Chittagong Astronomical Society

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Chittagong Astronomical Society A society for astronomy knowledge sharing and outreach activity in Chittagong region. Us, too! Let's take our core tenets of credibility and accuracy seriously.

In Chittagong, we are trying to raise awareness and promote astronomy as a tool for education and sustainable development. That's why we arrange astronomy-related events and promote exciting campaigns. We collaborate with the Bangladesh National Outreach Co-ordinator office of the International Astronomical Union (IAU) and Bangladesh Astronomical Society (BAS). This page serves to notify folks about our events and the process to join them. It also has immense potential to serve as a platform for sharing the beauty of astronomy and for facilitating discussions. Any astronomy enthusiast from any part of the world is invited to stay tuned with this page. Please feel free to share astronomy-related issues and to join the discussion with astronomy enthusiasts. Help us keep this space a respectful and safe environment for astronomy ideas by adhering to the following community guidelines:
🚀 Share and comment on posts, and invite your friends to like the page
🚀 Science and politics have an interesting and complex relationship, and while we encourage passionate debate, it's important that discussion remains healthy & productive. Before you comment on a post, ask yourself if your comment will put others on the defensive.
🚀 Personal attacks, hate speech, trolling and bullying will NOT be tolerated. Violations will result in removal from the group.
🚀 Absolutely no spam, advertisements, PR pitches or self-promotions.
🚀 We’re here for astronomy, so let’s stick to that! Posts that are off-topic or unrelated will never be accepted.
🚀 Have any astronomy must-reads or must-watches? Please share those.
🚀 Please report any comments that violate our community guidelines by using the ‘report’ feature next to the comments. Wishing y'all dark nights and clear skies.

Introducing Our Esteemed Speaker!We are pleased to announce that Prof. Dr Ujjwal Kumar Deb will be joining us at the Cel...
09/08/2026

Introducing Our Esteemed Speaker!

We are pleased to announce that Prof. Dr Ujjwal Kumar Deb will be joining us at the Celestial Odyssey 2026 on 21 and 22 August, 2026.

Prof. Deb is currently a distinguished faculty member of the Department of Mathematics at Chittagong University of Engineering & Technology (CUET). He earned his BSc and MSc in Mathematics from the University of Chittagong and later pursued his PhD at Mahidol University, Thailand. A passionate advocate for astronomy outreach in Bangladesh, he serves as the Official Secretary of the Bangladesh Astronomical Society and is a member of the National Astronomy Education Coordination (NAEC) team in Bangladesh. He is also our respected advisor of the Chittagong Astronomical Society.

Prof. Deb is also deeply involved with the Bangladesh Mathematical Olympiad Committee. He regularly attends and convenes conferences and seminars both nationally and internationally, sharing his expertise as a mathematician. He is a life member of the Bangladesh Mathematical Society and serves as an editor for several mathematics journals. His research interests include computational fluid dynamics, modelling and simulation of real-world dynamical systems, and chaos theory. He has conducted significant research on the computational modelling of hydrodynamic behaviors in reactor systems during his doctoral studies.

We eagerly await his enlightening talk and the wealth of knowledge he will share with us.

❓ 𝗖𝗲𝗹𝗲𝘀𝘁đ—ļ𝗮𝗹 đ—ĸ𝗱𝘆𝘀𝘀𝗲𝘆 𝟮đŸŦ𝟮𝟲 – 𝗙đ—ŋ𝗲𝗾𝘂𝗲đ—ģ𝘁𝗹𝘆 𝗔𝘀𝗸𝗲𝗱 𝗤𝘂𝗲𝘀𝘁đ—ļđ—ŧđ—ģ𝘀 (𝗙𝗔𝗤)āĻ…āύ⧇āϕ⧇āχ Celestial Odyssey 2026 āύāĻŋāϝāĻŧ⧇ āĻŦāĻŋāĻ­āĻŋāĻ¨ā§āύ āĻĒā§āϰāĻļā§āύ āĻ•āϰāϛ⧇āύāĨ¤ āϤāĻžāχ...
07/08/2026

❓ 𝗖𝗲𝗹𝗲𝘀𝘁đ—ļ𝗮𝗹 đ—ĸ𝗱𝘆𝘀𝘀𝗲𝘆 𝟮đŸŦ𝟮𝟲 – 𝗙đ—ŋ𝗲𝗾𝘂𝗲đ—ģ𝘁𝗹𝘆 𝗔𝘀𝗸𝗲𝗱 𝗤𝘂𝗲𝘀𝘁đ—ļđ—ŧđ—ģ𝘀 (𝗙𝗔𝗤)

āĻ…āύ⧇āϕ⧇āχ Celestial Odyssey 2026 āύāĻŋāϝāĻŧ⧇ āĻŦāĻŋāĻ­āĻŋāĻ¨ā§āύ āĻĒā§āϰāĻļā§āύ āĻ•āϰāϛ⧇āύāĨ¤ āϤāĻžāχ āφāĻĒāύāĻžāĻĻ⧇āϰ āϏ⧁āĻŦāĻŋāϧāĻžāϰ āϜāĻ¨ā§āϝ āϏāĻŦāĻšā§‡āϝāĻŧ⧇ āĻŦ⧇āĻļāĻŋ āϜāĻŋāĻœā§āĻžāĻžāϏāĻŋāϤ āĻĒā§āϰāĻļā§āύāϗ⧁āϞ⧋āϰ āωāĻ¤ā§āϤāϰ āĻāĻ•āϏāĻžāĻĨ⧇ āϤ⧁āϞ⧇ āϧāϰāĻž āĻšāϞ⧋āĨ¤

🌌 ā§§. 𝗖𝗲𝗹𝗲𝘀𝘁đ—ļ𝗮𝗹 đ—ĸ𝗱𝘆𝘀𝘀𝗲𝘆 𝟮đŸŦ𝟮𝟲 āφāϏāϞ⧇ āϕ⧀ āύāĻŋāϝāĻŧ⧇?

Celestial Odyssey 2026 āĻšāϞ⧋ āĻĻ⧁āχ āĻĻāĻŋāύāĻŦā§āϝāĻžāĻĒā§€ āĻāĻ•āϟāĻŋ āĻŦāĻŋāĻļ⧇āώ āĻœā§āϝ⧋āϤāĻŋāĻ°ā§āĻŦāĻŋāĻœā§āĻžāĻžāύāĻ­āĻŋāĻ¤ā§āϤāĻŋāĻ• āĻ•āĻ°ā§āĻŽāĻļāĻžāϞāĻž, āϝ⧇āĻ–āĻžāύ⧇ āĻŽāĻšāĻžāĻŦāĻŋāĻļā§āĻŦ⧇āϰ āϰāĻšāĻ¸ā§āϝ, āĻ…āĻŽā§€āĻŽāĻžāĻ‚āϏāĻŋāϤ āĻĒā§āϰāĻļā§āύ āĻāĻŦāĻ‚ Astronomy-āĻāϰ āϏāĻŦāĻšā§‡āϝāĻŧ⧇ āφāϞ⧋āϚāĻŋāϤ āĻ“ controversial āĻŦāĻŋāώāϝāĻŧāϗ⧁āϞ⧋ āύāĻŋāϝāĻŧ⧇ āφāϞ⧋āϚāύāĻž āĻ•āϰāĻž āĻšāĻŦ⧇āĨ¤

āĻ āĻŦāĻ›āϰ⧇āϰ āĻŽā§‚āϞ āĻĨāĻŋāĻŽ:
"𝗧đ—ĩ𝗲 𝗨đ—ģđ—ŗđ—ļđ—ģđ—ļ𝘀đ—ĩ𝗲𝗱 𝗤𝘂𝗲𝘀𝘁đ—ļđ—ŧđ—ģ𝘀 đ—ŧđ—ŗ 𝘁đ—ĩ𝗲 𝗖đ—ŧ𝘀đ—ēđ—ŧ𝘀"

āχāϭ⧇āĻ¨ā§āĻŸā§‡āϰ āĻĒā§āϰāϧāĻžāύ āφāĻ•āĻ°ā§āώāĻŖāϗ⧁āϞ⧋āϰ āĻŽāĻ§ā§āϝ⧇ āϰāϝāĻŧ⧇āĻ›ā§‡â€”
🔭 Astrophotography Session
🔭 Telescope Demonstration & Telescope Mechanism Session
đŸŽ™ī¸ āĻĻā§āĻŦāĻŋāϤ⧀āϝāĻŧ āĻĻāĻŋāύ⧇ āĻ…āĻ­āĻŋāĻœā§āĻž āĻļāĻŋāĻ•ā§āώāĻ• āĻ“ āĻ…āϤāĻŋāĻĨāĻŋāĻĻ⧇āϰ āĻŦāĻŋāĻ­āĻŋāĻ¨ā§āύ āĻŦāĻŋāĻļ⧇āώ āϏ⧇āĻļāύ, āϝ⧇āĻ–āĻžāύ⧇ āĻŽāĻšāĻžāĻŦāĻŋāĻļā§āĻŦ⧇āϰ āύāĻžāύāĻž āϰāĻšāĻ¸ā§āϝ, āĻŦāĻŋāϤāĻ°ā§āĻ•āĻŋāϤ āϧāĻžāϰāĻŖāĻž āĻāĻŦāĻ‚ āφāϧ⧁āύāĻŋāĻ• āĻ—āĻŦ⧇āώāĻŖāĻž āύāĻŋāϝāĻŧ⧇ āφāϞ⧋āϚāύāĻž āĻšāĻŦ⧇āĨ¤

🏆 ⧍. Competition āϕ⧀ āϕ⧀ āĻĨāĻžāĻ•āĻŦ⧇?

āĻĻā§āĻŦāĻŋāϤ⧀āϝāĻŧ āĻĻāĻŋāύ⧇ āĻĻ⧁āϟāĻŋ āĻĒā§āϰāϤāĻŋāϝ⧋āĻ—āĻŋāϤāĻž āĻ…āύ⧁āĻˇā§āĻ āĻŋāϤ āĻšāĻŦā§‡â€”

đŸ—Ŗī¸ Space Debate
āύāĻŋāĻ°ā§āϧāĻžāϰāĻŋāϤ āĻāĻ•āϟāĻŋ āĻœā§āϝ⧋āϤāĻŋāĻ°ā§āĻŦ⧈āĻœā§āĻžāĻžāύāĻŋāĻ• āĻŦāĻŋāώāϝāĻŧ āĻŦāĻž āĻĨāĻŋāĻŽ āύāĻŋāϝāĻŧ⧇ āĻŦāĻŋāϤāĻ°ā§āĻ•āĨ¤

🎤 Space Talk
āωāĻĒāĻ¸ā§āĻĨāĻŋāϤ āĻŦāĻ•ā§āϤ⧃āϤāĻžāϰ āϧāĻžāρāĻšā§‡ āĻāĻ•āϟāĻŋ āύāĻŋāĻ°ā§āĻĻāĻŋāĻˇā§āϟ āĻŦāĻŋāώāϝāĻŧ⧇āϰ āĻ“āĻĒāϰ āĻŦāĻ•ā§āϤāĻŦā§āϝ āĻĒā§āϰāĻĻāĻžāύāĨ¤

āύ⧋āϟ: Registration Form-āĻ āφāĻĒāύāĻŋ āϝ⧇ Competition āύāĻŋāĻ°ā§āĻŦāĻžāϚāύ āĻ•āϰāĻŦ⧇āύ, āφāĻĒāύāĻŋ āϏ⧇āχ Competition-āĻāχ āĻ…āĻ‚āĻļāĻ—ā§āϰāĻšāĻŖ āĻ•āϰāĻŦ⧇āύāĨ¤

📍 ā§Š. āχāϭ⧇āĻ¨ā§āϟāϟāĻŋ āϕ⧋āĻĨāĻžāϝāĻŧ āĻ…āύ⧁āĻˇā§āĻ āĻŋāϤ āĻšāĻŦ⧇?

📌 āϚāĻŸā§āϟāĻ—ā§āϰāĻžāĻŽ āĻŦāĻŋāĻļā§āĻŦāĻŦāĻŋāĻĻā§āϝāĻžāϞāϝāĻŧ⧇āϰ āϕ⧇āĻ¨ā§āĻĻā§āϰ⧀āϝāĻŧ āĻ—ā§āϰāĻ¨ā§āĻĨāĻžāĻ—āĻžāϰ (Central Library) – Library Auditorium

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📅 ā§Ē. āχāϭ⧇āĻ¨ā§āĻŸā§‡āϰ āϤāĻžāϰāĻŋāĻ– āĻ“ āϏāĻŽāϝāĻŧ āϕ⧀?

⧍⧧ āφāĻ—āĻ¸ā§āϟ ⧍ā§Ļ⧍ā§Ŧ
🕞 āĻŦāĻŋāϕ⧇āϞ ā§Š:ā§Šā§Ļ – āϏāĻ¨ā§āĻ§ā§āϝāĻž ā§Ŧ:ā§Šā§Ļ

⧍⧍ āφāĻ—āĻ¸ā§āϟ ⧍ā§Ļ⧍ā§Ŧ
🕙 āϏāĻ•āĻžāϞ ā§§ā§Ļ:ā§Ļā§Ļ – āϏāĻ¨ā§āĻ§ā§āϝāĻž ā§Ŧ:ā§Ļā§Ļ

āφāϰāĻ“ āϕ⧋āύ⧋ āĻĒā§āϰāĻļā§āύ āĻĨāĻžāĻ•āϞ⧇ āφāĻŽāĻžāĻĻ⧇āϰ āχāύāĻŦāĻ•ā§āϏ⧇ āϜāĻžāύāĻžāϤ⧇ āĻĒāĻžāϰ⧇āύāĨ¤
āφāϏ⧁āύ, āĻāĻ•āϏāĻžāĻĨ⧇ āĻŽāĻšāĻžāĻŦāĻŋāĻļā§āĻŦ⧇āϰ āĻ…āϜāĻžāύāĻž āϰāĻšāĻ¸ā§āϝāϗ⧁āϞ⧋ āĻ…āĻ¨ā§āĻŦ⧇āώāĻŖ āĻ•āϰāĻŋ!

🌌 Venue Update | Celestial Odyssey 2026 🌌The wait is over! ✨We're excited to announce that Celestial Odyssey 2026 will t...
06/08/2026

🌌 Venue Update | Celestial Odyssey 2026 🌌

The wait is over! ✨
We're excited to announce that Celestial Odyssey 2026 will take place at the Central Library, University of Chittagong.

Join us for two unforgettable days among the stars, where curiosity meets the cosmos. From engaging astronomy sessions and interactive demonstrations to hands-on activities and inspiring discussions, this is your chance to explore the universe like never before.

📅 Date: 21–22 August 2026

🕒 Schedule:
21 August: 3:30 PM – 6:00 PM
22 August: 10:00 AM – 7:00 PM

📍 Venue:
University of Chittagong
Central Library

đŸ’ŗ Registration Fee: 999 BDT

💰 bKash (Personal): 01738545368

📲 Registration Link:
https://forms.gle/TNQwrufSHZuqZUB5A

âŗ Registration Deadline: Limited seats available! Register as soon as possible to secure your spot.

Whether you're a passionate astronomy enthusiast or simply fascinated by the mysteries of the night sky, Celestial Odyssey 2026 promises an experience filled with learning, discovery, and inspiration.

✨ See you among the stars! 🚀🌠

The universe is calling... 🌌✨Get ready to embark on an unforgettable journey beyond the stars with CAS Presents: Celesti...
26/07/2026

The universe is calling... 🌌✨

Get ready to embark on an unforgettable journey beyond the stars with CAS Presents: Celestial Odyssey 2026! Whether you're an astronomy enthusiast or simply curious about the cosmos, this two-day event is designed to inspire, educate, and ignite your passion for the universe.

🔭 What awaits you? â€ĸ Space Talk & Debate
* Telescope Workshop
* Astrophotography Session
* And many more exciting experiences!

📅 Date: 21–22 August
🕒 21 August: 3:00 PM – 6:00 PM
🕙 22 August: 10:00 AM – 7:00 PM
📲 Registration Link:
❗Deadline: https://forms.gle/TNQwrufSHZuqZUB5A
Registration Fee: 999 BDT/=
Bkash: 01738545368 (Personal)
📍 Venue: To be announced soon

🌠 Explore Beyond the Horizon.
Register now by scanning the QR code and reserve your spot among the stars!

28/05/2026

Eid Al-Adha Mubarak from Chittagong Astronomical Society! 🌙

On this beautiful and sacred occasion, we wish each and every one of you a joyful, peaceful, and blessed Eid. May the spirit of giving and compassion that defines this holy day inspire us all to be kinder, more grateful, and more united as a community. May Allah bless you with good health, happiness, and prosperity. Eid Mubarak to you and your family!

Eid Mubarak!🕌⭐🤲

The universe has something magical planned for us in 2026 ✨From dazzling meteor showers and rare eclipses to beautiful f...
14/05/2026

The universe has something magical planned for us in 2026 ✨

From dazzling meteor showers and rare eclipses to beautiful full moons and seasonal sky events, the 2026 Astronomy Calendar is filled with moments every sky lover should experience. Whether you enjoy casual stargazing, astrophotography, or simply watching the night sky in silence, this year promises countless unforgettable celestial views.

Save the dates, gather your friends, and don’t forget to look up — the cosmos is ready to put on a spectacular show 🔭

āĻļ⧁āĻ­ āĻŦ⧁āĻĻā§āϧ āĻĒā§‚āĻ°ā§āĻŖāĻŋāĻŽāĻž ✨āĻļāĻžāĻ¨ā§āϤāĻŋāϰ āĻĒāĻĨ⧇āϰ āφāϞ⧋āĻ•āĻŦāĻ°ā§āϤāĻŋāĻ•āĻž, āĻ•āϰ⧁āĻŖāĻž āφāϰ āĻĒā§āϰāĻœā§āĻžāĻžāϰ āĻāĻ• āĻ…āύāĻ¨ā§āϤ āĻŦāĻžāĻ°ā§āϤāĻžâ€”āĻāχ āĻĒāĻŦāĻŋāĻ¤ā§āϰ āĻĻāĻŋāύ⧇ āĻ¸ā§āĻŽāϰāĻŖ āĻ•āϰāĻŋ āĻ—ā§ŒāϤāĻŽ āĻŦ⧁āĻĻā§āϧ⧇āϰ āϏ⧇...
01/05/2026

āĻļ⧁āĻ­ āĻŦ⧁āĻĻā§āϧ āĻĒā§‚āĻ°ā§āĻŖāĻŋāĻŽāĻž ✨

āĻļāĻžāĻ¨ā§āϤāĻŋāϰ āĻĒāĻĨ⧇āϰ āφāϞ⧋āĻ•āĻŦāĻ°ā§āϤāĻŋāĻ•āĻž, āĻ•āϰ⧁āĻŖāĻž āφāϰ āĻĒā§āϰāĻœā§āĻžāĻžāϰ āĻāĻ• āĻ…āύāĻ¨ā§āϤ āĻŦāĻžāĻ°ā§āϤāĻžâ€”āĻāχ āĻĒāĻŦāĻŋāĻ¤ā§āϰ āĻĻāĻŋāύ⧇ āĻ¸ā§āĻŽāϰāĻŖ āĻ•āϰāĻŋ āĻ—ā§ŒāϤāĻŽ āĻŦ⧁āĻĻā§āϧ⧇āϰ āϏ⧇āχ āĻŽāĻšāĻžāĻŽā§‚āĻ˛ā§āϝāĻŦāĻžāύ āĻļāĻŋāĻ•ā§āώāĻž, āϝāĻž āφāĻŽāĻžāĻĻ⧇āϰ āĻ…āĻ¨ā§āϤāϰ⧇āϰ āĻ…āĻ¨ā§āϧāĻ•āĻžāϰ āĻĻā§‚āϰ āĻ•āϰ⧇ āφāϞ⧋āϰ āĻĒāĻĨ⧇ āĻāĻ—āĻŋāϝāĻŧ⧇ āϝ⧇āϤ⧇ āĻļ⧇āĻ–āĻžāϝāĻŧāĨ¤

āφāϜāϕ⧇āϰ āĻāχ āĻĒā§‚āĻ°ā§āĻŖāĻŋāĻŽāĻžāϰ āύāĻŋāĻ°ā§āĻŽāϞ āφāϞ⧋ āϝ⧇āύ āφāĻŽāĻžāĻĻ⧇āϰ āĻšā§ƒāĻĻāϝāĻŧ⧇ āĻ›āĻĄāĻŧāĻŋāϝāĻŧ⧇ āĻĻ⧇āϝāĻŧ āϏāĻšāĻŽāĻ°ā§āĻŽāĻŋāϤāĻž, āĻĻāϝāĻŧāĻž āφāϰ āĻŽāĻžāύāĻŦāϤāĻžāϰ āĻŦā§‹āϧāĨ¤ āĻœā§€āĻŦāύ⧇āϰ āĻĒā§āϰāϤāĻŋāϟāĻŋ āĻĒāĻĻāĻ•ā§āώ⧇āĻĒ⧇ āϝ⧇āύ āφāĻŽāϰāĻž āĻ…āĻšāĻŋāĻ‚āϏāĻž, āϏāĻ¤ā§āϝ āĻāĻŦāĻ‚ āϏāĻ‚āϝāĻŽā§‡āϰ āĻĒāĻĨ āĻ…āύ⧁āϏāϰāĻŖ āĻ•āϰāϤ⧇ āĻĒāĻžāϰāĻŋ—āĻāχ āĻšā§‹āĻ• āφāĻŽāĻžāĻĻ⧇āϰ āĻĒā§āϰāĻ¤ā§āϝāϝāĻŧāĨ¤

āφāϏ⧁āύ, āϏāĻ•āϞ āϭ⧇āĻĻāĻžāϭ⧇āĻĻ āϭ⧁āϞ⧇ āφāĻŽāϰāĻž āĻ—āĻĄāĻŧ⧇ āϤ⧁āϞāĻŋ āĻāĻ• āĻļāĻžāĻ¨ā§āϤāĻŋāĻĒā§‚āĻ°ā§āĻŖ āĻ“ āϏāĻšāύāĻļā§€āϞ āĻĒ⧃āĻĨāĻŋāĻŦā§€, āϝ⧇āĻ–āĻžāύ⧇ āĻ­āĻžāϞ⧋āĻŦāĻžāϏāĻž āφāϰ āĻŽāĻžāύāĻŦāĻŋāĻ•āϤāĻžāχ āĻšāĻŦ⧇ āϏāĻŦāĻšā§‡āϝāĻŧ⧇ āĻŦāĻĄāĻŧ āĻļāĻ•ā§āϤāĻŋāĨ¤

āϏāĻŦāĻžāϰ āĻœā§€āĻŦāύ⧇ āύ⧇āĻŽā§‡ āφāϏ⧁āĻ• āĻļāĻžāĻ¨ā§āϤāĻŋ, āϏāĻŽā§ƒāĻĻā§āϧāĻŋ āφāϰ āĻĒā§āϰāĻļāĻžāĻ¨ā§āϤāĻŋāϰ āφāϞ⧋āĨ¤

āĻļ⧁āĻ­ āĻŦ⧁āĻĻā§āϧ āĻĒā§‚āĻ°ā§āĻŖāĻŋāĻŽāĻž ⧍ā§Ļ⧍ā§Ŧ đŸŒŧ

From the hands that build our cities to the minds that shape our future—every worker’s effort matters, every role has di...
01/05/2026

From the hands that build our cities to the minds that shape our future—every worker’s effort matters, every role has dignity, and every contribution moves the world forward.

Today, we celebrate the strength, resilience, and dedication of people from all walks of life—engineers, doctors, artists, teachers, laborers, and countless others who keep society running every single day. Their hard work often goes unseen, yet it forms the foundation of everything we enjoy.

On this special day, let us not only express gratitude but also stand for fairness, respect, and equal opportunities for all workers everywhere. Because progress is not built by a few—it is built by everyone, together.

Happy International Workers' Day! 💙

đŸ“ĸ CAS General Member Recruitment – Viva Today!The viva for CAS General Member Recruitment is happening today. Only those...
19/04/2026

đŸ“ĸ CAS General Member Recruitment – Viva Today!

The viva for CAS General Member Recruitment is happening today. Only those who have received an email are eligible to attend this round.

For those who haven’t received a mail yet — don’t worry! A second wave of viva will be arranged soon for the remaining applicants. So stay patient and keep checking your email regularly.

✨ Don’t miss your chance to be a part of something exciting. Stay prepared, stay updated!

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