| Object | Jewel Box | | Category | IAS Hakos, Namibia | | Designation | NGC 4755 | | Constellation | Crux | | Optics | Keller 20 inch Cassegrain f/9 in corrected secondary focus | | Mount | Liebscher GEM | | Camera | SBIG STL-11000M with internal CFW 5 | | Exposure | 3 x 10min each Baader RGB filterset. Maxim DL for image acquisition | | Calibration | Dark Frame | | Guiding | Selfguiding | | Processing | Maxim DL5, CCDStack, Photoshop. Color Code R,G,B | | Location-Date | IAS-Hakos, Namibia - 10 Apr 2010 |
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