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M 51 "Whirlpool Galaxy"
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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 = 380:90:90:180 min |
| Location: | My backyard observatory in Moneglia (GE), Italia |
| Date: | April 2004 |