| IMPORTANT DATES | |
| Next Users' Committee Meeting | May-June, 1999 |
| Chandra launch | Under Review (check website for updates) |
| Performance and Verification | First  2 months after launch |
| GTO Observations (full time) | Next 2 months after launch |
| GO Observations (70% time) | Next 9 months after launch |
| Chandra Cycle 1 ends | 13 months after launch |
| NASA Research Announcement Cycle 2 | 4 months after launch |
| Guest Observer Proposals Due (Cycle 2) | 7 months after launch |