[back] NGC 6357 in Scorpius [NED]
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(c) 2004 All astro photo images are copyrighted. They may not be used or reproduced without explicit written permission from the authors. |
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60" |
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About this Image / Über dieses Bild
| CCD: | ST10 XME |
| Image Type, Orientation: | (L+Ha)-RGB Composite, North is at 4:00h |
| Exposure time: | L: 16x60sec. 1x1 bin, Ha: 8x120sec. 1x1 bin, R,G,B: 8x120 sec. 1x1 bin |
| Exposure date: | June 13th, 2004 |
| Location: | Capella Observatory at Amani Lodge, Kupferberg near Windhoek, Namibia |
| Filter: | FR03 + Astronomik Typ II LRGB filters |
| Instrument: | Ganymed 60cm-Hypergraph in secondary focus, f=4800 mm |
| Seeing (FWHM): | 1.8" |
| Photographer: | Josef Pöpsel, Beate Behle |
| Remarks: |
In order to enhance the very low color shade of this nebula, which emits light mainly in Ha, the saturation was tuned up strongly. Image processed with CCD-Sharp and digital development (DDP). |
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| Bemerkungen: |
Um die sehr schwachen Farbnuancen dieses vorwiegend im Ha-Licht scheinenden Nebels hervorzuheben, wurde die Farbsättigung stark angehoben. Das Bild wurde mit Hilfe von CCD-Sharp und "digital development" (DDP) bearbeitet. |
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