| URL | Priority | Change frequency | Last modified (GMT) |
|---|---|---|---|
| https://spectrumtelescope.com/product/h-alpha-7nm-deep-sky-imaging-filter-2/ | 60% | Monthly | 2022-04-21 15:41 |
| https://spectrumtelescope.com/product/five-hundred-solar-eclipse-viewer-glasses/ | 60% | Monthly | 2023-07-22 04:52 |