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APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Sat Dec 28, 2019 5:07 am
by APOD Robot
A Distorted Sunrise Eclipse
Explanation: Yes, but have you ever seen a sunrise like this? Here, after initial cloudiness,
the Sun appeared to rise in two pieces and during partial eclipse, causing the photographer to describe it as the most stunning sunrise of his life. The dark circle near the top of the
atmospherically-reddened Sun is
the Moon -- but so is the dark peak just below it. This is because along the way, the
Earth's atmosphere had an
inversion layer of unusually warm air which acted like a
gigantic lens and created a
second image. For a normal sunrise or sunset, this rare phenomenon of
atmospheric optics is known as the
Etrucan vase effect. The
featured picture was captured two mornings ago from
Al Wakrah,
Qatar. Some observers in a narrow band of
Earth to the east were able to see a
full annular solar eclipse -- where the Moon appears completely surrounded by the background Sun in a
ring of fire. The next solar eclipse, also an annular eclipse, will occur in
2020 June.
Re: APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Sat Dec 28, 2019 1:30 pm
by fredex
typo in today's article:
known as the Etrucan vase effect.
Etruscan, not Etrucan.
thanks for doing the APOD, I faithfully read it every day!
Fred
Re: APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Sat Dec 28, 2019 1:46 pm
by Dan
Saw it originally a few days ago... it's such a great shot:
https://spaceweathergallery.com/indiv_u ... _id=158363
Re: APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Sat Dec 28, 2019 2:20 pm
by neufer
fredex wrote: ↑Sat Dec 28, 2019 1:30 pm
typo in today's article:
known as the Etrucan vase effect.
Etruscan, not Etrucan.
At least this time APOD correctly "
had an inversion layer of unusually warm air".
A decade ago the Etruscan vase was blamed on "
cold air trapped near the surface".
https://apod.nasa.gov/apod/ap090223.html wrote:
Explanation: What's happened to the Moon? Nothing, although from some locations, February's full moon, which occurred about two weeks ago, appeared strangely distorted as it rose. Visible in particular was a curiously inverted image section pinched off near the horizon, an effect dubbed the Etruscan vase by the pioneering science fiction writer Jules Verne for its familiar shape. This odd moon image piece was created by moonlight refracting through an atmospheric inversion layer on Earth where
cold air was trapped near the surface. Similar to the Sun's famous green flash, these effects arise when the Earth's atmosphere acts like a prism, sending different colors of light on slightly different paths. The above image mosaic has been horizontally compressed by computer to fit a standard screen.
Re: APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Sat Dec 28, 2019 2:30 pm
by Ann
viewtopic.php?p=298232#p298232
Congratulations, Elias Chasiotis, that is such a great shot!
Ann
Re: APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Sat Dec 28, 2019 3:42 pm
by orin stepanek
Re: APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Sat Dec 28, 2019 8:37 pm
by dlw
I too think it's an amazing picture and well composed with the ship!
But I must admit, at the risk of some ridicule (at my age of 76), what comes to my mind is it's a giant Sun bra.
Re: APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Sun Dec 29, 2019 9:39 am
by Elias Chasiotis
Thank you for your kind words, this was the most awesome sunrise i've ever seen. I feel very lucky that i was able to watch and photograph this crescent sun rising under favourable conditions for inferior mirage. I deepy desired that and that is why i chose the specific observing site, totally free of obstacles. I may lost the annular phase due to cloudiness, but the sunrise itself was magical. The crescent sun appeared deep red and bright like burning coal and the feeling was out of this world!
Re: APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Tue Jan 07, 2020 4:03 pm
by RJN
Re: APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Wed Jan 08, 2020 5:48 am
by Elias Chasiotis
I think the image became viral through APOD and i thank you very much for this!
Re: APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Thu Jan 09, 2020 7:39 am
by Elias Chasiotis
I am so happy that this image has drawn international attention, together with the APOD website. New articles are published every day:
https://abc7.com/science/eclipse-photo- ... t/5828439/
https://www.thesun.co.uk/news/10694515/ ... se-mirage/
Re: APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Thu Jan 09, 2020 7:39 am
by Elias Chasiotis
Re: APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Thu Jan 09, 2020 8:52 am
by Elias Chasiotis
Re: APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Fri Jan 10, 2020 5:34 am
by geckzilla
Nice, Elias!
Re: APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Mon Jan 13, 2020 4:33 am
by Elias Chasiotis
Thank you! Once more i would like to point out that if this image did not appear as an APOD, it wouldn't have become viral throughout the planet! I want to thank all the APOD team and Dr Robert Nemiroff personally for this.
Re: APOD: A Distorted Sunrise Eclipse (2019 Dec 28)
Posted: Thu Jun 10, 2021 10:57 pm
by RJN
An email from an expert in atmospheric optics correctly stated that no inversion layer was operating here. Rather, the optical effect was just caused by the warm air just above the sea. The air temperature was not inverted -- the higher one goes, the cooler the air. The text of the main NASA APOD has now been updated. I thank the emailer and apologize for the oversight.
