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International Association of Astronomical Artists
@iaaa.org
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The International Association of Astronomical Artists is a non-profit organization whose members implement & participate in astro & space art projects, promote education about space art & foster international cooperation in artistic work.

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International Association of Astronomical Artists @iaaa.org · Dec 15
The International Association of Astronomical Artists is the only global organisation for space artists, and those who love space art.

Find out more here:
iaaa.org

And take a look at all the spectacular astronomical art hen you visit!
International Association of Astronomical Artists - Home
iaaa.org
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elkement.art
#ArtAdventCalendar Day 6

Number 2 of the series Circles to Circles, 2025
featuring stereographic projection.

But I also see a friendly Death Star with a red hatch :)

Watercolor pencils, traditional descriptive geometry (axonometry) - ruler and compass on A5-sized paper.

#SciArt #MathArt
Geometric watercolor pencil drawing: Orthographic projection of stereographic projection - a circle on the sphere is projected onto a circle in the equatorial plane. The projection rays form an elliptical cone having its tip at the North Pole. Part of a series of 6six drawings - six differently positioned circles, six different viewpoints. Created and copyright by elkement 2025.
December 6, 2025 at 3:44 PM
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emmascottjewellery.com
Day 6 #ArtAdventCalendar

Stormsailor. Tiny silver viking ship on a lapis lazuli sea with silver waves, moon, and star with blue diamond and opal accent stones.

#Art #artyear #artjewellery #artisan #handcrafted #handmadejewellery
Stormsailor. Silver viking ship on a large blue lapis lazuli sea, with silver swirling waves silver moon and star, finished with blue diamond and opal accent stones.
December 6, 2025 at 3:45 PM
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jayispainting.earthskyart.ca
Must have been delirious from reposting all the #ArtAdventCalendar stuff last night because forgot to add the hashtag to my own post.

Oops. 😐😂
jayispainting.earthskyart.ca JayIsPainting 🍁 @jayispainting.earthskyart.ca · 1d
Day 5 Evening
Cosmic Cliffs
36x48in 91x122 cm
Oil on Canvas 2024
Based on the JWST image of NGC 3324 in the Carina Nebula #Art #Painting #SciArt
Abstract painting of a nebula with swirling yellow and orange clouds with blue black field above and lots of stars
December 6, 2025 at 4:04 PM
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bevthomasart.com
Life's no fun without a little sin

💙❤️💙

#ArtAdventCalendar | #digitalart | #oc | #ocart | #demon
Digital art of a demon man drawn in a limited palette of black blue and red. He holds a hand in front of him and one behind his head in a pose that looks a bit like a dance
December 6, 2025 at 4:13 PM
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jasminsmithart.bsky.social
Day 6 Art Advent Calendar
Steampunk Seahorse
This mixed media assemblage painting features a resin seahorse surrounded by gears, fabric, metal ocean charms, and other found objects. The colours are more gold, blue and green. #art #ArtAdventCalendar #mixedmedia #steampunk
Mixed media assemblage painting featuring a resin steampunk seahorse. The painting’s is roughly 5 inches by 7 inches and three dimensional with gears, bits of metal, fabric, and other elements framing the resin seahorse. The colours are vintage gold and bronze with green and blues representing the verdigris
December 6, 2025 at 4:18 PM
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nancybennett.bsky.social
Follow #ArtAdventCalendar to fill your feed with art from around the world. If you're an artist, please join in and share your creations. Any medium, all skill levels, just no AI and only post your own work and please use Alt-Text. Help beautify Bluesky with art!
jayispainting.earthskyart.ca JayIsPainting 🍁 @jayispainting.earthskyart.ca · 14h
#ArtAdventCalendar is averaging ~400 posts per day so we'll be at a minimum 10,000 images posted by the end of the event. That's a full 10% of the entire collection of the National Gallery of Canada. I expect as more people join we'll have closer to 12-15k.

All that art. For free. On your phone.
December 6, 2025 at 5:00 PM
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anatotitan.bsky.social
Today for #ArtAdventCalendar here is my Ceraurus milleranus trilobite illustration. 🐡🎨
A blue and green trilobite with purple eyes and prominent spikes or horn type protrusions from the back of the head and the butt
December 6, 2025 at 5:22 PM
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anaisfae.art
Another birb on a branch for #ArtAdventCalendar
watercolor painting of a crow perched in a tree in autumn colors. The crow is holding a gemstone pendant in its claws.
December 6, 2025 at 6:13 PM
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resad.bsky.social
#ArtAdventCalendar while I paint a lot of portraits, occasionally I’ll branch out to other subjects. This is a scene of rolling hills and snow in the prairies somewhere along the QEII highway in Alberta. 26x48” #oilpainting #Art
December 6, 2025 at 7:36 PM
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bookishblip.bsky.social
I'm really enjoying these posts. Highly recommend!
jayispainting.earthskyart.ca JayIsPainting 🍁 @jayispainting.earthskyart.ca · 14h
#ArtAdventCalendar is averaging ~400 posts per day so we'll be at a minimum 10,000 images posted by the end of the event. That's a full 10% of the entire collection of the National Gallery of Canada. I expect as more people join we'll have closer to 12-15k.

All that art. For free. On your phone.
December 6, 2025 at 6:06 PM
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haileypiperfights.bsky.social
I don't think Netflix should get to eat anything else until it finishes all the prematurely cancelled shows on its plate
December 6, 2025 at 1:31 AM
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loadofolbobbins.bsky.social
Have to boost this stunner and share with the #ArtAdventCalendar feed!
callyconwayprints.bsky.social CallyConwayPrints @callyconwayprints.bsky.social · 21h
Prints from my commission in the summer. A gothic window and tarot inspired design. Made for a brilliant musician who was a pleasure to work with.
December 6, 2025 at 9:51 AM
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laurabundesen.bsky.social
Day 6 #ArtAdventCalendar

'Both Sides Now' (ode to Joni Mitchell) hand stitched embroidery topped by macrame and painted in all the beautiful colors of a sunset in western Massachusetts. 8x8
#NeuroArt #FiberArt
A fiber art brain stitched in a variety of orange, yellow and purple colors has macramed pieces a top the rest that lead to painted tendrils in the painted background that is in the same colors of oranges, yellows and purples
December 6, 2025 at 1:38 PM
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saskajanet.bsky.social
Early spring hillside (2024) #ArtAdventCalendar #Photography
Photograph of ground-level view of three pale purple crocus blooms erupting from the ground. Beyond there is a brown hillside under a bright but cloudy sky.
December 5, 2025 at 1:03 PM
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markgarlick.com
Red sky at night, shepherd's delight.

For day 6 of #ArtAdventCalendar I present this painting of the Horsehead Nebula in Orion. The original was done with acrylics in 1996. This version has been digitally embellished somewhat.

#SciArt #spaceart
This is an impression of a hypothetical Earth-type planet in the vicinity of Barnard 33, also known as. the Horsehead Nebula because, well, it looks like a horse's head. At least that's what people claim. So what you're seeing here is a cloud of gas emitting red light, with a dark, absorbent cloud, in the shape of a Horsehead, superimposed on top of it. Nature speaks in strange ways. The title comes from the expression 'Red sky at night, Shepherd's Delight'. This is a digitally modified version of a painting I did in the 1990s.
December 6, 2025 at 10:56 AM
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nick-stevens.com
Yuri Gagarin with his daughters at the piano.
Yuri Gagarin with his daughters at the piano.
December 6, 2025 at 11:48 AM
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nick-stevens.com
#ArtAdventCalendar Day 6

A festive version of the Lovell Radio telescope at Jodrell Bank!
@jodrellbank.bsky.social
Radio telescope with a Christmas Tree at the prime feed.
December 6, 2025 at 12:09 PM
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luvundlee.bsky.social
Nach dem Regen leuchtet der Himmel über dem Wattenmeer. 🌊
After the rain, the #sky above the Wadden Sea glows. 
#eastcoastkin #blueskyartshow
#yellowsunday #stunday
Ein weiter Himmel mit verstreuten Wolken, die in verschiedenen Grautönen und Blau erscheinen, dominiert die obere Bildhälfte. Am Horizont ist ein schmaler Streifen gelben Sonnenlichts zu sehen, der sich über die dunkle, flache Landschaft erstreckt. Im Vordergrund spiegelt eine ruhige Wasserfläche den Himmel und die Wolken wider.
December 6, 2025 at 2:14 AM
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eurekablog.bsky.social
En el blog > El transbordador nuclear reutilizable de la NASA danielmarin.naukas.com/2025/12/05/e...
El transbordador nuclear reutilizable de la NASA - Eureka
A finales de los años 60 la NASA quería que la continuación del programa Apolo fuese una misión tripulada a Marte en los años 80. Denominado IPP (Integrated Program Plan), […]
danielmarin.naukas.com
December 6, 2025 at 1:50 PM
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jayeperview.bsky.social
Packed room for the opening mentoring keynote by Maggie Werner Washburne talking about the importance of imagination in science and persistence

#CellBio2025
Photo of a full audience of 100+ people listening to Dr. Maggie Werner Washburne who’s at the lectern. A PowerPoint slide is projected with a photo of students and on it is written: “Imagination: Principles: * Know your heart * Look for the positive or the blessing in everything * Embrace who you are and bring it to the table * Show gratitude/finish well”
December 6, 2025 at 2:16 PM
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michaelwhelan.bsky.social
NIGHTFROST (2011)

Acrylic on Watercolor Paper - 9” x 6”



A breath of the fantastic… 1/2
Set in profile against a busy starscape, a regal woman exhales a frosty breath that starts as a delicate spiral before dissolving overhead. Her skin is pale and her wardrobe decidedly wintry, mostly white with pearlescent accents. She wears an ornate headdress, detailed in ornamentation, all swirls and flourishes. Her gown made of feathers and snowflakes opens high on the chest to expose more pale skin but she seems unaffected by the chill of winter.
December 6, 2025 at 2:43 PM
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grahamtg.bsky.social
A Starfury Concept model by Adam Burch. Looks to be an early version, with exposed sensor plates and what looks to be an rotatable chin turret. #Lightwave3d render.
December 5, 2025 at 8:14 PM
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cheribliss.bsky.social
#JWST 🔭 #artadventcalendar #sciart

'Arp 107' -Corel Painter, Artist's Oils
Arp 107 - a painting of two merging galaxies, elliptical and spiral. Original reference data was observed with the James Webb Space Telescope using the MIRI instrument. Set against the blackness of deep space, both galaxies are painted in a range of rich, blues hues. The larger spiral galaxy has a central black hole, painted in bright white and pink refraction spikes. The background is peppered with a variety of distant stars and galaxies, all in the royal colors of the MIRI instrument. This scene is located 465 million lightyears distant in the constellation Leo Minor. -Cheryl Blanchard
December 5, 2025 at 7:54 PM
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kerriedoodles.bsky.social
Day five of #ArtAdventCalendar.

Here’s a stone I painted a reeeeeally long time ago.
On a light grey pebble is a painting of a rising full moon with a silhouetted hare in front of it. The colours are monochrome, and there are lots of stars in the sky. There are silhouetted trees of either side of the hare.
December 5, 2025 at 8:17 PM
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laurabundesen.bsky.social
Something different for Day 5 #ArtAdventCalendar from my old frisky furniture days. Look closely and you’ll see an Om embroidered into the painted lotus flower
An embroidered Om inside a hand painted lotus art piece under glass in the top of a small wooden table that open made of dark wood.
December 5, 2025 at 8:31 PM