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Chandra (tckb) @moonandbeyond.blog · 23/02/2026

moonandbeyond.blog/p/chandrayaa...

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Chandra (tckb) @moonandbeyond.blog · 23/02/2026

New blog post 🚨 Chandrayaan-4 Preliminary site analysis. #Chandrayaan-4 #ISRO

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Chandra (tckb) @moonandbeyond.blog · 06/02/2026

New Blog: How I Built the Highest Resolution Lunar Terrain Map using Chandrayaan2 OHRC Images (link below)

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Chandra (tckb) @moonandbeyond.blog · 23/08/2025

India rightfully declared the day Chandrayaan-3 touched down at Shiv-Shakti Point as “National Space Day” for posterity (...) I’m excited to release a Cloud-optimized Lunar Data Explorer. More details about the portal and how to use it in my blog post below 👇

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Chandra (tckb) @moonandbeyond.blog · 10/08/2025

IM‑2 Athena: An Almost‑Successful South Polar Landing — Intuitive Machines Mission 2 My story on the recent Athena lunar mission moonandbeyond.blog/p/im-2-athen...

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Chandra (tckb) @moonandbeyond.blog · 09/08/2025

Here’s the before and after images. Credits: ISRO/C.Tungathurthi

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Chandra (tckb) @moonandbeyond.blog · 07/08/2025

🚨I found the ill-fated @Int_Machines #IM2 #Athena lander using the #Chandrayaan2 OHRC and it shows some interesting patterns around the site where it hard landed. Exclusive story 👇 and I’ll share more detailed observations and my thoughts on this soon in my blog. (More pictures are storely below)

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Chandra (tckb) @moonandbeyond.blog · 06/08/2025

When comparing OHRC imagery from #Chandrayaan2 with @LROC images, it’s clear once again that @isro ’s OHRC remains the most capable lunar observation camera to date—delivering unmatched clarity, resolution, and detail from orbit.

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Chandra (tckb) @moonandbeyond.blog · 06/08/2025

A distinct light-toned halo around the site indicates lunar regolith was ejected during impact. The debris spread extends noticeably from the point of contact, hinting at the significant kinetic force involved in the crash.

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Chandra (tckb) @moonandbeyond.blog · 06/08/2025

Both images offer high-resolution visuals of the impact site. In the first annotated image, the crash point is clearly visible, along with a debris field scattered around the site, providing valuable post-impact data.

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Chandra (tckb) @moonandbeyond.blog · 06/08/2025

The exact coordinates of the impact, as determined from OHRC imagery, are (60.445897, 355.410438). OHRC captured these images from an altitude of ~109 km, with a pixel resolution of 28 cm—some of the clearest views to date.

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Chandra (tckb) @moonandbeyond.blog · 06/08/2025

🚨 (New High res lunar images) On June 5, 2025, ispace_inc’s HAKUTO-R lander attempted a soft landing on the Moon in the Mare Frigoris region. Unfortunately, the mission ended in a crash landing during its final descent. (1/n)

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Chandra (tckb) @moonandbeyond.blog · 30/07/2025

#NISAR separation from GSLV-F16 today. NASA confirms signal acquisition, solar panels deployed.

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Chandra (tckb) @moonandbeyond.blog · 30/07/2025

How it started vs How’s it going via x/ISROSpaceflight NASA 🤝 ISRO

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Chandra (tckb) @moonandbeyond.blog · 30/07/2025

With launch successful, ISRO waits until it starts receiving and processing 8 Terra Bytes of S-Band data and @nasajpl.bsky.social 35 Terra Bytes of L-Band data single a day! Now that’s wealth of global data

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Chandra (tckb) @moonandbeyond.blog · 30/07/2025

ISRO successfully launched and deployed NISAR in its intended orbit with a precision of ~2km to its desired placement.

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Chandra (tckb) @moonandbeyond.blog · 30/05/2025

ispace 'RESILIENCE' is now as up above the Moon's surface as Chandrayaan-2 oribiter and not so long now when it descends to the Sea of Cold ~(60.5, -4.5) Image credts: ispace

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Chandra (tckb) @moonandbeyond.blog · 30/05/2025

A day after the launch of ispace 'RESILIENCE' ISRO seems to have already started terrain analysis on the landing location using the highest resolition camera circling around the moon right now, Chandrayaan 2. Image shows the latest released images of the target landing location of RESILIENCE.

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Chandra (tckb) @moonandbeyond.blog · 17/03/2025

Better and more accurate traverse maps of Pragyan rover of #Chandrayaan3 (check alt for sources and references)

Images from

Stooke, P.J., 2025. Chandrayaan 3 and Pragyan Rover: Traverse Analysis. 56th Lunar and Planetary Science Conference (LPSC 2025).

references in the image:

[1] ISRO map,
https://x.com/isro/status/1697881823391711684
[2] Vadawale, S., ASET talk, Tata Institute, 19
October 2023. [3] Vadawale, S. et al., 2024. Nature,
https://doi.org/10.1038/s41586-024-07870-7 .
[4] Vijayan, S. et al., 2024. Icarus,
https://doi.org/10.1016/j.icarus.2024.116329. [5]
Ghosh, R. et al., 2024. Int. Conf. Space Robotics.

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Chandra (tckb) @moonandbeyond.blog · 17/03/2025

#BGM1 bids à Dieu from Moon with one last message. "Mission mode change detected, now in Monument Mode Goodnight friends. After exchanging our final bits of data, I will hold vigil on this spot in Mare Crisium to watch humanity's continued journey to the stars..." (1/3)

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Chandra (tckb) @moonandbeyond.blog · 15/03/2025

It’s been a year since started writing my blog here’s an update and some changes. Moved from @Ghost to @SubstackInc . Details in my blog 👇

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Chandra (tckb) @moonandbeyond.blog · 12/03/2025

this is kinda hard to tell with very limited public info. But, this is what I can interpret it. The Yaoki rover is completely hidden, but you can see the shadow as well as the illuminated regolith on the top left corner.

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Chandra (tckb) @moonandbeyond.blog · 12/03/2025

The tiny rover on board #IM2 Athena captured the broken leg of Athena (again!) and a mysterious debris off the lander. @yaoki_space has released the raw images - thanks! here's the processed image. #WhatYaokiSee Credits: Daimon/C.Tungathurthi

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Chandra (tckb) @moonandbeyond.blog · 11/03/2025

A more non-oblique look at #IM2 Athena. This view you can clearly see the shadow casted by Athena.

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Chandra (tckb) @moonandbeyond.blog · 11/03/2025

First images of @Int_Machines #IM2 Athena from @LRO_NASA Athena did land in a tiny crater than I originally imagined. Its more up north than the low illuminated areas I originally thought. Athena is at 84.7906° S, 29.1957°E but there is a minor small uncertainty in that location.

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Chandra (tckb) @moonandbeyond.blog · 06/03/2025

Average Solar illumination and Earth Visibility seems pretty good as long as #IM2 Athena kept with-in intended target location. Given the 😶🙃 I speculate Athena went far off its target and toppled - whatever that means this time on

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Chandra (tckb) @moonandbeyond.blog · 06/03/2025

2/3 PSR is SP_852190_0338200 (PSR3) is the next significant PSR in the Leibnitz Beta plateau with around 6Km2 area at center −85.218, 33.820.

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Chandra (tckb) @moonandbeyond.blog · 06/03/2025

Here's my initial assessment of Intuitive Machines’ IM-2 mission Athena Landing site. There are at least 2 significant PSR's (<1Km2) (PSR1, PSR2 ) within 3km radius around the planned -84.78°, 29.13°E target landing site. There are other smaller PSR's within the 3Km radius and the next...(1/3)

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Chandra (tckb) @moonandbeyond.blog · 16/01/2025

Two Landers, One Mission: 2025 Lunar Exploration begins with the launch of Firefly's Blue Ghost Mission 1 and ispace's Mission 2, part of the HAKUTO-R Venture Moon program (...) First blog post of the year.

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Chandra (tckb) @moonandbeyond.blog · 16/01/2025

India has done it! #SpaDex mission was a complete success and It has become the 4th only country to achieve Space docking with Indigenously developed technology! 🇮🇳

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Chandra (tckb) @moonandbeyond.blog · 15/01/2025

First Lunar landers of 2025, Blue Ghost 1 and HAKUTO-R Venture Moon Mission 2 on their way to Moon. In pics #BGM1 and #RESILIENCE deployments . Pic Credits: SpaceX

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Chandra (tckb) @moonandbeyond.blog · 12/01/2025

ISRO aborted its third #SpaDex attempt at 3m separation, just before the final docking. They have been brought back to a safe distance of around 4.5 Km now. No new dates has been announced.

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Chandra (tckb) @moonandbeyond.blog · 12/01/2025

#SoaDex crafts are 15m now, next up 3m then final docking. The final docking is expected to be in about an hour when it’s visible over India. There will not any live streaming but I expect a docking video on successful completion

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Chandra (tckb) @moonandbeyond.blog · 11/01/2025

#SpaDex update. Spacecrafts are about 230m apart and likely closing in for next stages of 15 and 3 meters before they start final docking sequence. Docking expected to happen tomorrow with very slim to no chance of live streaming. I expect an announcement with a docking video, well hopefully🤞🏻

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Chandra (tckb) @moonandbeyond.blog · 07/01/2025

🚨 #ISRO has new Chairman! Dr. V Narayanan, Distinguished Scientist currently serving as the Director of Liquid Propulsion Systems Centre (LPSC), ISRO will take charge from the current Chairman S Somanath on Jan 14th, 2025.

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Chandra (tckb) @moonandbeyond.blog · 01/01/2025

wünsche euch allen einen guten Rutsch ins neue Jahr 2️⃣0️⃣2️⃣5️⃣ 🎆🎊 wish everyone a good start into the new year 2025 🎆🎊

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Chandra (tckb) @moonandbeyond.blog · 31/12/2024

Bonus: Here is how real time tracking and auto tuning works on VayuVani

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Chandra (tckb) @moonandbeyond.blog · 31/12/2024

#4 Packet dashboard now supports all kinds of transmitters

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Chandra (tckb) @moonandbeyond.blog · 31/12/2024

#3 First class support for Transmission. Earlier versions did not have good support for transmissions, we now have full support transmission. There are two ways you can transmit. Send raw bytes or send string. An approximate on-air time and payload size will be displayed

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Chandra (tckb) @moonandbeyond.blog · 31/12/2024

#2 Support for Ground-based transmitters. In addition to Satellites, now the app also supports ground transmitters. This is particularly beneficial when you are doing Weather ballon tests or other ground transmitters

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Chandra (tckb) @moonandbeyond.blog · 31/12/2024

#1 > x20 reduced size - native binary Earlier Windows build : 221Mb New window build: 10Mb!

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Chandra (tckb) @moonandbeyond.blog · 31/12/2024

This year is a great start for #VayuVani as the year comes to an end. I am busy working on the next - more stable, lighter and Mesh ready App. Here are more updates : the new application has been written from ground-up with fresh look and new framework

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Chandra (tckb) @moonandbeyond.blog · 30/12/2024

stage 3 separated - stage 4 started

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Chandra (tckb) @moonandbeyond.blog · 30/12/2024

#SpaDex launch imminent now. Credits: ISRO

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