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Glow is reflected off fume rising from active flow. Width of glow just above top of Pulama pali is measure of length of flow, which heads obliquely toward camera. Glow likely comes from flow erupted from Puka Nui vent but could also be affected by lava on surface of Amalgamated Bend and Okita rootless shields. A few minutes earlier, glow towered much higher, but fumbling with camera resulted in missed opportunity.