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astroavani last won the day on July 16

astroavani had the most liked content!

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About astroavani

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    Sub Dwarf

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    Canoas, Brazil
  1. Thanks for comments Michael and Rob!
  2. Following other posts, I am reprinting the image of Uranus that I made artificially colored, along with another that I tried to make as natural as possible (bottom left). In this IR 610 nanometer image I just piled on AS! 2 and gave the wavelets a slight tug with a 200% resize. Of course the original image was red and I converted it to black and white to make it more aesthetically pleasing. In this less processed image we can actually perceive what Uranus looks like, none of those artificial colors that are impossible to exist and with nuances of things that do not know what is real or artifact. Most experts agree that nowadays Uranus presents itself with almost no noteworthy activity, and that the only thing right is the lighter polar region relative to the rest of the planet, which can easily be seen in the black and white image. White. We then deduced that it would be virtually impossible to take anything large as it appears in the color image and that as such, most of those "nuances" are really just noise caused by over processing. https://www.astrobin.com/vrop86/
  3. A less processed photo, only Registax with 200% resize!
  4. Only 70 years old friend Daryl !!! You are still a young man. I already have my 60s and I still hope to be able to continue making my photos for another 20 or maybe 30 God willing. My sadness is that as Uranus in the coming decades will descend further and further north never in this life will I have him at good altitude to photograph. We planetarists know the importance for a good picture of a planet at a good altitude. We could only live in a spectacular seeing place.
  5. Photo that made me curious, I am wondering if using color camera with only one wavelength and without defeating long minutes can appear so many details of albedo. There were only 3400 stacked frames out of a total of 17,000 captured over 120 sec. If possible I am open to the opinion of colleagues who are really stains or artifacts caused by processing.
  6. Meu amigo, você pode até dizer que nunca dominou a imagem em fotografia, mas no desenho.... ohh meu Deus! Tem talento de sobra. Gostaria muito de além de saber fotografar também saber desenhar assim, simplesmente ficou admirável! Abraço!
  7. In those times when the main planets are already in a bad position to photograph, when the weather doesn't help either, we decide to check the old files that were lost on the hard drive and sometimes come across real jewels. I've done many photos of this region, but few have reached this definition! The sun at very low angle helps a lot to highlight the details on the surface which makes the photo even more detailed. A curiosity in this region is the Birt E crater. The Birt E crater was not created like most craters on the moon; There was no meteorite impact. Magma exploded in this pyroclastic opening in Mare Nubium over 3.4 billion years ago, scattering the lava on the surface and leaving the crater we see today. How can we say it is a volcanic opening and not an impact crater? Impact craters and volcanic openings can be differentiated because openings are often irregularly shaped or elongated (as in Birt E). Impact craters are usually circular in shape, created by the shockwave during an impact event. In addition, the V-shape of this crater is probably a product of the formation mechanism. V-shaped openings are thought to be formed from a pyroclastic eruption. Fractional gases out of liquid rock create violent events during eruptions. Explosive eruptions created the form we see today, but Birt E could have a complex history, with effusive eruptions forming Rima Birt, a stream that flows from Birt E to the southwest of the moon. At sufficiently long timescales, Birt E will be filled with freshly formed crater ejections around Mare Nubium or by mass crumbling of the crater walls. Let's enjoy this ancient crater today while we still can! Source: Lunar Networks Adaptation and text: Avani Soares https://www.astrobin.com/full/8i5n8d/0/?nc=user
  8. In a few years Saturn will be much more favorable to you in the northern hemisphere and will be very low for me. I have to enjoy it while I can!
  9. I also realized that colleague CraigT82 Grateful for the comment
  10. The months of July, August and September are always critical in southern Brazil. With the occurrence of El Nino, this year looks like it was even worse. Frequently cloudy skies, a lot of rain, including hail and Jet Stream always on high. Not only that, these are the months when I have the most professional appointments. All of this is very difficult to get acceptable photos, but some, like the attached photo can save and comes to bring some relief to my withdrawal depression of planets. https://www.astrobin.com/full/c6fwvg/0/?nc=user
  11. Finally a usable image where you see a lot of detail, yet with poor resolution in the rings and without a prominent C ring. Using the conversion tool of the Irfan software I left what it would look like if I had made an RGB capture.
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