From the Cave to the Wave

Sharpless 2-155, 2-160

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SV152 Refractor @ f/6
Riccardi 0.75x Reducer 
Moravian G3-16200
Optolong LRGB
Astrodon Ha/OIII/SII Mach1GTO CP4

HaRGB
RGB=9x15min
Ha=15x20min
Total = 11hrs 45min

Sharpless 2-155, the Cave, is lower right.  Sharpless 2-160, the wave, is upper left.