屢敗屢戰的M42
屢敗屢戰的M42
換了相機, 確有改善, 但技術仍要再改進
M42 2009-11-22 @PTC
Meade 8 SCT, Meade 6.3 reducer (130mm from photosensor) effective focal length 1000mm, f/4.9, Celestron LPR filter, Canon 300D mode, ISO 1600, LXD75 unguided.
38s X 17, 23s X 5, 16s X 3, 5 x dark-frames, stacked by DSS, ACDSee adjusted, reduced.
M42 2009-11-22 @PTC
Meade 8 SCT, Meade 6.3 reducer (130mm from photosensor) effective focal length 1000mm, f/4.9, Celestron LPR filter, Canon 300D mode, ISO 1600, LXD75 unguided.
38s X 17, 23s X 5, 16s X 3, 5 x dark-frames, stacked by DSS, ACDSee adjusted, reduced.
- 附加檔案
-
- slightly better, still a long road to go.
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