EARTHings

When I was young, I thought the moon was following me. Now, I find myself chasing its every phase.

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𝗪𝗵𝘆 𝘁𝗵𝗲 𝗠𝗼𝗼𝗻 𝗟𝗼𝗼𝗸𝘀 𝗕𝗶𝗴𝗴𝗲𝗿 𝗶𝗻 𝗣𝗵𝗼𝘁𝗼𝘀?

Madalas, kapag kumukuha ako ng litrato na ang subject ay buwan kasama ang isang landmark o structure, gusto kong malaman kung gaano kalaki ang magiging itsura ng buwan kumpara sa subject.

May tatlo akong paraan para i‑estimate ito:

1. Gamit ang formula

L = D x θ (Angle in radians)

L = Linear size in meters
D = Distance (Subject x Vantage Point)
θ = Angle in radians ( Moon diameter 3,474 km / Distance of Moon sa Earth 384,400 = 0.009 Rad or 0.52 degrees

Halimbawa katulad nitong nasa litrato.

Yung distance ko sa Monte Maria Shrine ay nasa 16.4km dahil nasa Mabini Batangas ako ng shoot.

L = 16,400m x 0.009
L = 147.6 Meters

Ibig sabihin, mula sa vantage point ko, ang buwan ay mag-a-appear na parang 147.6 meters wide sa likod ng Monte Maria. Dahil ang statue ay nasa 98 meters lang ang taas, mas malaki talaga ang buwan sa frame. lalo na kapag gumamit ng telephoto lens at 200mm-600mm dahil sa compression effect.

2. Gamit ang App katulad Ng Photopills. Meron na nakalagay agad gaanu kalaki Yung buwan in linear meter based sa camera location and subject location.

3. Nabanggit ko sa formula sa taas ang 0.52° angular size ng buwan kapag tinitingnan mula sa Earth. Halos katumbas ito ng laki ng thumbnail sa arm’s length, na siyang common rule of thumb sa astronomy.

PS: Single Shot lahat ito. Hindi blended/ composite at Hindi AI

📷 Canon M50ii

©️EARTHings. Please don't grab or use photos without permission. Attribution is required.
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𝗪𝗔𝗡𝗜𝗡𝗚 𝗚𝗜𝗕𝗕𝗢𝗨𝗦 𝗠𝗢𝗢𝗡𝗦𝗘𝗧 💙🌔

05.03.2026

©️EARTHings. Please don't grab or use photos without permission. Attribution is required.
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