[back] NGC 6826 in Cygnus [NED]
Higher resolved image / Höher aufgelöstes Bild (1600 x 1195 Pixel)
150% crop of the PN / 150%-Ausschnitt des PNs
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(c) 2009 All astro photo images are copyrighted. They may not be used or reproduced without explicit written permission from the authors.. |
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180" |
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A 150% Crop of the PN / Ein 150%-Ausschnitt des PNs
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(c) 2009 All astro photo images are copyrighted. They may not be used or reproduced without explicit written permission from the authors.. |
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About this Image / Über dieses Bild
| CCD: | SBIG STL-11000M |
| Image Type, Orientation: | (L)-(R+Ha)-(G+OIII)+(B+OIII)-Composite for the field, L, Ha (12 nm), G, OIII-Composite for the center, North is at 12:00h |
| Exposure time: |
For the field: L: 3x600 sec., R, B: 3x900 sec., G: 4x600 sec., Ha: 7x900 sec., OIII: 7x900 sec., all 1x1 bin For the center: L: 10x60 sec., Ha: 7x900 sec., G: 4x600 sec., OIII: 7x900 sec., all 1x1 bin |
| Exposure date: |
July 2nd...August 2nd, 2008 |
| Location: | Skinakas Observatory at Crete, Greece, remote-controlled from Much/Germany |
| Filter: | SBIG 2" LRGB filter set for STL |
| Instrument: | Ganymed 60cm-Hypergraph in secondary focus (f=4938.3 mm) |
| Seeing (FWHM): | 1.5" for the field, 1.28" for the center |
| Photographer: | Stefan Binnewies, Josef Pöpsel |
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Remarks: |
Major seeing condition differences resulted in unnatural color halos around the brighter stars. Thanx to Bernd Koch for correcting this. The Galaxy at the right edge of the field image is PGC 63573. CCDSharp and DDP were used. |
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Bemerkungen: |
Deutliche Unterschiede beim
Seeing während der Belichtungen bewirkten unnatürliche Farbsäume um die
helleren Sterne. Wir danken deshalb Bernd Koch, der im Bild diesbezügliche
Korrekturen anbrachte. Die Galaxie am rechten Bildrand ist PGC 63573. |
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