Method of measuring the distance to horizon

Thread starter Clouds Givemethewillies
Start date May 25, 2017

Clouds Givemethewillies

Senior Member

May 25, 2017

With a photo of a suitable bit of coast with landmarks, the intersection of the horizon with the coast can be determined by the point of inflection of the edge of the sea. eg.

Clouds Givemethewillies

Senior Member

May 25, 2017

I also took photos of the point at Tonfanau from various known heights from nearby. Visibility was poor today..

You must log in or register to reply here.

Similar threads

How atmospheric tunelling and refraction really look like in real life.

Replies: 0

Views: 1K

Sep 17, 2019

Stefan Leahu

Selenelion Eclipses

Replies: 3

Views: 930

Sep 13, 2020

Priyadi

Illusions of Curvature - RC Boat Hidden on Small Pond

Replies: 10

Views: 2K

Feb 18, 2020

jonnyH

Judging Size and Distance of Unidentified Objects

Replies: 74

Views: 6K

Nov 28, 2020

Edward Current

Flat Earth vs Oblate Spheroid: Earthquakes

Replies: 3

Views: 1K

Jan 27, 2020

M Bornong

Thread starter	Related Articles	Forum	Replies	Date
B	Bob Lazar 1989 Video Analysis Method	UFOs, Aliens, Monsters, and the Paranormal	1	Jul 7, 2018
	Atmospheric sunlight refraction arguments on the Eratosthenes triangulation method	Flat Earth	37	Aug 5, 2016
	Method: determining the color of the sky	Skydentify - What is that Thing in the Sky?	21	Aug 23, 2014
	Richard Feynman Explains the Scientific Method	Practical Debunking	1	May 29, 2013
	On Natural Vision Improvement - Bates Method, and a few others (thoughts?)	Health and Quackery	22	Dec 3, 2012
	Measuring the radius of Earth using Long Range Observations (LROs)	Flat Earth	0	Jul 8, 2020
	Measuring Smart Meter RF Emissions	5G and Other EMF Health Concerns	1	Apr 29, 2020
	Measuring 5G EMF and using ICNIRP Guidelines	5G and Other EMF Health Concerns	14	Apr 1, 2020
	Flat Earth debunked by measuring angles to the sun	Flat Earth	36	Oct 3, 2017
	Measuring Horizon Drop And Earth's Equatorial Bulge From Rocket Launches	Flat Earth	2	Aug 30, 2017
	A DIY Theodolite for Measuring the Dip of the Horizon	Flat Earth	148	Apr 20, 2017
	Measuring the distance to the moon with laser reflections and the speed of light	Flat Earth	5	Nov 23, 2016
	Measuring the Curvature of the Horizon with a Level	Flat Earth	121	Aug 11, 2016
	Proposed experiment measuring Doppler shift of the sun on a flat earth model	Flat Earth	9	Jan 30, 2016
	Judging Size and Distance of Unidentified Objects	UFO Videos and Reports from the US Navy	74	Sep 10, 2020
J	Identifying the Mountains in JTolan's "Rocky Mountains" IR Video	Flat Earth	31	Mar 9, 2020
	Google Maps Measure Distance Using Great Circle	Flat Earth	0	Aug 4, 2019
	Claim: Distant Objects Being Obscured Is Due To the "Mirror Blocking" Effect of Inferior Mirages	Flat Earth	7	Jul 22, 2019
R	Utah "Flat Eath" Frozen Lake Experiment Shows Light Visible over Longer Distance than Expected	Flat Earth	8	Dec 14, 2017
	Explained: 443 km distance- mountains visible.	Flat Earth	13	Aug 9, 2017
	Explained: Observations of Canigou, Curvature of the Earth & Atmospheric Refraction	Flat Earth	158	May 10, 2017
	Help with a debate about curvature and distance calculations	Flat Earth	30	May 2, 2017
	Calculating the height of something in a P900 photo when distance is known	Flat Earth	59	Nov 12, 2016
	Contrail Angle with the Horizon - A Useful Distance Rule of Thumb?	Skydentify - What is that Thing in the Sky?	8	Feb 10, 2016
	Flat Earth Theory Debunked by Short Flights (QF27 & QF28) From Australia to South America	Flat Earth	276	Jul 2, 2015
	How far away is that contrail? Streamwood, IL 2nd March 2015	Skydentify - What is that Thing in the Sky?	21	Mar 4, 2015
	What's the Farthest Distance a Contrail is Visible at?	Contrails and Chemtrails	98	Jan 24, 2015
	How far away can I see an aircraft?	Contrails and Chemtrails	26	Jul 30, 2014