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Date: 18 october 1997 Scope: 25cm Newton at f/D=60 CCD: FT800 Illumination: Sum of 3 images of 0.5sec Remarks: unsharp masking Date: 21 November 1998 Scope: 25cm Newton at f/D=44 CCD: FT800 with colour wheel Exposure: R 2x1sec, G 3x1sec, B 6x3sec Remarks: Sharpened with HF-structure of Red image. Date: 2 November 1999 Scope: 25cm Newton at f/D=44 CCD: FT800 with colour wheel Exposure: R 2x0.6sec, G 3x0.3sec, B 3x1.2sec Remarks: Unsharp masked with HF structure of R+G image Date: 24 November 2000 Scope: 25cm Newton at f/D=46 CCD: FT1020 colour CCD Exposure: 13x0.7sec Remarks: Unsharp masked Date: 6 December 2001 Scope: 25cm Newton at f/D=46 CCD: FTT1010-M with MYC-colour filters Exposure: Each colour 9x0.5sec Remark: Sharpened with HF-structure Y-image Date: 18 March 2003 Scope: 25cm Newton at f/D=46 CCD: FTT1010-M with MYC-colour filters Exposure: Each colour 8x0.5sec Processing: Luminance = unsharp masked Y-image Date: 8 March 2004 Scope: 25cm Newton at f/D=36 CCD: FTT1010-M with MYC-colour filters Exposure: Each colour 12x0.35sec Processing: Luminance = unsharp masked Y+M-image |
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