NGC 7023: The Iris Nebula and Cosmic Dust
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The Iris Nebula is a beautiful reflection nebula lit from behind by a bright star. Although the beautiful blue core is easily visible even with regular camera lenses, it takes dark skies and long exposures to bring out the subtle ripples of dust that appear to expand from the center.
Image details
| Telescope: | Celestron EdgeHD 9.25 | |
| Length: | 1645mm | |
| Aperture: | 235mm | |
| F-stop: | f/7.0 | |
| Sessions: | 1 | |
| Captured: | 2022-07-21 to 2022-07-21 | |
| Lights: | 64 | |
| Exposure: | 180 | |
| Total exposure: | 3 h | |
| Ra: | 21h 1m 40.0s | |
| Dec: | +68° 10' 12.966 | |
| Size: | 37.972 x 26.435 arcmin | |
| Radius: | 0.386 deg | |
| Scale: | 0.285 arcsec/pixel |
The Iris Nebula with no telescope
2023-07-23
The Mote in God's Eye
2023-04-15
The Iris Nebula
2022-07-21
NGC7023: The Iris Nebula
2021-06-26