Ring Nebula M57
M57 is planetary nebula 4100 light years distant and located in Lyra (the harp). Imaged at Kitt Peak with Steve White using a 16" LX200 scope with a SBIG ST8E / CFW8 on 3/29/00. Lum. 900 sec. 1x1, red 300 sec. 1x1, green 300 sec 1x1, blue 600 sec. 3x3. Camera operated @ -15c.
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