Follow dark sky guidelines. "lighting should...

• Only be on when needed
• Only light the area that needs it
• Be no brighter than necessary
• Minimize blue light emissions
• Eliminate upward-directed light"

The fixture in the second photo is not dark sky as it would emit light outward, not downward, which is undesirable.

If you have double doors, why would you want a vertical bar? Is it removeable if you need to bring a large object inside?

Yes

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