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M51 - RA = 13h29.9m DC = +47°11' (J2000) |  |
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| LRGB from Silver Spring Observatory - MD (H85) 0.45-m f/7.25 RC + 3072x2048 CCD 2005/05/14 LRGB=780:110:110:110 min with background gradient removed |
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M51 - RA = 13h29.9m DC = +47°11' (J2000) | |
|---|---|---|
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| LRGB from Silver Spring Observatory - MD (H85) 0.45-m f/7.25 RC + 3072x2048 CCD 2005/05/14 LRGB=780:110:110:110 min with background gradient removed |
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