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  1. Galleries
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  3. Astrophotography
  4. » Stars in Heaven and on Heart

 
Stars in Heaven and on Heart...

Guided By The Stars

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Stars in Heaven and on Heart sent on August 16, 2015 (22:10) by Leonardo670sv. 11 comments, 2053 views.

, 15 sec f/2.8, ISO 3200, tripod.

Uno scatto dell'altra settimana, dopo un bel po' che non tornavo a scattare! Non è stato semplice realizzare la foto: sono serviti due scatti per il primo piano entrambi da 20 minuti l'uno a ISO1600 e f/13 per aver più pdc possibile ed evitare possibili pasticci successivamente con Photoshop! L'unico problema (che non mi è ancora andato giù) è la quantità di hot pixel che c'è nello scatto, assai rilevante se si guarda ad una dimensione modesta! Ho cercato di eliminarne un po', però buona parte sono rimasti e non ho potuto farci niente; purtroppo era buio totale! Ovviamente è servito pure un altro scatto per la via lattea coi soliti settaggi f/2.8, ISO3200 e 15"!



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avatarsupporter
sent on August 16, 2015 (22:20) | This comment has been automatically translated (show/hide original)

Meraviglia..come a few.
Really perfect in every way. :)

avatarsenior
sent on August 16, 2015 (22:21) | This comment has been automatically translated (show/hide original)

Very nice !!!

avatarsupporter
sent on August 16, 2015 (22:23) | This comment has been automatically translated (show/hide original)

Not bad

avatarsenior
sent on August 16, 2015 (22:26) | This comment has been automatically translated (show/hide original)

I would have used another approach, the focus stacking:
-via Milky ok
-A Photo with mountains in the background and trees in the background
-A Photo on the first floor

Everything f / 2.8 or slightly higher (though not enough depth of field please make other picture). And then combine it all with software on purpose (as HeliconFocus)

Results have a shot shorter and therefore less Hot Pixel. Also I recommend using the noise reduction function or do the Dark Frame to reduce Hot Pixel on long exposures.

Still great shot, something sought. The post highlights very well the Milky Way, but the first floor is a bit 'mixed (because of the distortion at the edge of the pdc, noise reduction, perhaps even diffrazion)

avatarsenior
sent on August 16, 2015 (22:29) | This comment has been automatically translated (show/hide original)

ITA night, stunning realization, beautiful atmosphere that you captured, great PDR that gives an image very well composed, great work Frs. ;)
Good photos! ;)
By Fabio

avatarsenior
sent on August 17, 2015 (1:59) | This comment has been automatically translated (show/hide original)

Hello Leonardo, if I give you my humble opinion without wanting to teach anything to anyone, you have a bit exaggerated with the sky in 3200. ... ;-) fact whites are too burned ... settings for the part of the sky with the focus could be ISO 800 @ f / 4 and 30 "without getting to this blurring of the stars because the first floor is static and to avoid thermal noise (more raise the ISO and more warms the sensor) settings could be set differently while maintaining the depth of field, it is said that by closing to f / 15 will get more, indeed, this is the reason of your problems ... the picture you made the dark so in this case the parameters could be ISO 800 (not to pull the neck to the sensor, ricordantoti that do not have a room cooled) f / 5 to guarantee a depth; field enough and a long exposure up to 7/8 minutes referring everything to the next PP. Regarding the assembly, you should have: process the first picture of the sky in its own right, then do the same thing on the first floor, keeping in mind that PS is a very powerful tool, and then acting on the curves of exposure, luminance color etc. (without resort to masks or layers, if you prefer), and get what you've got using those fateful 20 minutes at 3,200 ISO f / 15, thus avoiding the need for thermal noise, unfortunately Photoshop does the removal of hot pixels and cold with dark, flat and bias as it is not a program astrofotografico. Once processed independently of the two photos, you would have assembled in command script and at the end it was enough to have a general check your picture like this, without the two problems you had. Normally whenshooting with extreme light, we must not stop at the usual two or three frames, but make it different with different values ??for a range as wide as possible in order to choose the best frame to be able to work on.

Regarding the photo, a total is a beautiful scene, good idea to take the flowery field at ground level with the background of the starry sky and the skyline of the mountains ;-) Come on, you can always do it again, the passion will not miss it ;-) Greetings, Beppe :-)

avatarsenior
sent on August 17, 2015 (8:04) | This comment has been automatically translated (show/hide original)

Very nice!

avatarsupporter
sent on August 17, 2015 (12:36) | This comment has been automatically translated (show/hide original)

So, first of all thank you all! I appreciate very much your comments, criticisms and compliments of all, really nice.
With a bit 'of calm, in order to answer all:
-Bernalor Probably was my fault, in the description I have not explained very well .. The approach has been the focus stacking, because the two shots of 20 min each had one for the flowers in the foreground, the other for the mountains and the last part of the lawn! :) Also I had initially thought about using a larger aperture to contain the times .. But then when I saw the depth that I obtained with that opening, I realized that it would take like 10-15 shots and being all dark I could do well to establish, especially in the most distant, where I was losing the focus point! For que3B to have a shot better quality!

Thanks again to all, Leonardo

avatarsenior
sent on August 17, 2015 (13:26) | This comment has been automatically translated (show/hide original)

It is a type of shot that I would like to try in the future, then I thank you for exposing your difficulties (which I too ;-)) so I can prepare in advance 8-)
The focus Stacking can make many pictures (without fear of exaggeration) and stitch them together later (I speak with special software like Helicon Focus). I made a macro driven with 117 photos, but I do not guarantee a good result with the landscapes but in theory it should work the same way. I'll try;) Click the photo closer and then move the ring of focus with each shot of little (and always about the same amount). At the bottom of the FS it is also used in macros for not having a diaphragm too closed.

Thank you, too Beppe Reda, I found some interesting ideas from your commento.
not want to teach anyone anything
failed mission: -D

avatarsenior
sent on August 17, 2015 (17:12) | This comment has been automatically translated (show/hide original)

Thank you, too Beppe Reda, I found some interesting ideas from your comment. "Inadvertently teach anyone anything" mission failed MrGreen


Bernalor dear, I think it is fortunate that there are around geniuses like you, humbly admit that they belong to the ranks of those who have fallen behind to pure craftsmanship and old tricks, about my "failures! you are referring to are those that have made me grow and are very poor compared to what your irrepressible arrogance. Verba volant, scripta manent.

Excuse Leonardo OT on your page, but my parents taught me good manners.

user1735
avatar
sent on July 13, 2017 (16:57) | This comment has been automatically translated (show/hide original)

I've seen your galleries. Congratulations and not just for the technique !!


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