Notes: Orion Ultrablock Filter used.
| Object: | M17 | Constellation: | Sagittarius |
| Type: | Emission Nebula | Location: | Oregon Star Party |
| Date: | 8/17/01 | Time: | 22:30 |
| Instrument: | 16" f/4.5 Dobsonian | Seeing: | 8 |
| Eyepiece: | 12mm Radian | Power: | 155x |
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Notes: Orion Ultrablock Filter used. |
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