[back] M 3 in Canes Venatici (First Light Image) [NED]
Concentration Class VI
(c) 2003 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 with AO7 |
| Image Type: | LRGB Composite |
| Exposure time: | L: 1x300 sec. 1x1 bin, R,G,B: 1x300 sec.2x2 bin |
| Exposure date: | June 4th/5th, 2003 |
| Location: | Bad Arolsen, Germany |
| Filter: | FR03 + Astronomic Typ II LRGB filters |
| Instrument: | Ganymed 60cm-Hypergraph in secondary focus, f=4800 mm |
| Seeing (FWHM): | 2.5" |
| Photographer: | Josef Pöpsel |
| Remarks: | This was the first light image of Ganymed taken in the backyard of Josef Pöpsel's house. We had some problems with astigmatismus at that time. The primary mirror was not correctly centered at the optical axis. |
| Bemerkungen: | Unsere allererste Aufnahme mit Ganymed im Garten von Josef Pöpsel. Wir hatten einige Probleme mit Astigmatismus, da der Primärspiegel nicht korrekt entlang der optischen Achse ausgerichtet war. |
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