Starship Asterisk*

C/2020 F3 (NEOWISE) https://alfredomadrigal.com/wp-content/uploads/2020/07/procesado-v1-Editar-4-scaled.jpg Various details are appreciated. https://alfredomadrigal.com/deep-sky/c-2020-f3-neowise/ 1. The nucleus formed by dust, rock, ice and organic materials. 2. The "Coma" is the nebulous...

On March 3, 2017 was the last night in Iceland. After a night walk to a geothermal area, I went to my vehicle and instantly saw an unusual phenomenon, a beautiful Lunar corona. First I shot some shots with the wide angle that I had mounted in the camera, it seemed something dark but when doing brack...

[ENGLISH] (google translate) On November 19, 2017, a fireball exploded in Earth's atmosphere. A group of astrophotographers and astronomers were shooting the last shots of the night when suddenly .... zassss !! Leonida tremendous fireball crossed from east to west across the foot of the giant Orion....

[quote="alfredoxa"][ENGLISH] Lying in the snow observing the magnificent aurora borealis in front of the crater Grænavatn (Krýsuvík - Iceland). A crater maar type probably about 6000 years old. [SPANISH] Tumbado en la nieve observando las magníficas Auroras boreales frente al crater Grænav...

Hi Sergio, thanks for the clarification! I've already corrected it, by the way, awesome your APOD 2015! [ENGLISH] The lunar halo is an optical phenomenon in the form of a disk around the moon. The halo is caused by suspended ice particles in the troposphere that refract light and generate a spectrum...

[ENGLISH] The lunar crown is an optical phenomenon produced by the diffraction of disc-shaped light around the moon. The crown is caused by suspended ice particles in the troposphere that refract light and generate a spectrum of colors. In this case I was lucky that it was triple, an extremely rare ...

[ENGLISH] Jökulsárlón is Iceland's largest and most famous glacier lake. It is situated at the southern end of the Vatnajökull glacier, between the Skaftafell National Park and the town of Höfn. It appeared for the first time in 1934-1935 and in 1975 it went from 7.9 km² to the present 18 km², due t...

[English] I present a panoramic photograph of the last week in Iceland. The glacial lagoon of Jökulsárlón and the mountains Vatnajökull form the largest glacial of Europe in volume of ice and the second in extension. The Boreal auroras have a power of color with all green and violets were of a certa...

https://c1.staticflickr.com/4/3921/33302985155_994ec167fd_c.jpg Milky way and Northern lights by Alfredo Madrigal , en Flickr [English] I present a panoramic photograph of the last week in Iceland. At the same time you can see the Winter Milky Way, several arcs of Aurora Borealis and Venus reflecte...

Galaxia de Andrómeda (noche de año nuevo). La galaxia de Andrómeda, también conocida como Galaxia Espiral M31, Messier 31 o NGC 224, es una galaxia espiral gigante y que contiene aproximadamente un billón de estrellas. Es el objeto visible a simple vista más lejano de la Tierra. Está a 2,5 millones ...

Milky way across the sky and beach Panoramic photographs in 7 DSLR Nikon d610 stitched with Ptgui.In the foreground, resting and the Milky Way throughout the zenith to reach the other side of the beach. The river "das mestas" becomes estuary of Cedeira creating a stunning estuary and beac...

[ENGLISH] The famous Galician astrophotographer Oscar Blanco under the arch of the Milky Way in an area that will soon Starlight destination. The zodiacal light and the moon peeping and beautiful landscape of the "Terras de Trevinca" give the picture an added value by the team astrofografí...

[ENGLISH] Heart Nebula (IC 1805 and IC 1848) are two nebulae in the constellation Cassiopeia at 7500 light years away. Ionization source are the stars of young open cluster Melotte 15 (image center) located inside and have formed therein. These stars ionize the hydrogen and make the nebula shine wit...

Photography circumpolar taking the sunrise from the "Mirador de los Andenes" (La Palma), very close to the observatory "Roque de los Muchachos" where the world's largest optical telescope, the GTC (Grantecan) is located. In the background is "El Pinar de Garafía" and th...

Description: "In the municipality of A Veiga (Xares-Valdín) STARLIGHT next destination, the Milky Way is, late at night, in one of his best moments of observation, and to the south horizon, toward the galactic core, we find the constellations of Sagittarius and Scorpio, plagued with interesting...

Hi, Unlike nebulae represent the end of life of stars (as in the case of planetary nebulae for solar-type stars and supernova remnants for more massive stars or binary systems), emission nebulae (or HII regions ) represent the vast majority of nebulae to be found in our galaxy, and hydrogen are huge...

Venus and Júpiter conjunction. The "Penas de Rodas" are two huge granite stones, almost perfectly spherical, settling only on very small bases, which seem to be about to roll down, what impresses enough to approach them. The origin of this type of training is based on the biogeochemistry a...

Venus and Júpiter conjunction. The "Penas de Rodas" are two huge granite stones, almost perfectly spherical, settling only on very small bases, which seem to be about to roll down, what impresses enough to approach them. The origin of this type of training is based on the biogeochemistry ...

Dear Drs., I am an amateur astrophotographer from La Coruña, in NorthWestern Spain. This time I am sending you a picture from In Pau da Cruz da Vella is in the Serra do Buio, 702 meters high, and is considered landmark between the municipalities of Ferreira do Valadouro Cervo, Xove and Viveiro the f...