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| | Jeff Burton's Astronomy Notebook (Site not responding. Last check: 2007-11-03) |
 | | Mag: 9.2, Size: 5’, Class: VI With the 203mm SCT at 111x in the 18mm eyepiece, NGC6638 appears as a small, faint, diffuse ball of light. |
 | | Mag: 8.3, Size: 8.1’, Class: XI With the 203mm SCT at 111x in the 18mm eyepiece, NGC6553 appears as a large, faint, round, nebulous patch of light. |
 | | Mag: 9.1, Size: 5.9’, Class: VI With the 203mm SCT at 111x in the 18mm eyepiece, NGC6624 appears as a small globular cluster with a stellar-looking central core surrounded by a diffuse ball of light. |
| www.astrogeek.org /logs/2002/Jun162002.html (2406 words) |
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