The days I am standing on my shadow

Lets brighten up peoples live with all those lovely pictures of the world around us!

Moderator: Montana

Post Reply
User avatar
rsfoto
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 2201
Joined: Mon Jun 18, 2012 8:30 pm
Location: San Luis Potosi, México
Has thanked: 637 times
Been thanked: 479 times

The days I am standing on my shadow

Post by rsfoto » Mon Jun 29, 2020 4:00 pm

Hi,

There is the Sun phenomena called Sub Solar point which means you have no shadow or you can trip on your shadow but this only happens in the latitudes below the Tropic of Cancer and above the Tropic of Capricorn.

Here is the link to the page https://rl.se/zenith-calendar

Punto_SubSolar_0_0.JPG
Punto_SubSolar_0_0.JPG (111.63 KiB) Viewed 125 times

I live approximately 140 km South of the Tropic of Cancer and here the days I can stand on my shadow :seesaw

Punto_SubSolar_SLP_Julio.JPG
Punto_SubSolar_SLP_Julio.JPG (158.4 KiB) Viewed 125 times


regards Rainer

Observatorio Real de 14 San Luis Potosi Mexico

User avatar
marktownley
Librarian
Librarian
Posts: 28517
Joined: Tue Oct 18, 2011 5:27 pm
Location: Brierley Hills, UK
Has thanked: 1277 times
Been thanked: 530 times
Contact:

Re: The days I am standing on my shadow

Post by marktownley » Mon Jun 29, 2020 4:51 pm

Interesting stuff thanks!


Image
http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!

User avatar
Montana
Librarian
Librarian
Posts: 22643
Joined: Mon Oct 17, 2011 5:25 pm
Location: Cheshire, UK
Has thanked: 1112 times
Been thanked: 377 times

Re: The days I am standing on my shadow

Post by Montana » Mon Jun 29, 2020 5:54 pm

That's interesting! you need to photograph your shadow at that point in time, I'm guess there will only be your feet?

Alexandra



User avatar
rsfoto
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 2201
Joined: Mon Jun 18, 2012 8:30 pm
Location: San Luis Potosi, México
Has thanked: 637 times
Been thanked: 479 times

Re: The days I am standing on my shadow

Post by rsfoto » Mon Jun 29, 2020 9:45 pm

Montana wrote:
Mon Jun 29, 2020 5:54 pm
That's interesting! you need to photograph your shadow at that point in time, I'm guess there will only be your feet?

Alexandra
Hi, There will be no shadow at all as the Sun rays will be 100% parallel and so no shadow is visible except OK if I take the air gap between my shoe sole at the front which raises a bit :mrgreen: :mrgreen: :mrgreen: or the posts have not been exactly positioned :lol: :lol: :lol:

Below some images taken by a friend in 2018 and 2019

subSolarMay18-0896.jpg
subSolarMay18-0896.jpg (772.65 KiB) Viewed 104 times
subSolarJun18-0917.jpg
subSolarJun18-0917.jpg (789.32 KiB) Viewed 104 times
subSolar3jun18-0935.jpg
subSolar3jun18-0935.jpg (342.38 KiB) Viewed 104 times
WhatsApp Image 2018-05-30 at 13.44.29.jpeg
WhatsApp Image 2018-05-30 at 13.44.29.jpeg (110.3 KiB) Viewed 104 times
Fernando_SubSolar.jpg
Fernando_SubSolar.jpg (485.68 KiB) Viewed 104 times


regards Rainer

Observatorio Real de 14 San Luis Potosi Mexico

Derek Klepp
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 12824
Joined: Wed Oct 19, 2011 10:02 am
Been thanked: 109 times

Re: The days I am standing on my shadow

Post by Derek Klepp » Tue Jun 30, 2020 6:59 am

Thanks Rainer I found that really interesting.
Derek



User avatar
Montana
Librarian
Librarian
Posts: 22643
Joined: Mon Oct 17, 2011 5:25 pm
Location: Cheshire, UK
Has thanked: 1112 times
Been thanked: 377 times

Re: The days I am standing on my shadow

Post by Montana » Tue Jun 30, 2020 9:31 am

That is such a strange concept to have no shadow at all :)

I remember when I first went to America and we were in Florida at NASA Cape Canaveral, it was our second day in Florida and I remember leaping about and saying to the Hubby, look I have hardly any shadow, isn't it so strange and weird! he looked at me in a strange and weird way :lol: It is the only time I have ever seen this as we continued northwards on the cruise and the shadows became more normal.

Alexandra



User avatar
MapleRidge
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 6533
Joined: Fri Jan 13, 2012 11:58 pm
Location: Cambray, ON Canada
Has thanked: 5 times
Been thanked: 110 times
Contact:

Re: The days I am standing on my shadow

Post by MapleRidge » Wed Jul 01, 2020 12:24 pm

Seems strange to have no shadow ;)

Brian


Brian Colville

Maple Ridge Observatory

Cambray, ON Canada

Photos: https://www.flickr.com/photos/185395281@N08/albums

User avatar
rsfoto
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 2201
Joined: Mon Jun 18, 2012 8:30 pm
Location: San Luis Potosi, México
Has thanked: 637 times
Been thanked: 479 times

Re: The days I am standing on my shadow

Post by rsfoto » Tue Jul 07, 2020 7:56 pm

Hi,

Testing how to best see the Sub Solar point in my garden yesterday I tested a Flamingo and today a Level.

Yesterday the Sun was at 89.5° and today at 89.6° and on Friday July 10 it will be exactly at 90°. So I still have 2 days for testing :mrgreen:

July 6 2020
Image

July 7 2020
SubSolar_20200707_89.6°.jpg
SubSolar_20200707_89.6°.jpg (893.06 KiB) Viewed 30 times
Last edited by rsfoto on Wed Jul 08, 2020 2:39 pm, edited 1 time in total.


regards Rainer

Observatorio Real de 14 San Luis Potosi Mexico

Derek Klepp
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 12824
Joined: Wed Oct 19, 2011 10:02 am
Been thanked: 109 times

Re: The days I am standing on my shadow

Post by Derek Klepp » Wed Jul 08, 2020 9:23 am

Thanks for the update Rainer.
Derek



User avatar
rsfoto
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 2201
Joined: Mon Jun 18, 2012 8:30 pm
Location: San Luis Potosi, México
Has thanked: 637 times
Been thanked: 479 times

Re: The days I am standing on my shadow

Post by rsfoto » Wed Jul 08, 2020 7:36 pm

Hi,

Today July 8 2020 update.

Sun was behind a cloud at 13:49 hours Mexico time (UTC 18:49 hours) :cry:

SSPoint_NHSA_08072020_13h49m.jpg
SSPoint_NHSA_08072020_13h49m.jpg (294.21 KiB) Viewed 10 times

Now thinking about the level from yesterday I remembered that in my photography hardware arsenal I have a Nodal Ninja from Fanotec Panoramic Equipment and there are bars with leveling bubbles. So much better to get the vertical bar really vertical.

NodalNinja_Fanotec_SSPoint_NHSA.jpg
NodalNinja_Fanotec_SSPoint_NHSA.jpg (596.45 KiB) Viewed 10 times


regards Rainer

Observatorio Real de 14 San Luis Potosi Mexico

User avatar
marktownley
Librarian
Librarian
Posts: 28517
Joined: Tue Oct 18, 2011 5:27 pm
Location: Brierley Hills, UK
Has thanked: 1277 times
Been thanked: 530 times
Contact:

Re: The days I am standing on my shadow

Post by marktownley » Wed Jul 08, 2020 8:24 pm

Very cool!


Image
http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!

Post Reply