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Phone camera versus the Moon

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#1 PiotrM

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Posted 21 October 2021 - 05:08 PM

Wasn't planning any imaging tonight due to high wind speeds and bad weather but after some wind patches of open sky showed up so I've decided to quickly do some testing (had to check collimation on a star and align finderscope). And as the Moon was up was curious what "happens" when I hold a phone camera next to an eyepiece... scopes not cooled down, mount turned off and so on:

 

8" f/4 Newtonian:

https://www.youtube....h?v=d-9G5D6ujbo

 

14" f/19 DK

https://www.youtube....h?v=Hl4rwlAACp8

 

Digital signal processors on those phones are getting quite good... just mark the bright Moon and let it optimize settings. f/4 has a very short focus depth while f/19 is quite bad at defocusing stars - best way to just pull the eyepiece out few centimeters or more :D



#2 ECP M42

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Posted 22 October 2021 - 12:18 AM

Only three things:

 

1 - I really like your avatar picture! waytogo.gif  It touches a very deep focal point of modern photography.

 

2 - Why, "you telephone photographers" are not able to rotate your phone 90 ° during the shooting of the photo or even worse, of the video?

 

3 - Your result speaks for itself (for those who know how to listen). And it's not so much the quality of the phone's new sensors, but above all the fact that digiscoping can be much more effective than just "normal" photo shooting. 

 

Henry


Edited by ECP M42, 22 October 2021 - 12:19 AM.


#3 PiotrM

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Posted 22 October 2021 - 02:06 AM


2 - Why, "you telephone photographers" are not able to rotate your phone 90 ° during the shooting of the photo or even worse, of the video?

 

 

YouTube rendered as vertical ;)
 



#4 ECP M42

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Posted 22 October 2021 - 02:39 AM

That is, do you mean that you shot the video with your phone horizontally and those "idiots" of yuotube, on their own initiative, presented it vertically?

 

smirk.gif  It seems rather strange to me. The youtube video window is typically 16:9 horizontal (TV and Cine video standard) and even if you want it would be impossible for the user to orient the videos or images as desired. The platform reads (automatically) the metaadata of the original video (shooting data) and those are followed, unless otherwise specified.

 

The videos you have toured look very good, too bad it is not possible to view them correctly. If you have a processing software for your videos, you should be able to orient them in the right way, before uploading them to the youtube platform, or to crop them in 1:1 format, to avoid any misunderstanding. 

 

Henry 


Edited by ECP M42, 22 October 2021 - 02:40 AM.


#5 dcaponeii

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Posted 22 October 2021 - 06:49 AM

Yes all great now post in Lunar Observing and Imaging not Planetary.

#6 spereira

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Posted 22 October 2021 - 08:13 AM

Moving to Lunar Observing & Imaging.

 

smp




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