NGC 6559 is a star-forming region located at a distance of about 5000 light-years from Earth, in the constellation of Sagittarius, showing both emission (red) and reflection (bluish) regions. NGC 6559 is relatively small at only a few lightyears across. The nebula is found within Sharpless 29, an irregular H II region.
| Object | NGC6559 Reflection Nebula (incl. IC 1274, IC 1275, IC 4681, IC 4684, IC 4685, NGC 6559) |
| Constellation: | Sagittarius |
| Position: | RA 18h 09m 39s Dec -23° 52' 04'' |
| Apparent Size: | 8 x 5 arcmins |
| Apparent Magnitude: | |
| Distance in light years: | 5000 ly |
| Photo Data | |
| Date: | 14. – 18. May 2021 |
| Location: |
El Sauce Observatory Chile (1525m ASL) GPS: 30.472529° S, 70.762999° W |
| Telescope: | CHI-4-CCD: ASA500N f3.8/1900mm |
| Camera: | FLI PL16803 / 9μm 4096x4096px @ T sensor = -35.0°C |
| Field of View: | 1.1° x 1.1° |
| Pixel Scale/Resolution: | 0.98 arcsec/px |
| Expose frames/times: | L 5x600s, R 3x600s, G 3x600s, B 5x600s |
| Total expose: | 2h 40min |
| Filter: | Astrodon Luminance, Red, Green, Blue |
| Mount: | ASA DDM85 equatorial mount with direct drives |
| Software: | Siril 1.4, Photoshop CC |
| Remarks: |
© Photos by Peter Cerveny
© Object description/intro text fully or partially by Wikipedia,
which is released under the Creative Commons Attribution-ShareAlike 4.0 International License