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| TEC 250/20 at native FL (5m), ST-10XME Thirty 1 sec images (with small ROI) R, G and B, best 10 of each stacked in CCDStack Original image scale 0.28"/px, resample here to 0.14"/px (Separation of Triton and Neptune measured on original uncalibrated frame) Colors determined using Don Goldman's Astrodon RGB Calculator The ST-10 has small pixels and a high QE. It also has a large enough chip to find these small targets for framing. |
| Neptune and Triton October 15 2215H PDT (Oct 16 0515H UTC |
