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: http://www.stsci.edu/documents/dhb/webvol2/0_preface.fm3.html
Дата изменения: Tue Feb 10 20:05:34 1998 Дата индексирования: Sat Dec 22 15:35:36 2007 Кодировка: Поисковые слова: ngc 253 |
Tip: No problems...just another way to do something or a suggestion that might make your life easier.
Heads Up: Here is something that is often done incorrectly or that is not -obvious.
Warning: You could corrupt data, produce incorrect results, or create some other kind of severe problem.