L22 - Aristarchus Plateau
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L22 - Aristarchus Plateau
L22 - Aristarchus Plateau - Mysterious elevated region covered with pyroclastics 26,0N 51,0 W
I think that at that time of the championship I already photographed almost all the objects on the lunar list of my good friend Chuck Wood (https://en.wikipedia.org/wiki/Lunar_100). To be honest, I never bothered to stick to the list, I just take pictures of places that I find interesting, but it would be an extremely interesting project to meet all 100 high resolution goals with amateur equipment.
Anyone who looks at this photo and sees the beauty of Plateau Aristarchus next to the two craters that accompany it, does not even notice the Herodotus Omega dome, in fact most of us put the observation of the deep sky on hold when the lunar glow intrudes on the dark skies. But why, instead of limiting your telescope, don't take the opportunity to observe the Moon itself? The crescent moon phase is a good time to become familiar with one of the most evocative features of our satellite: its domes.
Many of the Moon's characteristic landscapes were created by impact. Craters, rays, mountain ranges, seas and basins abound. The lunar domes are different. They formed as a result of the Moon's own internal volcanism. Similar to shield volcanoes in Iceland and Hawaii (including Mauna Kea on the Big Island) in addition to Olympus Mons on Mars, they form when highly fluid lavas spring through a central caldera in the surface. They are almost all of low explosiveness, unlike their cousins, the most violent terrestrial stratovolcanoes that occupy the headlines.
Like a leaf stacked after another, after the lava flows under the crust, a dome slowly builds up over time, forming a wide and gently tilted mound like a warrior shield with a high center and a lower edge. Shield volcanoes can be small, like Icelandic and lunar varieties, or wide and huge, like Olympus Mons. A typical lunar dome measures between 5 and 7.5 miles (8-12 km) in diameter with a peak or caldera ~ 900 feet (~ 300 meters) in height. The slopes are very smooth with just a few degrees.
More than 300 lunar domes are known, many visible on amateur telescopes with 3-inch openings upwards. There are two key requirements for good dome observation - good atmospheric stability (seeing) and observing the dome near the terminator shortly after the lunar sunrise or before sunset as was done in this photo with Herodotus Omega.
Most domes are subtle, low-contrast features that become sizzling with poor seeing. Low light, produces long shadows on the peaks and edges of the craters, and makes their gently tilted shapes have the best contrast. You will be more excited when you can see the boiler. When you see the dome hole, you really see a dome for what it is: a volcano previously active on the days when the moon still had intense geological activity.
About 60 km southwest of the Herodotus Crater at the Oceanus Procellarum it is easy to find Herodotus Omega. A dome 6 miles wide (10 km) covered by a boiler on the summit, visible in good view even with a modest telescope using high power.
The next time you go to watch the Moon near the end, don't forget to pay attention to these rounded shapes that easily stand out in relation to the surrounding terrain, be sure to remember that the Moon once had its volcanoes active and even today it is far of being the dead world that many believe.
Source: Lunar 100 - Chuck Woods
Sky and Telescope - A short guide to lunar domes - Bob King
Wikipedia - Lunar Dome
Adaptation and text: Avani Soares
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Re: L22 - Aristarchus Plateau
I am becoming more of a lunar guy lately, there's so much detail to see. Not to mention the LP keeps pushing me that way also.
That picture is mind blowing, looks like it was taken from orbit.
That picture is mind blowing, looks like it was taken from orbit.
Clear Skies,
-Jeff
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Re: L22 - Aristarchus Plateau
details are dazzling , thx
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Re: L22 - Aristarchus Plateau
I came, somewhat grudgingly, to that conclusion myself awhile ago. Now I look forward to some moon time, although deep sky observing is still my favorite.astroavani wrote: ↑Thu May 13, 2021 12:44 am [...] most of us put the observation of the deep sky on hold when the lunar glow intrudes on the dark skies. But why, instead of limiting your telescope, don't take the opportunity to observe the Moon itself? The crescent moon phase is a good time [...]
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Re: L22 - Aristarchus Plateau
A breathtaking panorama illustrating the Moon volcanology!!!
Thank you for sharing,
JG
Thank you for sharing,
JG
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Re: L22 - Aristarchus Plateau
Hello Avani. Yet another great lunar image from you and this time from the Aristarchus Plateau. And you quote from my lunar hero Charles A. Wood. I own and use all of his books for lunar references. Your capture is like looking from a space capsule down to the surface of the Selene. Thanks for sharing your latest work with us Avani, and keep looking up.
Marshall
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Re: L22 - Aristarchus Plateau
Fantastic image and I really appreciate your added information. Thanks very much
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Re: L22 - Aristarchus Plateau
I appreciate all comments!
Unfortunately due to professional commitments and also the pandemic, I have kept a little distance from my favorite hobby, which is astrophotography. At that time, the skies did not collaborate much in the region where I live.
I hope to soon be able to post more work for the appreciation of colleagues.
Clean skies!
Unfortunately due to professional commitments and also the pandemic, I have kept a little distance from my favorite hobby, which is astrophotography. At that time, the skies did not collaborate much in the region where I live.
I hope to soon be able to post more work for the appreciation of colleagues.
Clean skies!
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Re: L22 - Aristarchus Plateau
Quality!
Regards
Graeme
Regards
Graeme
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Re: L22 - Aristarchus Plateau
Congratulations Avani on having your image selected as todays TSS APOD .
app.php/article/5-18-2021-tss-astrophot ... of-the-day
app.php/article/5-18-2021-tss-astrophot ... of-the-day
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Re: L22 - Aristarchus Plateau
Great image of Aristarchus - congrats on winning the APOD for today Avani!
-Michael
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Re: L22 - Aristarchus Plateau
Excellent Avani! And Congrats on the APOD !
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Re: L22 - Aristarchus Plateau
Perfect tones and a wonderful play of light and shadows. Thank you, Avani, for sharing!
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