| Show | author |
| Show | Camichel, H. |
| Show | Caballero-Nieves, S.M., Nelan, E.P., Gies, D.R., Wallace, D.J., DeGioia-Eastwood, |
| Show | Carro, Joseph M. |
| Show | Carbillet, M., Ricort, G., Aime, C., & Perrier, C. |
| Show | Casey, T.L. |
| Show | Catala, C. Forveille, T. & Lai, O. |
| Show | Cairo University |
| Show | Cazeneuve |
| Show | Caballero, R. |
| Show | Cabrit, S., Pety, J., Pesenti, N., & Dougados, C. |
| Show | Cuesta College |
| Show | Collier Cameron, A., Bouchy, F., Hebrard, G., Maxted, P., Pollacco, D., Pont, F., |
| Show | Chiron, D. |
| Show | Carte du Ciel (Astrographic Cat.; see also ref codes ACG, VAT, WFC) |
| Show | Chulkov, D., Strakhov, I. & Safonov, B. |
| Show | Candy, M.P. |
| Show | Celoria, G. |
| Show | Cester, B. |
| Show | Cifuentes, C., Caballero, J.A., Cortes-Contreras, M., Montes, D., Abellan, F.J., |
| Show | Cat. Gen. Argentina 1875 |
| Show | Ceragioli, Roger C. |
| Show | Carrasco-Gonzalez, C., Rodriguez, L.F., Anglada, G., & Curiel, S. |
| Show | Caratti o Garatti, A., Garcia Lopez, R., Ray, T.P., Eisloffel, J., Stecklum, B., |
| Show | Chandon, E. |
| Show | Chambliss, C.R. |
| Show | Chacornac, M. |
| Show | Chandrasekhar, T., Ashok, N.M. & Ragland, S. |
| Show | Chevalier, Stanislas |
| Show | Chang, K. |
| Show | Chelli, A., Zinnecker, H., Carrasco, L., Cruz-Gonzalez, I., & Perrier, C. |
| Show | Challis, J. |
| Show | Chaname, J. & Gould, A. |
| Show | Cohen, M. & Kuhi, L.V. |
| Show | Chofardet, P. |
| Show | Chapman, S. |
| Show | Center for High Ang. Res. Astronomy (speckle interferometry systems) |
| Show | Chiscano, T.V. |
| Show | Cheetham, A.C., Kraus, A.L., Ireland, M.J., Cieza, L., Rizzuto, A.C., & |
| Show | Churms, J. |
| Show | Cohen, R.E., Herbst, W., & Williams, E.C. |
| Show | Chen, X., Arce, H.G., Dunham, M.M., & Zhang, Q. |
| Show | Chu Z.-Y. (Chu Z.-Y., Ma, Z.-L., & Yan, L.-S.) |
| Show | Center for High Angular Resolution Astronomy (CHARA Interferometric Array) |
| Show | Chini, R., Hoffmeister, V.H., Nasseri, A., Stahl, O., & Zinnecker, H. |
| Show | Cincinnati Obs. |
| Show | Ciardullo, R., Bond, H.E., Sipior, M.S., Fullton, L.K., Zhang, C.-Y., & |
| Show | Brody, N., Fensterheim, N., Miller, G. & Sears, A.G. |
| Show | Coliac, J.-F. |
| Show | Christy, J.W. |
| Show | Collins, K.A., Grady, C.A., R.L., Wright, J.T., & Ciardi, D.R. |