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💫NGC 3532





The MPG/ESO 2.2-metre telescope at La Silla Observatory in Chile captured this richly colourful view of the bright star cluster NGC 3532. Some of the stars still shine with a hot bluish colour, but many of the more massive ones have become red giants and glow with a rich orange hue.

Credit:     ESO / G. Beccari


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💫NGC 7049


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The Hubble Space Telescope captured this image of NGC 7049 in the constellation of Indus, in the southern sky. A family of globular clusters appears as glittering spots dusted around the galaxy halo.



Astronomers study the globular clusters in NGC 7049 to learn more about its formation and evolution. The dust lanes, which appear as a lacy web, are dramatically backlit by the millions of stars in the halo of NGC 7049.

Credit: NASA / ESA / W. Harris (McMaster University, Ontario, Canada)


💫Lights at the OSF





A thin layer of clouds moves above the Operations Support Facility (OSF) at night. In the foreground, a European ALMA antenna with 12-metres in diameter, while in the background the lights of San Pedro de Atacama tint the clouds with an orange colour tone.

Credit:     S. Otarola/ESO


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💫The globular cluster Messier 5


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The globular cluster Messier 5, shown here in this Hubble Space Telescope image, is one of the oldest belonging to the Milky Way. The majority of its stars formed more than 12 billion years ago, but there are some unexpected newcomers on the scene, adding some vitality to this aging population. Stars in globular clusters form in the same stellar nursery and grow old together. The most massive stars age quickly, exhausting their fuel supply in less than a million years, and end their lives in spectacular supernovae explosions. This process should have left the ancient cluster Messier 5 with only old, low-mass stars, which, as they have aged and cooled, have become red giants, while the oldest stars have evolved even further into blue horizontal branch stars.



Yet astronomers have spotted many young, blue stars in this cluster, hiding amongst the much more luminous ancient stars. Astronomers think that these laggard youngsters, called blue stragglers, were created either by stellar collisions or by the transfer of mass between binary stars. Such events are easy to imagine in densely populated globular clusters, in which up to a few million stars are tightly packed together. Messier 5 lies at a distance of about 25 000 light-years in the constellation of Serpens. This image was taken with Wide Field Channel of Hubble’s Advanced Camera for Surveys. The field of view is about 2.6 arcminutes across.

Credit: ESA / Hubble / NASA


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💫Horsehead Nebula & Co. in Orion Constellation


Lainate, 28 Ottobre 2019
Un'altra immagine ripresa due notti fa (contemporaneamente all'immagine in h-alpha già pubblicata).
Solo 75 minuti di integrazione prima che facesse giorno.
Another image acquired two night ago (simultaneous with h-alpha image already posted). Only 75 minutes of integration before daylight.
15x300" binning1 - Optolong L-eNhance Filter
Tecnosky Apo Triplet 80/480 rid. 0.80x f/4.8
Color Camera QHY 183c
Mini-guide Artesky 50/160 - Asi 290mm Mini - iOptron CEM60

💫VdB 142 Elephant Trunk - Dark nebula in IC1396 - Cepheus Constellation.


Lainate 30 Ottobre 2019
Una nuova versione, con diversa calibrazione colori,  dell'immagine ripresa il 25 Ottobre.
A new version, with a different colors calibration, of the image  acquired on  25th October.
36x300" binning1 - Optolong L-eNhance Filter
Tecnosky 80/480 rid. 0.80x f/4.8 - Color Camera QHY183c
Mini-guide Artesky 50/160 - Asi 290mm Mini - iOptron CEM60







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