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NGC 7023 "Iris Nebula"
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| Technical Details | |
| Telescope: | 10" f/8 "AstroSib" Ritchey-Chretién |
| Mount: | 10micron - GM2000 / FS2 german equatorial mount |
| Camera: | SBIG ST8E ABG + SBIG CFW8 (standard RGB filter set) |
| Exposure: | L:R:G:B = 300:80:80:160 min |
| Location: | The "A.I.D.A." Association Observatory in Ragusa, Italia |
| Date: | July 2004 |