Random Photos

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Discussion Overview

The thread features a collection of random photos shared by participants, encompassing various subjects such as landscapes, wildlife, and personal experiences. The discussion includes comments on the photos, questions about techniques, and reflections on the memories associated with the images.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Participants share a variety of photos, including landscapes from Central Park, autumn scenery, and wildlife encounters.
  • Some participants inquire about the techniques used to capture certain images, such as whether a photo was taken from a drone or a window.
  • There are discussions about specific details in photos, such as the appearance of clouds and shadows in mountain images.
  • One participant shares a story about a pet cat and relates it to the theme of unpredictability in experiments.
  • Another participant mentions a photo contest and reflects on past submissions and votes received.
  • There is a mention of a specific fungus or mold growing on a branch, with one participant speculating on its identity.

Areas of Agreement / Disagreement

Participants generally share their photos and experiences without reaching a consensus on specific technical aspects or interpretations of the images. Multiple viewpoints and interpretations are present throughout the discussion.

Contextual Notes

Some discussions involve assumptions about photographic techniques and the conditions under which photos were taken, which are not fully explored or resolved.

Who May Find This Useful

Individuals interested in photography, nature, and personal storytelling may find the shared experiences and insights valuable.

  • #1,681
Rive said:
Stripes
Very cool!
Particularly that the shadows are at different angles, that really caught my attention! :smile:

Rive said:
Distances...
A lovely view! :smile:
 
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Physics news on Phys.org
  • #1,682
Toadstools, Big Water Utah

Toadstools_Jan2024-44-1.jpg
 
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  • #1,683
Power line tower from my facebook today:

power-line-tower.jpg
 
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  • #1,684
Chinese new year decorations at the market
IMG20240129093544.jpg
 
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  • #1,685
Before and after a corrector plate cleaning on my 10" scope:

Meade_Plate_Cleaning_1.jpg

Meade_Plate_Cleaning_2.jpg


When it comes to cleaning the corrector plate on a telescope (such as a Schmidt-Cassegrain, Maksutov-Cassegrain, or Rowe-Ackerman Schmidt Astrograph), the primary lens of a refractor, or the primary mirror if the telescope doesn't have a corrector plate (e.g., Newtonian, Ritchey–Chrétien, or [Modified] Dall-Kircham), the best advice regarding when it is time to clean is:

Procrastinate
Procrastinate
Procrastinate

It's the one thing in life where procrastination is usually a good thing.

A little dust on the objective doesn't help the contrast, but other than that doesn't negatively impact the image as much as you might think. The reason for the procrastination is to lessen the chance of scratching the sensitive anti-reflective (AR) coatings on the lens or mirror. Less frequent cleanings mean less chance of scratches.

And when you do clean, do it carefully. As in really, really carefully.

The before picture above represents about a year and a half to two years of successful procrastination.

(I plan to finish up a couple of targets with this scope and then take it down for some planned maintenance soon anyway, so I figured now would be a good time to clean the corrector plate.)
 
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  • #1,686
I know @phinds will appreciate this from my Facebook feed today... :smile:

1706653934960.png
 
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  • #1,687
I had to think for a minute to figure out how you even DO that, and then I realized that it's not conceptually difficult, just VERY tedious and you have to love working with hand tools, which I am not good at (at least, not to this level).
 
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  • #1,688
IMG_20240205_073637.jpg
 
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  • #1,690
IMG_20240205_074707.jpg
 
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  • #1,691
IMG_20240205_074902.jpg
IMG_20240205_075057.jpg
 
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  • #1,692
Remote , only camping. Had read that there are very strong tidal currents between the islands. So used a safety line. However did not experience any during several days visit. You would be long gone out there.
IMG_20240205_080741.jpg
IMG_20240205_080751.jpg
 
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  • #1,693
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  • #1,694
Thought I had lost this.

IMG_20240209_143647_975.jpg
 
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  • #1,695
It looks like something that I would have to hide so that my wife wouldn't try to throw it away. :oldtongue:
 
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  • #1,696
Borg said:
It looks like something that I would have to hide so that my wife wouldn't try to throw it away. :oldtongue:
It was a gift off my Ex, she did not like me talking about physics but she liked buying ties!
 
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  • #1,697
pinball1970 said:
It was a gift off my Ex, she did not like me talking about physics but she liked buying ties nooses!
She was laying the groundwork to handle the problem if you didn't tone it down...
 
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  • #1,698
Around Jomtien. Fresh strawberries
IMG_20240209_194308.jpg
IMG_20240209_131800.jpg
IMG_20240210_073817.jpg
 
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  • #1,699
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  • #1,700
The plaque.

IMG_20240210_125617_180.jpg
 
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  • #1,701
Chinese New Year decorations outside central Library.

IMG_20240210_133505_792.jpg
 
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  • #1,702
Also visited here

IMG_20240210_122852_157.jpg
 
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  • #1,703
IMG_20240210_122829_125.jpg
 
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  • #1,704
Stunning inside.

IMG_20240210_123248_448~2.jpg
 
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  • #1,706
A little help from @Astranut with editing!
A few things named after this guy in Manchester, John Dalton.

IMG_20240210_124110_948~2.jpg
 
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  • #1,707
This is where I thought P52 would be, lower lighting. EDIT, but not facing that window!


IMG_20240210_123917_757~3.jpg
 
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  • #1,708
I took this for the books, the ones on the bottom opposite the chair are the height of the case they are in, about three feet.

IMG_20240210_124143_807~3.jpg
 
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  • #1,709
pinball1970 said:
I never knew the connection between Manchester and Abraham Lincoln.

https://acws.co.uk/archives-misc-lincoln_letter

View attachment 340133
With that slight blur that statue sent me into a cognitive dissonance loop ...
... but after some googlework I found that there are plenty of other people out there who finds Lincoln and Sherlock Cumberbatch ( :wink: ) similar enough o0)
 
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  • #1,710
pinball1970 said:
This is where I thought P52 would be, lower lighting. EDIT, but not facing that window!
Nice shot! :smile:
 

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