[back] M 81 in Ursa Major[NED]
Higher resolved image / höher aufgelöstes Bild (2578 x 2233 Pixel)
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(c) 2020 All astro photo images are copyrighted. They may not be used or reproduced without explicit written permission from the authors. |
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5' |
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About this Image / Über dieses Bild
| CCD: | Moravian G3-16200 |
| Image Type, Orientation: | L-HaRGB Composite, North is at 12:00h |
| Exposure time: | L: 48x300s, Ha 27x300s, R:21x300s, G,B: 24x300s, all 1x1 bin (12h total) |
| Exposure date: | April 16th..30th and May 5th 2020 |
| Location: | Capella Observatory at Eifel, Germany, remote-controlled from Cologne/Germany |
| Filter: | Baader LRGB Filter set and 7nm Baader Ha Filter |
| Instrument: | Ganymed 60cm-Hypergraph in primary focus (f=1815.9 mm) |
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Seeing (FWHM): |
1.8"...2.4" |
| Photographer: | Frank Sackenheim, Stefan Binnewies, Josef Pöpsel |
| Remarks: | The image below shows a continuum subtracted Ha-Version of the image. It is the result of subtracting the R exposure from the Ha exposure and shows the pure Ha-Regions of the galaxie. |
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| Bemerkungen: | Das Bild unten zeigt zeigt eine Kontinuums-Subtraktion des Ha-Bildes. Es ist das Ergebnis der Subtraktion der Rot-Belichtung von der Ha-Belichtung und zeigt die reinen Ha-Regionen der Galaxie. |
Continuum subtracted Ha-Exposure of the image above
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(c) 2020 All astro photo images are copyrighted. They may not be used or reproduced without explicit written permission from the authors. |
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