Comparison of visible hydrogen emission in the NW filament of SN 1006 in data taken at the CTIO 0.9m telescope (H-alpha, continuum-subtracted; Winkler, et al.) in 1998 (shown in green), and the Hubble ACS data (Raymond et. al) in 2006 (shown in red). The stellar background is from WFPC2 broadband B, V, and I data from 2008 (Hubble Heritage Team).
Object Names: SN 1006, SNR 327.6+14.6
Image Type: Astronomical/Illustration
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