22 Jul 2021
This is an image of NGC 6723 and NGC 6727. NGC is the globular cluster in the upper left of the image. It is about 28,000 light years away in the constellation Sagittarius. NGC 6727 is the blue reflection nebula in the center of the image.
NGC 6723
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Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Red | 300 | 25m | 5 |
| Green | 300 | 25m | 5 |
| Blue | 375 | 25m | 4 |
| Luminance | 225 | 15m | 4 |