[back] NGC 2997 in Antlia [NED]
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Type: SBc |
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60" |
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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.
About this Image / Über dieses Bild
| CCD: | ST10 XME |
| Image Type, Orientation: | LRGB Composite, North is at 11:00h |
| Exposure time: | L: 12x300 sec. 1x1 bin, R,G,B: 4x300 sec.3x3 bin |
| Exposure date: | May 23ed, 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"-1.9" |
| Photographer: | Rainer Sparenberg, Stefan Binnewies, Volker Robering |
| Remarks: |
The spiral
structure in NGC 2997 is of the grand design type, the same as in
M 91, but with much more brightness. The inner disk is covered with
two
dust lanes, silhouetted against the central part of
the galaxy, which shows a high surface brightness. Many HII-regions exist in the two luminous arms. |
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Bemerkungen: |
Die Spiralarme in NGC 2997 sind
vom Grand Design Typ, wie bei M 91, aber mit höherer |
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