NGC 6503
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| Telescope: C-11 SCT F/6.3 | Guiding: 70mm F/7.1 - PHD guiding |
| Camera: SXV H-9 | Exposure time: L 51'---R 17.5'-G 15'-B 17.5' |
| Mount: EQ6 pro | Date: 05 / 06 / 2009 |
| Filter Wheel: Atik manual filter wheel | Location: Athens ''ZHN'' observatory |
| Filters: Astronomik L Ha RGB filters | Object location: RA 17h 49.4m Dec: 70* 09' |