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  1. Galleries
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  4. » My second mineral Moon (bis)

 
My second mineral Moon (bis)...

Astrofotografia lunghe focali Can

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My second mineral Moon (bis) sent on September 27, 2018 (17:22) by Daniele Bonfiglio. 23 comments, 990 views.

1/250 ISO 100, tripod.

Canon 1300D al fuoco diretto di un telescopio Maksutov-Cassegrain 127/1500 con riduttore di focale 0,5x. Somma dei migliori 40 scatti su 100 con Autostakkert!2 (pre-elobarazione dei RAW con PIPP). Elaborazione finale con GIMP: un layer per aumento di saturazione (per ottenere la mineral moon) ed un altro per maschera di contrasto. In pratica ho seguito a grandi linee questo bel tutorial: http://blog.teleskop-express.it/come-fotografare-una-bellissima-mineral-moon/ Sono molto contento perché sto alzando l'asticella rispetto alle mie prime foto della Luna, anche se ho ancora molto da imparare!



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avatarsenior
sent on September 28, 2018 (11:25) | This comment has been automatically translated (show/hide original)

I think you have really exaggerated too much with the elaboration... :-(perhaps, instead of proceeding with only two coarse masks, it would have been better to proceed for very small adjustments with many masks...

avatarjunior
sent on September 28, 2018 (11:47) | This comment has been automatically translated (show/hide original)

Hello Slashleo, meanwhile thanks for the constructive criticism. When you say that I exaggerated with the processing you mean in pumping colors or details? If you mean colors, as I imagine, yes you're right I had seen other tutorials where they used so many levels for very small color adjustments... I for now for simplicity I used a single level (as in the tutorial I linked) but making many small increases in saturation... Maybe I exaggerated but in all honesty does not seem so extreme my elaboration... and anyway it is comparable as color saturation to that of the tutorial to which I was inspired (in which the moon is much more resolute but I believe it by making a mosaic of 7 portions of the moon! ). Anyway thanks for the advice that I will try to follow in my next experiments! Hello, Daniele

avatarsenior
sent on October 01, 2018 (7:46) | This comment has been automatically translated (show/hide original)

I meant the overall processing... Both the color saturation and the details; But come on, the next you know how to move and you will not commit the same mistakes!!! ;-) :-D

avatarjunior
sent on October 01, 2018 (9:22) | This comment has been automatically translated (show/hide original)

Thanks for the clarification Slashleo, of course the next time I realize not to use the Teleconverter: I will take the sleeping moon but I will have double the resolution so I can avoid pushing on the details. Then I'll also see that I'm more modest in color saturation... Even if I repeat, to my taste even the current result I do not mind honestly! ;-) :-P :-D Hello and soon, Daniele

avatarsenior
sent on October 01, 2018 (10:45) | This comment has been automatically translated (show/hide original)

I see very push the contrast mask for the colors is OK

avatarjunior
sent on October 01, 2018 (14:14) | This comment has been automatically translated (show/hide original)

Thanks a lot goldrake for the ride! What I could do is use the Registax wavelet (a program for stacking lunar/planetary images) instead of the rough GIMP mask. The Registax wavelets are a pretty powerful tool also because you can regulate the intensity of the filter in a different way for different spatial scales (from the scale of a single crater to the global one of the lunar disk). I'll try to use this tool instead of the GIMP's contrast mask to get a more natural effect. I will let you know the result! Hello, Daniele

avatarsenior
sent on October 01, 2018 (17:16) | This comment has been automatically translated (show/hide original)

I use those, in my gallery those you see I made with Autostakkert and registax for the mask

avatarjunior
sent on October 01, 2018 (22:17) | This comment has been automatically translated (show/hide original)

Thanks for the information goldrake, I will go to see your elaboration to take cue! Hello, Daniele

avatarjunior
sent on October 02, 2018 (13:32) | This comment has been automatically translated (show/hide original)

Quotas What I could do is to use the Registax wavelet (a program for stacking lunar/planetary images) instead of the rough GIMP Mask
is the most advisable :-) gimp and Photoshop you can use them for curves and greater Contrast/colors, but the sharpening that applies brings more noise and artifacts than anything else, even better than the registax sharpening I think there is that of autostakkert which I find really excellent (I prefer it also as stacker) on the 60 maximum 50% on the moon

avatarsenior
sent on October 02, 2018 (14:36) | This comment has been automatically translated (show/hide original)

that of autostakkert that I find really good (I prefer it also as stacker) on 60 maximum 50% on the Moon

I confirm it used once only because I was learning the software but I found it excellent as well as the drizzle function of Autostakkert is very high performance

avatarjunior
sent on October 02, 2018 (14:56) | This comment has been automatically translated (show/hide original)

Thank you so much for your suggestion Daomao and Goldrake, I had never tried the sharpened function of Autostakkert!
I made a version of my mineral moon using Autostakkert sharpening instead of GIMP's contrast masks. See here the result: HTTPS://PHOTOS.APP.GOO.GL/GNBMU6G2STTJHIZR7
say that compared to the original photo of this post, the new photo seems "less in focus" but also in fact less artificial... So I understood the lesson, do not exeggle with artificial sharpening and rather look for the best conditions in the shooting phase (precision in the focus of the tele, resume in the best seeing conditions possible)
Hello and thanks, Daniele

avatarjunior
sent on October 02, 2018 (14:58) | This comment has been automatically translated (show/hide original)

The autostakkert drizzle function is also very performand

thanks to the goldrake suggestion, but what does this feature do?

avatarjunior
sent on October 02, 2018 (15:52) | This comment has been automatically translated (show/hide original)

This second version I find a right compromise between detail and softness, if you are interested in the detail I suggest you go to other rooms and necessarily bet on the black and white
P. s the drizzle from what I know is an upscaler, but I think Photoshop and Photozooms are better at that

avatarsenior
sent on October 02, 2018 (17:17) | This comment has been automatically translated (show/hide original)

Drizzle is an algorithm created by NASA to increase the size of small objects photographed by Hubble is more than an upscaler:
en.wikipedia.org/wiki/Drizzle_ (image_processing)
Here I tried to use it along with Photoshop the image, It has been multiplied by 3x via Autostakkert and in Photoshop I have upscaled 300% to increase its resolution through a complicated process I had read, not bad:
[IMG]http://i67.tinypic.com/29qd3d4.jpg [/IMG]

avatarjunior
sent on October 02, 2018 (18:13) | This comment has been automatically translated (show/hide original)

Thanks guys for these additional comments, really in the constructive spirit of Juzaphoto! I posted the photo with "soft" sharpening via Autostakkert, in fact I agree it seems much more natural!
Here I tried to use it along with the image Photoshop, was multiplied by 3x via Autostakkert and in Photoshop I upscaled by 300% to increase the resolution through a complicated process that I had read, not bad

Not bad Indeed Goldrake! I'll try to experience the drizzle too! (I tried to launch a autostakkert with 3x drizzle but it is implanted! :-)
Hello, Daniele

avatarjunior
sent on October 02, 2018 (21:15) | This comment has been automatically translated (show/hide original)

Drizzle is an algorithm created by NASA to increase the size of small objects photographed by Hubble

Interesting I didn't know, but did they update it? I tried 3x on a small Mars that I had captured but the result was full of Artifacts strangely, now I don't have it in my hands unfortunately

avatarsenior
sent on October 03, 2018 (8:54) | This comment has been automatically translated (show/hide original)

Quotas Not bad indeed Goldrake! I'll try to experience the drizzle too! (I tried to launch a autostakkert with 3x drizzle but it's implanted! :-)

I think you eat a bunch of resources on your PC, I have an old PC 7 years ago but it's bodywork on a quad core and I have 16GB of RAM, I think it eats a lot of RAM

avatarjunior
sent on October 03, 2018 (9:33) | This comment has been automatically translated (show/hide original)

Quotas I think you eat a ton of resources on your PC, I have an old PC 7 years ago but it is bushed work on a quad core and I have 16GB of RAM, I think I eat a lot of RAM

Eh I have a 2 core (4 threads) with 8 GB of RAM. Even without using the drizzle I see that autostakkert consumes me all the memory if I use photos from more than 2000x2000 resolution. Therefore what I do is usually take the RAW photos at full resolution of the reflex and with Pipp Cropparle (or to heat them if I do not use the Teleconverter) to 1980x1980 producing TIF 16 bit that Autostakkert is eaten well.

avatarsenior
sent on October 03, 2018 (9:40) | This comment has been automatically translated (show/hide original)

Right I prefer cropparle that heat them so as not to touch the initial detail

avatarjunior
sent on October 03, 2018 (9:47) | This comment has been automatically translated (show/hide original)

I prefer cropparle than warm them up so as not to touch the initial detail

I agree with you, but if I don't use the gearbox then I have an equivalent focal length of 2400 mm and the full moon is sleeping inside the APS-C sensor! So I'm forced to reheat the photos with Pipp otherwise autostakkert does not turn


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