[back] NGC 7009 (Saturn Nebula) in Aquarius [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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30" |
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About this Image / Über dieses Bild
| CCD: | ST10 XME |
| Image Type, Orientation: | L-HaOIIIB Composite, North is at 2:00h |
| Exposure time: | L: 8x60 sec., Ha,OIII: 4x120 sec., B: 4x60 sec. 1x1 bin |
| Exposure date: | September 20th, 2004 |
| Location: | Capella Observatory at Amani Lodge, Kupferberg near Windhoek, Namibia |
| Filter: | FR03 + Astronomik Typ II LHaOIIIB filters |
| Instrument: | Ganymed 60cm-Hypergraph in secondary focus, f=4800 mm |
| Seeing (FWHM): | 2.8" |
| Photographer: | Josef Pöpsel |
| Remarks: |
Seeing was much too bad for this tiny (but bright) PN. We should do it again under better conditions. Image processed with CCDSharp and digital development (DDP). |
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| Bemerkungen: |
Das Seeing war viel zu schlecht für diesen kleinen (aber hellen) PN. Wir sollten ihn unter besseren Bedingungen noch einmal photografieren. Das Bild wurde mit Hilfe von CCDSharp und "digital development" (DDP) bearbeitet. |
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