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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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Reposted by Chandra (tckb)

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 · 06/08/2025

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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 more detailed technical analysis, including debris mapping and trajectory implications, will be shared in an upcoming blog post, adding to my existing blog post that wrote early this year. moonandbeyond.blog/p/two-lander...

moonandbeyond.blog

Two Landers, One Mission: 2025 Lunar Exploration Begins

2025 Moon 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

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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

A week later, on June 12, 2025, India's #Chandrayaan2 orbiter captured two images of the crash site using its Orbiter High-Resolution Camera (OHRC) during two separate passes—at 20:31 UTC and 22:29 UTC.

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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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Reposted by Chandra (tckb)

cosmos4u.bsky.social @cosmos4u.bsky.social · 01/04/2025

The first German women in orbit, and the most exotic trajectory - except for those goimg to the Moon, of course - to date actually. Now let's see how much we're going to see and hear in the coming days; a ham radio contact is already planned for 7:28 UTC today: scicomm.xyz/@ARISS_Intl@...

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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

"Here lies Blue Ghost, a testament to the team who, with the loving support of their families and friends, built and operated this machine and its payloads, to push the capabilities and knowledge of humanity one small step further. Per aspera ad astra! Love, Blue Ghost"

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

"Here, I will outlast your mightiest rivers, your tallest mountains, and perhaps even your species as we know it.But it is remarkable that a species might be outlasted by its own ingenuity...." 2/3

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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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Reposted by Chandra (tckb)

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

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

note the leg either is completely or partially bent

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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

3/3 The PSR1 and PSR2 has the center -84.82031, 28.34226 and -84.84269, 28.53484 respectively. More details will be on my blog soon! Credits: NASA/GSFC/ASU/C.Tungathurthi NASA/GSFC/KARI/C.Tungathurthi

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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 · 18/02/2025

Hi Curtis, do you folks publish the orbital data of BGM1 somewhere ? I’d love to simulation of the current orbit and associate with this lunar footage. Here’s the one of the videos I made for SLIM during its FDM youtu.be/imjRud3ymDA?...

youtu.be

SLIM Far Side Descent

YouTube video by Chandra (tckb)

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Reposted by Chandra (tckb)

Curtis Szajkovics @curtis.bsky.social · 14/02/2025

We made it to the Moon! Blue Ghost is currently orbiting our nearest celestial neighbor! 🌖 It’s truly unbelievable to see our lander finally in orbit around the thing I’ve been looking at in the night sky for 35 years. I can’t wait to get the chance to stick the landing in a few weeks!🧪

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Curtis Szajkovics @curtis.bsky.social · 14/02/2025

We just completed our Lunar Or it Insertion (LOI) maneuver! That means Blue Ghost is now orbiting another celestial body and has left our home forever. Good-bye Blue!🧪

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Chandra (tckb) @moonandbeyond.blog · 07/02/2025

Really hope they can make it this time! Just like last IM1 I’ll be watching IM2 with same enthusiasm and my assents on the landing situations. Here’s the IM1 moonandbeyond.blog/im-1-landing...

moonandbeyond.blog

Post-Landing Terrain Assessment of the Intuitive Machines-1 Landing Site

A series of analyses on the actual landing site including 3d reconstruction of the landing site and slope analysis

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