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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
Thread started 31 Dec 2009 (Thursday) 21:07
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The Official Shoot the Moon Thread

 
WestCoastCannuck
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Oct 07, 2017 23:03 |  #4666

IMAGE: https://farm5.staticflickr.com/4500/37251302210_59dce81c56_b.jpg
IMAGE LINK: https://flic.kr/p/YKLE​kd  (external link) Moon 10-03-2017 (external link) by Mike Nash (external link), on Flickr

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A99ii|Tam15-30|M28-135|M35-105|M80-200G|SAL70400G|Σ50 1.4|CZ135/1.8|Minolta 300/2.8|Minolta 400/4.5

  
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Tareq
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Oct 08, 2017 12:11 |  #4667

Roy A. Rust wrote in post #18468169 (external link)
First: Thanks for the compliment about the images. To get the posted pictures into my gallery, it's necessary to select a lens from the choices POTN offers. But telescopes aren't listed in the choices for the lens used, so I picked a lens that was obviously not what I had used. I used the Meade ETX 125 telescope.

Second: You're right! The telescope with the short T-Adapter for my camera has a 1900mm focal length, but the adapter has an extension tube that increases the focal length to 2310mm. Then, I added a 1.4x teleconverter to that, which increased the focal length to 3234mm.

The image below is a screen capture from the manual for the Meade ETX telescopes, with the focal lengths listed with the short adapter and with the extension inserted... And that's how my photos were taken at 2310mm and 3234mm focal lengths. Also, the focal lengths given in the manual are for 35mm cameras. Since my camera has a smaller sensor, it has a 35mm equivalent conversion factor of 1.5... So if that is factored in, the 2310mm focal length converts to 3465mm, and the 3234mm focal length is equivalent to a photo taken with a 4851mm telephoto lens on a 35mm camera!!! The numbers just keep getting bigger and bigger.
thumbnail
Hosted photo: posted by Roy A. Rust in
./showthread.php?p=184​68169&i=i69348620
forum: Astronomy & Celestial

Thank you very much for your explanation!

This is the first time i know about that extension tube can increase the focal length, in astronomy gear i know that only a Barlow can increase the focal length of the telescope not the extension tubes.

Second, i didn't know that you can use a Teleconverter with a telescope, but no wonder as long you use a Canon DSLR then tha won't be a problem, i use an astro camera so only Barlow can be used here if i use a telescope, unless if i use a teleconverter with Canon lenses then i can use a T-adapter in this case.

I am not good in those calculations, so good image and well done with whatever gear you use, soon i will do the same too.


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Ben ­ in ­ San ­ Diego
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Oct 09, 2017 13:56 |  #4668

IMAGE: https://farm5.staticflickr.com/4454/23654069608_2da0f6b974_b.jpg
IMAGE LINK: https://flic.kr/p/C3eh​Nm  (external link) DSC_1346-3 (external link) by Ben A (external link), on Flickr

https://www.instagram.​com/ben_in_san_diego/ (external link)

  
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Ballen ­ Photo
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Oct 10, 2017 13:22 |  #4669

Ben in San Diego wrote in post #18469153 (external link)
QUOTED IMAGE
IMAGE LINK: https://flic.kr/p/C3eh​Nm  (external link) DSC_1346-3 (external link) by Ben A (external link), on Flickr

Nice composition.


The Captain and crew finally got their stuff together, now if we can only remember where we left it. :cool:

  
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SSNTUFF
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Oct 10, 2017 14:14 |  #4670

IMAGE: https://c2.staticflickr.com/8/7636/16907962685_f99966069f_b.jpg


One of my favs.

Land locked submariner, making do with what I have.

  
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SSNTUFF
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Post edited 9 months ago by SSNTUFF. (2 edits in all)
     
Oct 10, 2017 14:16 |  #4671

IMAGE: https://c2.staticflickr.com/8/7516/15770641697_3162db7764_c.jpg

I had to shrink this one a little.

Land locked submariner, making do with what I have.

  
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Ben ­ in ­ San ­ Diego
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Oct 10, 2017 20:07 |  #4672

Ballen Photo wrote in post #18469845 (external link)
Nice composition.

Thank you.


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Pagman
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Oct 20, 2017 22:12 |  #4673

One of my best I think.

P.


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Some stuff.

  
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Zivnuska
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Oct 21, 2017 15:57 |  #4674

PHOTOBUCKET EMBEDDING IS DISABLED BY THIS MEMBER.
Photobucket sends ads instead of embedding photos from their free galleries.
Click the link (if available) below to see the image in a gallery page.

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navydoc
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Oct 22, 2017 09:42 |  #4675

I tried out the new Preserve Details 2 feature in PS CC 2018 and it seems to work pretty well. Here's a crop of a portion of the moon after I enlarged 200%

The original was shot at an effective field of view of 1200mm using my FE 100-400 lens + 2x extender on my Sony a6500.


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Inspeqtor
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Oct 22, 2017 09:46 |  #4676

navydoc wrote in post #18478237 (external link)
I tried out the new Preserve Details 2 feature in PS CC 2018 and it seems to work pretty well. Here's a crop of a portion of the moon after I enlarged 200%

The original was shot at an effective field of view of 1200mm using my FE 100-400 lens + 2x extender on my Sony a6500.
thumbnail
Hosted photo: posted by navydoc in
./showthread.php?p=184​78237&i=i33099070
forum: Astronomy & Celestial

Those craters you have are phenomenal!! Wonderful detail there!!

Also very cool you found Gene's Place, but where is the flag???  :p


Charles
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navydoc
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Oct 22, 2017 10:00 |  #4677

Inspeqtor wrote in post #18478242 (external link)
Those craters you have are phenomenal!! Wonderful detail there!!

Also very cool you found Gene's Place, but where is the flag???  :p

The sign is pointing towards Gene's Place. That's where the flag is. :lol:

I was pretty happy with how the enlargement worked out. You can see it a bit larger on my Flickr page as well as a short video shot in 4k then cropped to 1080p.

https://www.flickr.com …7855833551/in/d​ateposted/ (external link)

Here's the video on Youtube.


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Two ­ Hot ­ Shoes
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Oct 22, 2017 12:20 as a reply to  @ navydoc's post |  #4678

:eek:


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Oct 22, 2017 13:46 |  #4679

Inspeqtor wrote in post #18478242 (external link)
Those craters you have are phenomenal!! Wonderful detail there!!

Also very cool you found Gene's Place, but where is the flag???  :p


navydoc wrote in post #18478251 (external link)
The sign is pointing towards Gene's Place. That's where the flag is. :lol:

I was pretty happy with how the enlargement worked out. You can see it a bit larger on my Flickr page as well as a short video shot in 4k then cropped to 1080p.

https://www.flickr.com …7855833551/in/d​ateposted/ (external link)

I just showed your moon shot to my wife, she asked 2 very good questions I did not think of:

"Who is Gene", and..... "What is Gene's Place"?

The short video was nice :)


Charles
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navydoc
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Oct 22, 2017 14:23 |  #4680

Inspeqtor wrote in post #18478384 (external link)
I just showed your moon shot to my wife, she asked 2 very good questions I did not think of:

"Who is Gene", and..... "What is Gene's Place"?

The short video was nice :)

Well, I'm Gene and where I live is "My Place". :-)

Here's one more shot of the moon I took on the 30th and also enlarged 200%.

I hope it looks OK too.

http://www.ussoriskany​.us/moon/Times2.jpg (external link)


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The Official Shoot the Moon Thread
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