| Corona Borealis |
| Corona Borealis |
| Corona Borealis |
| Notes | Mouse over image to view chart. |
| Imager | Walter MacDonald |
| Scope | Celestron 8 |
| Camera | Minolta SRT-101, 135mm f/2.8, Lumicon Minus Violet filter |
| Film | Ektachrome P1600, pushed to 1600 |
| Exposure | 20 minutes |
| Location | Star Hill Inn, New Mexico, USA |
| Date | Su/Mo March 22/23, 1998 |