A. Beichman, Richard W. Capps, Thomas Chester, Jonathan H. Elias, John P. Huchra, James W. Liebert, Carol J. Lonsdale, David G. Monet, Stephan Price, Patrick Seitzer, Thomas H. Jarrett, J. Davy Kirkpatrick, John E. Gizis, Elizabeth V. Howard, Tracey E. Evans, John W. Fowler, Linda Fullmer, Robert L. Hurt, Robert M. Light, Eugene L. Kopan, Kenneth A. Marsh, Howard L. McCallon, Robert Tam, Schuyler D. Van Dyk e Sherry L. Wheelock, The Two Micron All Sky Survey (2MASS), in The Astronomical Journal, vol. 131, n. 2, 1º febbraio 2006, pp. 1163–1183, Bibcode:2006AJ....131.1163S, DOI:10.1086/498708, ISSN 0004-6256 (WC · ACNP).
harvard.edu
ui.adsabs.harvard.edu
Michael F. Skrutskie, Roc M. Cutri, Rae Stiening, Martin D. Weinberg, Stephen E. Schneider, John M. Carpenter, Charles A. Beichman, Richard W. Capps, Thomas Chester, Jonathan H. Elias, John P. Huchra, James W. Liebert, Carol J. Lonsdale, David G. Monet, Stephan Price, Patrick Seitzer, Thomas H. Jarrett, J. Davy Kirkpatrick, John E. Gizis, Elizabeth V. Howard, Tracey E. Evans, John W. Fowler, Linda Fullmer, Robert L. Hurt, Robert M. Light, Eugene L. Kopan, Kenneth A. Marsh, Howard L. McCallon, Robert Tam, Schuyler D. Van Dyk e Sherry L. Wheelock, The Two Micron All Sky Survey (2MASS), in The Astronomical Journal, vol. 131, n. 2, 1º febbraio 2006, pp. 1163–1183, Bibcode:2006AJ....131.1163S, DOI:10.1086/498708, ISSN 0004-6256 (WC · ACNP).
adsabs.harvard.edu
Michael F. Skrutskie, Roc M. Cutri, Rae Stiening, Martin D. Weinberg, Stephen E. Schneider, John M. Carpenter, Charles A. Beichman, Richard W. Capps, Thomas Chester, Jonathan H. Elias, John P. Huchra, James W. Liebert, Carol J. Lonsdale, David G. Monet, Stephan Price, Patrick Seitzer, Thomas H. Jarrett, J. Davy Kirkpatrick, John E. Gizis, Elizabeth V. Howard, Tracey E. Evans, John W. Fowler, Linda Fullmer, Robert L. Hurt, Robert M. Light, Eugene L. Kopan, Kenneth A. Marsh, Howard L. McCallon, Robert Tam, Schuyler D. Van Dyk e Sherry L. Wheelock, The Two Micron All Sky Survey (2MASS), in The Astronomical Journal, vol. 131, n. 2, 1º febbraio 2006, pp. 1163–1183, Bibcode:2006AJ....131.1163S, DOI:10.1086/498708, ISSN 0004-6256 (WC · ACNP).
skyhound.com
observing.skyhound.com
NGC 128, su Observing at Skyhound. URL consultato il 5 gennaio 2016.
Michael F. Skrutskie, Roc M. Cutri, Rae Stiening, Martin D. Weinberg, Stephen E. Schneider, John M. Carpenter, Charles A. Beichman, Richard W. Capps, Thomas Chester, Jonathan H. Elias, John P. Huchra, James W. Liebert, Carol J. Lonsdale, David G. Monet, Stephan Price, Patrick Seitzer, Thomas H. Jarrett, J. Davy Kirkpatrick, John E. Gizis, Elizabeth V. Howard, Tracey E. Evans, John W. Fowler, Linda Fullmer, Robert L. Hurt, Robert M. Light, Eugene L. Kopan, Kenneth A. Marsh, Howard L. McCallon, Robert Tam, Schuyler D. Van Dyk e Sherry L. Wheelock, The Two Micron All Sky Survey (2MASS), in The Astronomical Journal, vol. 131, n. 2, 1º febbraio 2006, pp. 1163–1183, Bibcode:2006AJ....131.1163S, DOI:10.1086/498708, ISSN 0004-6256 (WC · ACNP).
web.archive.org
NGC 125, su The NGC/IC Project. URL consultato il 5 gennaio 2016 (archiviato dall'url originale il 28 maggio 2009).
Michael F. Skrutskie, Roc M. Cutri, Rae Stiening, Martin D. Weinberg, Stephen E. Schneider, John M. Carpenter, Charles A. Beichman, Richard W. Capps, Thomas Chester, Jonathan H. Elias, John P. Huchra, James W. Liebert, Carol J. Lonsdale, David G. Monet, Stephan Price, Patrick Seitzer, Thomas H. Jarrett, J. Davy Kirkpatrick, John E. Gizis, Elizabeth V. Howard, Tracey E. Evans, John W. Fowler, Linda Fullmer, Robert L. Hurt, Robert M. Light, Eugene L. Kopan, Kenneth A. Marsh, Howard L. McCallon, Robert Tam, Schuyler D. Van Dyk e Sherry L. Wheelock, The Two Micron All Sky Survey (2MASS), in The Astronomical Journal, vol. 131, n. 2, 1º febbraio 2006, pp. 1163–1183, Bibcode:2006AJ....131.1163S, DOI:10.1086/498708, ISSN 0004-6256 (WC · ACNP).
