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gptkb:Pulkovo_Observatory
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gptkb:Pulkovo_15-inch_refractor
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|
gptkb:Pulkovo_Observatory
|
gptkb:Pulkovo_26-inch_refractor
|
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gptkb:Royal_Observatory_of_Turin
|
Infrared telescopes
|
|
gptkb:Pulkovo_Observatory
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gptkb:Pulkovo_1.5-meter_telescope
|
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gptkb:Pulkovo_Observatory
|
Pulkovo 2.5-meter telescope
|
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gptkb:Las_Cumbres_Observatory
|
multiple telescopes
|
|
gptkb:Royal_Observatory_of_Turin
|
Radio telescopes
|
|
gptkb:Royal_Observatory_of_Turin
|
Space telescopes
|
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gptkb:the_Royal_Observatory,_Greenwich
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historic telescopes
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gptkb:Royal_Observatory_of_Turin
|
Optical telescopes
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