here are some constellations from Napoli

youtu.be/dVihQsS_BQM?...

a Napolitanian created this amazing constellation video for kids, in Italian: youtu.be/lnzqja_LutM?...

⚪️ Alaybasan (β Tri) — mag 3.0 white A-type binary in #Triangulum.
🌡️ 7,680 K | 3.25 M☉ | 3.4 R☉ | 124 ly | A5 III
Name from Arabic al-Aybasān, “the Two Bone-Joints.”
A 31.4-day spectroscopic binary as tight as Mercury’s orbit.
#Alaybasan #IAUStarNames #BinaryStars

⚪️ Apdu (γ Tri) — mag 4.0 white, fast-rotating star in #Triangulum.
🌡️ 9,440 K | 2.5 M☉ | 2.25 R☉ | 117 ly | A1Vnn
From ancient Egyptian Apdu (𓅫pd), “the Bird,” now official IAU name.
#Apdu #GammaTrianguli #IAUStarNames #StarEtymology #Triangulum

🔴On 4th October, the chair of WGSN participated in the 24 Hours Live event at Akashi Planetarium (Japan), part of 100 Hours of Astronomy, @susanne-m-hoffmann.bsky.social explained how stars are officially named by the IAU followed by a public Q&A hosted by IAU-OAO.

#IAU #WGSN #Astronomy

🟡 Ain (ε Tau) – yellow giant in #Taurus, mag 3.5, ~154 ly away.
🌡️ 4,880 K | 2.45 M☉ | 12 R☉
Hosts giant planet Amateru (ε Tau b), a hot super-Jupiter (~7 M♃) orbiting every 586 d.
Name “Ain” = Arabic ʿAyn al-Thawr, “Bull’s Eye.”
#Ain #Amateru #IAUStarNames #Exoplanet #Taurus

We thank Giuseppe Fusco Marano from Naples (Napoli), Italy, for this great idea. Currently only available in Italian, we still think that the educational value comes predominantly from the pictures. "I appreciate this work very much and send 'mille grazie' to Italy", Susanne M Hoffmann says.

🔵 Hydor (2 Ceti, HIP 301)
A blue-white subgiant (mag 4.48) in Cetus and 3rd-brightest member of the Psc–Eri stellar stream (~4,700 stars).
🌡️ 11,419 K | 2.68 M☉ | 2.75 R☉ | 272 ly
🔬 B9 IVn
Greek name ὕδωρ “Water,” once misplaced in Aquarius, restored by IAU in 2019.
#Hydor #Cetus

🔴 Shatabhisha (λ Aquarii, HIP 112961)
A red giant glowing at mag 3.8 in Aquarius, ~391 ly away.
🌡️ 3,702 K | 2.96 M☉ | 100 R☉ | M2.5III
📜 Sanskrit “Shatabhisha” (शतभिषज्) = “hundred physicians,” a Vedic name >3,000 yrs old, later reimagined as hundred stars.
💫 Companion star detected.
✅ Adopted by IAU.

🌟 New in August 2025:
WGSN adopts star names from Chinese & ancient Greek traditions — highlighting asterisms in Andromeda, Perseus, Cetus & Triangulum, from classical astronomy to early modern heritage.

Names now in the IAU Star Names Catalog 🔗 exopla.net/star-names
#WGSN #IAU #StarNames

✨ On 22 July, PM Anthony Albanese proudly called Epsilon Crucis "Ginan", an Australian star — featured in the flag 🇳🇿.
Named by the IAU in honour of the Wardaman people and their sky stories.

#Ginan #EpsilonCrucis #IAUStarNames #CulturalAstronomy #SouthernCross

🌟 New in June 2025:
WGSN adopts star names from Chinese, Greek & Latin traditions — reviving ancient asterisms in Hercules & Triangulum.
✨ Names now in the IAU Star Names Catalog
🔗 exopla.net/star-names

#WGSN #IAU #StarNames

🔭 WGSN protects cultural star names & maintains the IAU Star Names Catalog (CSN).
🌍 From the All Skies Encyclopaedia, names are chosen with scientific & cultural care.
🔗 exopla.net/star-names
🔗 xing.fmi.uni-jena.de/mediawiki/in...
#WGSN #IAU #StarNames

🗂️ IAU Catalog of Star Names (CSN) = the official list of star names
✨ Includes:
• ASE (Indigenous names)
• NameExoWorlds
• WGSN-id (2025 SIMBAD-based)
🔗 exopla.net/star-names
Typography by sirwatson
#WGSN #StarNames #Astronomy #ASE #SIMBAD

⚪ Bodu (帛度) – 95 Her
A luminous white subgiant (A2IV), named after a Han dynasty textile ruler asterism 🌟
✨ 167× Sun's luminosity, 432 ly away
🧵 IAU-approved June 2025
#Bodu #IAUStarNames #WGSN #ChineseAsterism #95Her #SkyHeritage