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| Issue Date | Title | Author(s) |
| 1989-03 | The age distribution of open clusters as a function of Trumpler's classification | Bhatt, B. C; Pandey, A. K; Mahra, H. S |
| 1987 | Atmospheric Precipitable Water Vapour Over Manora-Peak Naini-Tal | Bhatt, B. C; Mahra, H. S |
| 1993-03 | CCD photometry of galactic open star clusters -- 2: NGC 7419 | Bhatt, B. C; Pandey, A. K; Mohan, V; Mahra, H. S; Paliwal, D. C |
| 1994 | CCD photometry of galactic open star clusters IV. NGC 366 | Pandey, A. K; Bhatt, B. C; Mohan, V; Paliwal, D. C; Mahra, H. S |
| 1994 | CCD photometry of galactic open star clusters-III. NGC 1931 | Bhatt, B. C; Pandey, A. K; Mahra, H. S; Paliwal, D. C |
| 1992 | CCD photometry of the galactic open star clusters. I - King 10 | Mohan, V; Pandey, A. K; Paliwal, D. C; Sagar, R; Mahra, H. S |
| 1996 | CCD Photometry of the Open Cluster BE 69 | Pandey, A. K; Durgapal, A. K; Bhatt, B. C; Mohan, V; Mahra, H. S |
| 1992 | Effect of mass segregation on mass function of young open clusters | Pandey, A. K; Mahra, H. S; Sagar, R |
| 1979-12 | Extended ring system of Uranus | Bhattacharyya, J. C; Bappu, M. K. V; Mohin, S; Mahra, H. S; Gupta, S. K |
| 1989-01 | Integrated parameters of open clusters | Pandey, A. K; Bhatt, B. C; Mahra, H. S; Sagar, R |
| 1998-03 | The Intermediate Polar PQ GEM -- Status of Wet Observations of 1996 | Marar, T. M. K; Seetha, S; Ashoka, B. N; Kasturirangan, K; Mahra, H. S; Bhattacharyya, J. C; Leibowitz, E. M; Hemar, S; Mendelson, H; Ibbetson, P. A; O'Donoghue, D; Buckley, D. A. H; Breger, M; Handler, G; Sperl, M; Serkowitsch, E; Moskalik, P; Zola, S; Pajdosz, G; Krzesinski, J; Silvotti, R; Vauclair, G; Dolez, N; Solheim, J. E; Pfeiffer, B; Kepler, S. O; Kanaan, A; Provencal, J; Kawaler, S. D; O'Brien, M. S; Nather, R. E; Winget, D. E; Kleinman, S; Nitta, A; Bradley, P. A; Guzik, J. A; Clemens, C; Sullivan, D. J; Jiang, X |
| 1984-09 | The Occulatation of Hyd - 20/sup0/51695 by Uranus on 1982 May 1 | Pandey, A. K; Mahra, H. S; Mohan, V |
| 1983-06 | The Occultation of BD - 19 4222 by Uranus on 1981 April 26 | Mahra, H. S; Pandey, A. K; Joshi, U. C; Mohan, V |
| 1997 | Photometric Flash-Light Observations of SL9 Impact on Jupiter | Srivastava, R. K; Padalia, T. D; Mahra, H. S |
| 1998 | Photometric observations of cataclysmic variables from UPSO, Naini Tal | Ashoka, B. N; Seetha, S; Marar, T. M. K; Raj, E; Kasturirangan, K; Mahra, H. S |
| 1991 | Photometric performance of UPSO CCD system | Mohan, V; Paliwal, D. C; Mahra, H. S |
| 1996 | A photometric study of the open cluster King 7 | Durgapal, A. K; Mohan, V; Pandey, A. K; Mahra, H. S |
| 1983 | Some further measurements of Uranian ring condensations | Vasundhara, R; Bhattacharyya, J. C; Rajamohan, R; Mahra, H. S |
| 1997-04 | Stellar contents of the open clusters Be 64 and Be 69 | Pandey, A. K; Durgapal, A. K; Bhatt, B. C; Mohan, V; Mahra, H. S |
| 1991 | A study of the spatial variation of mass functions in some young open clusters | Pandey, A. K; Mahra, H. S; Sagar, R |
