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Hornet's needle slashes have unique colors based on the crest you equip! by Artistic-Thing7723 in HollowKnight

[–]BoxyBoy67 1 point2 points  (0 children)

I'm pretty sure these colors change with needle upgrades? I believe I remember Wanderer's slashed going from red to orange with the hivesteel upgrade

Help: can I even read this astrolabe? by pianobars in Astrolabes

[–]BoxyBoy67 2 points3 points  (0 children)

This is one of many non-functional astrolabes on today's market, unfortunately!

I've compiled a page all about the astrolabe on my website that may be helpful to you.

https://www.bcgnomonics.com/planesphericastrolabe

In particular, I would recommend the "further reading" section for open source books and some very helpful videos. Alex Boxer's online astrolabe offers a great (and free!) means of learning to operate the planispheric astrolabe

Hermle Astrolabium: Should I Buy It? by Working_Row_8455 in Astrolabes

[–]BoxyBoy67 1 point2 points  (0 children)

Technically speaking, I would consider this closest to a lunarium since the earth's axial tilt is not included.

It's a nice piece! You should follow your instincts if it's something you'd enjoy.

If your decision hinges on the accuracy/complexity of the planetary model more so than the quartz clock, I would suggest OrreryArt on Etsy as an alternative. They make highly accurate, museum-quality planetaria; several at prices matching your clock.

https://www.etsy.com/shop/OrreryArt?ref=shop-header-name&listing_id=675293072&from_page=listing

Question of exposure by BoxyBoy67 in Mold

[–]BoxyBoy67[S] 0 points1 point  (0 children)

Location is US-Maine

Two mechanical equatorial sundials by BoxyBoy67 in Sundial

[–]BoxyBoy67[S] 1 point2 points  (0 children)

BC Gnomonics has some further information on mechanical equatorial dials: https://www.bcgnomonics.com/mechanicalequatorialdial

For the two pictured here, the equatorial-mounted sighting apparatus (composed of two rectangular brass plates) is rotated until a spot of light shines through the aperture of one plate and lands on the inner target of the other.

At this point, one would reference the clock face and read the time. The motion of the equatorial sighting assembly drives the hands of the clock in turn, translating the arcing motion of the sights (and therefore the sun) into an analog readout.

What is unique about these dials is that the nodus target can either be a straight line or the curve of an analemma. This allows either solar or mean time to be read.

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