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femtoe: Saturn 05-17-2014 D
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femtoe: DSC_5931
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femtoe: Star Trail 2
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femtoe: Jupiter and moons
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femtoe: First Parish Church of Stow and Acton
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femtoe: 8-10-2014 D38/365 "Super Moon"
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femtoe: Sunspot 2014-10-20 AR 2192
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femtoe: Ultraviolet Sunspot AR 2192 10/27/2014
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femtoe: Ultraviolet Sunspot AR 2192 10/27/2014
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femtoe: Geminid Meteor 双子座流星雨
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femtoe: W2 Milky Way over Pawtuckaway Lake
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femtoe: Milkyway Vortex Star Trail
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femtoe: Perseid meteor shower
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femtoe: Spiral Star Trail
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femtoe: W4 Andromeda Galaxy
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femtoe: W9 Supermoon lunar eclipse Sept. 2015
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femtoe: Blood moon 2015
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femtoe: ISS_moon
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femtoe: M42
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femtoe: C/2020 F3 Neowise
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femtoe: Saturn
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femtoe: Jupiter_4-satellite
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femtoe: A great conjunction of Jupiter and Saturn