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A century of technological progress.

Home › Forums › General Discussion › 2021 Handbook now available for download › A century of technological progress.

13 October 2020 at 9:49 pm #583241
Paul Leyland
Participant

Much the same could be said of the usefulness of publishing predicted magnitudes as faint as 15, let alone well below 20.

BAA members can now readily observe things which are significantly fainter than mag. 22.

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