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| File information | |
| Filename: | OSC_Narrowband_Filter_Comparison.pdf |
| Album name: | JohnDeathridge / Nebulae |
| Link-words: | Nebula |
| Image date, time and location: | Dates in August |
| Telescope aperture and focal ratio: | William Optics Ftl 91 439 f5.6 |
| Camera and filters used: | ZWO ASi 2600MC Pro Optolong 3nm Dual-Band L-Ultimate H-alpha and Oxygen III and and Askar ColourMagic 2" 6nm OIII/SII Duo Band D2 filters |
| Processing applied: | PixinSight OSC Hubble and dual narrowband mono |
| Filesize: | 2962 KiB |
| Date added: | Sep 07, 2023 |
| Dimensions: | 0 x 0 pixels |
| Displayed: | 29 times |
| URL: | http://gallery.orpington-astronomy.org.uk/displayimage-2639-_OSC_Narrowband_Filter_Comparison_pdf_.html |
| Favorites: | Add to Favorites |
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