A long-exposure 4x5 large-format photograph of a derelict mountaintop observatory at blue…

• abandoned
• architecture
• astronomical phenomenon
• astronomy
• blue hour
• condition
• cracked
• decaying
• dome
• gemstone
• indigo
• landscape
• mineral
• mountain
• mountain peak
• observatory
• rock
• sapphire
• sky
• star trail
• terrain
• twilight
• white
• yellow
• 4x5 large format
• long exposure

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