NGC 1491
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| Telescope: C-11 SCT F/6.3 | Guiding: 400 mm Telephoto lens - PHD guiding |
| Camera: SXV H-9 | Exposure time: Ha 454'---Ha 454'-sG 80'-O iii 120' |
| Mount: EQ6 pro | Date: 09 / 01 / 2011 |
| Filter Wheel: S-X filter wheel | Location: Athens ''ZHN'' observatory |
| Filters: Astronomik L Ha RGB filters | Object location: RA: 04h 3.4m Dec: 51* 19' |
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| Telescope: 5 inch achr. refractor F/7.9 | Guiding: 70 mm F/7.1 - PHD guiding |
| Camera: SXV H-9 | Exposure time: Ha 162'---Ha162'-G15'-B15' |
| Mount: EQ6 pro | Date: 10/12 /2007 |
| Filter Wheel: Atik manual filter wheel | Location: Athens ''ZHN'' observatory |
| Filters: Astronomik L Ha RGB filters | Object location: RA: 04h 3.4m Dec: 51* 19' |