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Posts by Simone Tranquilli

The Moon seen from the Integrity spacecraft during the Artemis  2 mission

The Moon seen from the Integrity spacecraft during the Artemis 2 mission

Farther than anyone else.

#moon #artemis #artemis2 #space

20 hours ago 1 0 0 0
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Jupiter, 26 december 2024 Back, after a long pause, with some images of Io transiting on Jupiter. During the imaging session (~ 20:40 UT / ~ 22:30 UT), switching between mono and RGB at different magnifications did allow to sh...

Jupiter, 26 december 2024

Back, after a long pause, with some images of Io transiting on Jupiter.

To see the full album and read the descriptions of each images, follow the link below.

www.localvoid.net/2025/09/14/j...

#astronomy #astrophotography #jupiter #planet

6 months ago 25 3 0 1
The full solar disk in O-III light, 26 december 2024. Mono image. To read about the technical details and see the RGB and annotated versions, follow the link in the post.

The full solar disk in O-III light, 26 december 2024. Mono image. To read about the technical details and see the RGB and annotated versions, follow the link in the post.

The full solar disk in Ca-K light, 26 december 2024. Mono image. To read about the technical details and see the RGB and annotated versions, follow the link in the post.

The full solar disk in Ca-K light, 26 december 2024. Mono image. To read about the technical details and see the RGB and annotated versions, follow the link in the post.

The full solar disk in H-Alpha light, 26 december 2024. Mono image. To read about the technical details and see the RGB and annotated versions, follow the link in the post.

The full solar disk in H-Alpha light, 26 december 2024. Mono image. To read about the technical details and see the RGB and annotated versions, follow the link in the post.

The entire solar disk imaged in 3 wavelengths: O-III, Ca-K and H-Alpha.
All the 3 images are the result of a stitching process.
To see the full res, annotated images and technical details, follow the link .

#astronomy #astrophotography #sun #halpha #oiii #cak

www.localvoid.net/2025/05/18/s...

10 months ago 21 0 0 0
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Solar active regions (H-Alpha), 26 december 2024 Around the center of the solar disk, the large, arc shaped filament between AR 3932, AR 3933, AR 3928 and AR 3927 it's still clearly visible: same for the plages around them. This area has been imaged...

Twelve images in total (six in mono color space and their colorized versions).
For full quality images and technical details, follow the link below:

www.localvoid.net/2025/05/12/s...

#astronomy #astrophotography #sun #halpha #sunspot

10 months ago 13 1 0 0
RGB image of Jupiter and the four Galilean Moons. From left to right: Europa, Io, Ganymede, Callisto.

RGB image of Jupiter and the four Galilean Moons. From left to right: Europa, Io, Ganymede, Callisto.

Annotated RGB image with Jupiter and the four Galilean moons

Annotated RGB image with Jupiter and the four Galilean moons

The planet Jupiter showing its clouds, bands and the Great Red Spot. Orbiting around it Europa and Io. Mono image.

The planet Jupiter showing its clouds, bands and the Great Red Spot. Orbiting around it Europa and Io. Mono image.

Another family portrait of Jupiter and its Galilean Moons.
After a long time I got a nice view of the GRS and the cloud structures around it.

For full res images and details follow the link below:

www.localvoid.net/2025/05/02/j...

#astronomy #astrophotography #jupiter #planet #solarsystem

11 months ago 23 2 0 0
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Solar mosaics in different wavelengths. Experimenting with filters. 25 december 2024 Three images of the solar disk, acquired using three different filters: O-III, Ca-K and the solar ERF, mainly used with the H-Alpha Quark. The idea was to compare the results with the simple white lig...

A test to compare the results for improvements in contrast and details of sunspots and faculae.
In addition, an image of some of the main active regions on those days.
Follow the link below to see the technical details.

www.localvoid.net/2025/04/20/s...

#astronomy #astrophotography #sun #sunspot

11 months ago 18 3 0 0
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The Sun in H-Alpha light, 25 december 2024 Six images of the Sun in H-Alpha. During that session, the solar limb didn't show any relevant prominences, so all the data was focused on the active regions. Among them, a nice and large filament flo...

Six images of the Sun in H-Alpha.
During that session, the solar limb didn’t show any relevant prominences, so all the data was focused on the active regions.
Follow the link for the full res images and details.

www.localvoid.net/2025/04/13/t...

#astronomy #astrophotographpy #sun #halpha #sunspot

11 months ago 11 1 0 0
Annotated image with the names of the Galilean Moons

Annotated image with the names of the Galilean Moons

Jupiter and the Galilean Moons (mono image)

Jupiter and the Galilean Moons (mono image)

Jupiter and the Galilean Moons (RGB image)

Jupiter and the Galilean Moons (RGB image)

Jupiter and Io

Jupiter and Io

Three images of Jupiter, both mono and RGB. Full opensource image processing, with PixInsight replaced by LuckyStackWorker and GIMP. Details in the link below.

www.localvoid.net/2025/04/06/j...

#astronomy #astrophotography #jupiter #opensource

1 year ago 28 2 0 0
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The Sun in H-Alpha light, 24 december 2024 Following the O-III and Ca-K images of the Sun, a series of images in H-Alpha light. Since the introduction of the new equipment, an overall improvement can be appreciated in every image: a better sam...

Following the O-III and Ca-K images of the Sun, a series of images in H-Alpha light on the first day of the past winter session.

www.localvoid.net/2025/03/29/t...

#sun #halpha #prominence #sunspot

1 year ago 7 1 0 0
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The Sun, Ca-K and O-III light, 24 december 2024 First imaging session after a long pause, introducing some new equipment: mono camera (Apollo - M), electronic focuser (ToupTek AAF) and new refractor (Tecnosky Planet 102 f/11 ED). This session was a...

First imaging session after a long pause, introducing some new equipment: mono camera , electronic focuser and new refractor.

#astronomy #astrophotography #sun #oiii #cak #sunspot

www.localvoid.net/2025/03/25/t...

1 year ago 15 2 0 0
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Thank you! I always have some problems processing that kind of images, specially if details of the solar disk are still visible and I try to keep both in the final image. This session has been really exhausting for me, due the bad quality of the weather and then the SER files.

1 year ago 1 0 1 0
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The Sun in H-Alpha light , 31 august 2024. Last session in august 2024, before a long pause until december. The weather conditions were not optimal: the processing of each file did require some extra (and "painful") work, specially to highligh...

Last session in august 2024, before a long pause until december.

To see the full set of images follow the link

www.localvoid.net/2025/03/23/t...

#astronomy #astrophotography #sun #halpha

1 year ago 13 1 3 0
Full view of the waning crescent

Full view of the waning crescent

The large crater Schickard at the terminator

The large crater Schickard at the terminator

The Grimaldi basin. CLose to it the  Hevelius and Cavalerius craters

The Grimaldi basin. CLose to it the Hevelius and Cavalerius craters

Last images of the Moon for the month of august 2024, just before the sunlight started to fill the sky.

Details and full resolution images following this link to the album

www.localvoid.net/2025/03/10/w...

#astronomy #astrophotography #moon

1 year ago 26 2 0 0

😂

1 year ago 0 0 0 0
Full view of Jupiter and the four galilean moons.

Full view of Jupiter and the four galilean moons.

Annotated image with the names of the galilean moons

Annotated image with the names of the galilean moons

Jupiter, Europa, Io and Ganymede

Jupiter, Europa, Io and Ganymede

Jupiter, Io and Ganymede

Jupiter, Io and Ganymede

Jupiter, 31 august 2024

Three images of Jupiter and the galilean moons.

For the acquisition details and the full resolution images follow the link:

www.localvoid.net/2025/03/08/j...

#astronomy #astrophotography #planet #jupiter

1 year ago 16 2 0 0
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Waning crescent Moon, 30 august 2024 Two images of the Moon, acquired in the early morning, just before to set up the H-Alpha equipment to image the Sun. In the first one, the complete thin waning crescent. Among the main features, the O...

Two images of the Moon, acquired in the early morning, just before to set up the H-Alpha equipment to image the Sun.

To see the full resolution images follow the link:

www.localvoid.net/2025/03/01/w...

#astronomy #astrophotography #moon

1 year ago 5 1 0 0
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Sun in H-Alpha light, 30 august 2024. Full disk Two more images from the recording session on 30 august. Each image is a mosaic composed by two panels. The Ha filter was set up to be off-band around the 656.28 nm wavelength, on the +5 and -5 Å. win...

Two more images from the recording session on 30 august.
Each image is a mosaic composed by two panels.

www.localvoid.net/2025/02/23/s...

#astronomy #astrophotography #sun #halpha #sunspot

1 year ago 11 1 0 0
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1 year ago 8 2 0 0
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The Sun in H-Alpha light, 30 august 2024 On that day, the main feature was a series of some prominences, mostly on the western solar limb where, looking at the biggest ones, pareidolia could show a gazelle, a tree and a crab. AR 3807 was pla...

The Sun in H-Alpha light, 30 august 2024.

On that day, the main feature was a series of some prominences on the western solar limb.

Follow the link below to see the full resolution images:

www.localvoid.net/2025/02/15/a...

#astronomy #astrophotography #sun #halpha

1 year ago 17 2 0 0
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The Sun in H-Alpha light, 29 august 2024 To see the images in full resolution and their acquisition details click on the link to the album . A view of some nice features on the solar chromosphere. The last days of august 2024 were quite clou...

A view of some nice features on the solar chromosphere. The last days of august 2024 were quite cloudy and the seeing was probably not the best. The results are not amazing, but still nice.

www.localvoid.net/2025/02/09/a...

#astronomy #astrophotography #sun #halpha

1 year ago 23 1 0 0
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The Sun in H-alpha light, 28 august 2024.

Three prominences and some views of the active regions 3799 and 3800.

Follow this link to the gallery to see the images in full resolution and read the complete descriptions .

www.localvoid.net/2025/02/05/a...

#astronomy #astrophotography #sun #halpha

1 year ago 26 0 0 0
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This is what Jupiter looks like in infrared.

Furious and vengeful.

1 year ago 496 76 15 10
Northern shores of Mare Imbrium: Plato crateron the North, Cassini on the South. Between them, Vallis Alpes. Inside Mare Imbrium, Montes Tenerife, Monst Pico and Mons Piton.

Northern shores of Mare Imbrium: Plato crateron the North, Cassini on the South. Between them, Vallis Alpes. Inside Mare Imbrium, Montes Tenerife, Monst Pico and Mons Piton.

Annotated image with the names of the main structures.

Annotated image with the names of the main structures.

Plato, Vallis Alpes, Cassini - 26 august 2024.
Stack of the best 1000 frames out of 10000

astrob.in/0js1ey/0/

telescopius.com/pictures/vie...

#astronomy #astrophotography #moon

1 year ago 20 2 0 0
One of  the main craters in  the southern quadrant of the Moon: Clavius.
Longomontanus, Maginus and a partial, but still fascinating,  Tycho are above it, while the smaller Scheiner and Blancanus on its south western side.
On the south, Gruemberger and the last clearly visible crater: Moretus. Then the Terminator where the lunar South Pole hides.

One of the main craters in the southern quadrant of the Moon: Clavius. Longomontanus, Maginus and a partial, but still fascinating, Tycho are above it, while the smaller Scheiner and Blancanus on its south western side. On the south, Gruemberger and the last clearly visible crater: Moretus. Then the Terminator where the lunar South Pole hides.

Annotated image with the names of the main craters.

Annotated image with the names of the main craters.


Close to the lunar South Pole - Clavius, 26 august 2024
One of the main craters in the southern quadrant of the Moon: Clavius.

astrob.in/jp6imn/0/

telescopius.com/pictures/vie...

#astronomy #astrophotography #moon

1 year ago 20 0 0 0
A view of the craters on the eastern / south eastern shores of Mare Nubium. 
Among them, some of the main ones: Ptolemaeus, Albategnius and the smaller Klein:  above them, the  Herschel crater and, not entirely visible, Hipparchus.
Moving to the south: Alphonsus, Arzachel and between them another small but interesting crater: Alpetragius. Purbach, Regiomontanus and finally Walther.

A view of the craters on the eastern / south eastern shores of Mare Nubium. Among them, some of the main ones: Ptolemaeus, Albategnius and the smaller Klein: above them, the Herschel crater and, not entirely visible, Hipparchus. Moving to the south: Alphonsus, Arzachel and between them another small but interesting crater: Alpetragius. Purbach, Regiomontanus and finally Walther.

Annotated image with the names of the main craters.

Annotated image with the names of the main craters.

Craters on the eastern shores of Mare Nubium, 26 august 2024.

Stack of the best 2000 frames out of 10000

astrob.in/65024j/0/

telescopius.com/pictures/vie...

#astronomy #astrophotography #moon

1 year ago 13 0 0 0
The Copernicus crater on the Moon. To the north, the Montes Carpatus, to the NE, the Eratosthenes crater

The Copernicus crater on the Moon. To the north, the Montes Carpatus, to the NE, the Eratosthenes crater

Annotated image with the names of the main subjects: Copernicus, Monte carpatus, Eratosthenes.

Annotated image with the names of the main subjects: Copernicus, Monte carpatus, Eratosthenes.

Copernicus, Eratosthenes and Montes Carpatus, 26 august 2024.

astrob.in/1dq14m/0/

telescopius.com/pictures/vie...

Stack of the best 2000 frames out of 10000

#astronomy #astrophotography #moon

1 year ago 18 1 0 0

I always put links to better quality images and details to my Astrobin and Telescopius accounts. sometimes It's difficult to write all here :)

1 year ago 1 0 0 0
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Here the details :)

Telescope: TS-Optics 102mm f/7 FPL53 Triplet Apo
Camera: ZWO ASI585MC
Mount: Sky-Watcher AZ-EQ6 PRO
Filter: Tecnosky IR Pass 685nm 1.25"
Accessories: GSO 35 mm extension tube

Software:
- FireCapture, PlanetarySystemStacker, Pixinsight
- Operating system: Debian GNU/Linux 12

1 year ago 0 0 1 0
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World's darkest and clearest skies at risk from industrial megaproject On December 24th, AES Andes, a subsidiary of the US power company AES Corporation, submitted a project for a massive industrial complex for environmental impact assessment. This complex threatens the pristine skies above ESO’s Paranal Observatory in Chile’s Atacama Desert, the darkest and clearest of any astronomical observatory in the world [1]. The industrial megaproject is planned to be located just 5 to 11 kilometres from telescopes at Paranal, which would cause irreparable damage to astronomical observations, in particular due to light pollution emitted throughout the project’s operational life. Relocating the complex would save one of Earth's last truly pristine dark skies.

The skies above Paranal are at risk from a proposed industrial megaproject. 

This would be located in the vicinity of ESO's Observatory. If constructed, it would irreparably impact astronomical observations.

Read more: https://www.eso.org/public/news/eso2501/
🔭 

📷 ESO/P. Horálek

1 year ago 242 184 6 28
A view of Mare Frigoris, Mare Imbrium and other main structures of the moon, like the Copernicus crater

A view of Mare Frigoris, Mare Imbrium and other main structures of the moon, like the Copernicus crater

Mare Frigoris, Mare Imbrium, Copernicus - 26 august 2024

astrob.in/qd0vov/0/

telescopius.com/pictures/vie...

Stack of the best 2000 frames out of 10000

#astronomy #astrophotography #moon

1 year ago 51 4 1 0