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Channel
@ioaa_amir
On this record: Growth · Engagement · What this channel posts · Reactions · Stars · Posts · Polls · Citations · Cite this entry
27subscribers
+0 since we began measuring on 7 August 2026
Risers and fallers across the register · movement among entries of Under 1,000.
| Telegram ID | -1003989958583 |
|---|---|
| Type | Channel |
| Username | @ioaa_amir |
| Description | 🎯 Channel Goal: Free education in astronomy, Olympiad, celestial mechanics, and celestial sphere — beginner to advanced. 📌 Topics: - Celestial sphere & spherical astronomy - Orbital mechanics - Basic astrophysics - Past Olympiad problems Everything. |
| Created | Between 1 April 2026 and 26 May 2026— estimated from Telegram’s id allocation, not measured. How this range is calculated. |
| First recorded | 11 August 2026 |
| Last confirmed live | 11 August 2026 |
| Measurements held | 2 |
| On Telegram | t.me/ioaa_amir |
| Measured (UTC) | Subscribers | Change |
|---|---|---|
| 11 Aug 2026, 07:31 | 27 | no change |
| 7 Aug 2026, 19:29 | 27 | first reading |
20 posts held, back to 26 May 2026 — the reader has not yet reached the start of this channel’s public history, so older posts may sit further back, unread. Read across 1 pageof Telegram’s post history, 20 posts per page.
Nothing published in the last 30 days. ERR and ER are rolling 30-day measures, so there is nothing to compute — we hold 20 posts for this entry, the most recent from 6 June 2026. An engagement rate over an empty window would be a number about nothing.
Lifetime counters from Telegram’s own channel header, read 11 August 2026 — not the date at the top of this page, which is when the subscriber count was last read. Below Telegram’s rounding threshold, so these counts are exact.
43 reactions across 20 posts, in 5 distinct kinds. The most used accounts for 53.5% of them.
| Reaction | Count | Share | Share, drawn |
|---|---|---|---|
| custom 5309850291175185796 | 23 | 53.5% | |
| custom 5238186270760393297 | 14 | 32.6% | |
| custom 5985677173455852057 | 4 | 9.30% | |
| ❤ | 1 | 2.33% | |
| 👍 | 1 | 2.33% |
Custom emoji. 3 of the rows above are Telegram custom emoji, which the public preview renders as an element carrying only a numeric id — no character, and no image we can reach. The id is printed as-is rather than substituted with a look-alike glyph, because a stand-in would be our invention showing where a measurement should be. The counts beside them areTelegram’s.
No sentiment is inferred, and none should be read in. This table is ordered by count and by nothing else. Emoji do not carry stable meaning across languages or communities — 🙏 is thanks in one channel and mourning in another — so we publish which ones were pressed and how often, and pass no judgement on what an audience meant by them.
Precision. Telegram publishes reaction counts per emoji and short-forms each one — 4.34K, 1.2M — so any single kind at or above 1,000 reaches us at three significant figures, and only counts below 1,000 are exact. The shares above are ratios of those figures and carry the same error. This is also why the total here can differ slightly from a reaction total printed elsewhere on the page: both are sums of the same rounded parts, taken over samples with different edges.
Coverage. Reactions were read on 20 of the 20 sampled posts in this sample. Summed by Telegram’s own count on each post — not by adding up the per-emoji breakdown above — those same posts carry 43reactions in total: the kind of figure the paragraph above means by “a reaction total printed elsewhere on the page”.
Measured over the 20 most recent posts we hold, published 26 May 2026 to 6 June 2026, using the newest reading held for each. Telegram Stars are excluded: they are a payment, not a reaction, and they have their own section.
A paid reaction is a reader spending Telegram Stars — bought with money — on a post by @ioaa_amir. Telegram publishes the count on the public post preview alongside ordinary reactions, and this register reads it there. It is the only figure on this site that measures money moving rather than attention.
Stars are not reactions, and the two are never added. They are rendered in the same strip on Telegram and counted in the same shape, but one is a tap and the other is a purchase. The reaction totals and the engagement rate elsewhere on this page exclude every figure in this section, and no rate here is computed against a reaction count.
This is not revenue, and we publish no currency figure. What a Star costs a reader and what it pays a channel are different numbers, Telegram takes a share we cannot observe, and the terms have changed. Converting a Star count into money would be an estimate dressed as a measurement, so the count is where we stop.
Counted over the 20 most recent posts we hold for this entry, published 26 May 2026 to 6 June 2026. Star counts above 1,000 reach us in Telegram’s short form and carry the same three-significant-figure rounding as everything else on this page.
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🌌 A Simple Introduction to the Celestial Sphere 🌠 To locate celestial objects, astronomers imagine that Earth is enclosed within a huge sphere called the "Celestial Sphere" 🌌. The extension of Earth's rotation axis intersects this sphere at two points known as the North Celestial Pole 🧭 and the South Celestial Pole 🌍. Likewise, the projection of Earth's equator onto the celestial sphere forms the Celestial Equator 🌐…
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🌌 آشنایی ساده با کره سماوی 🌠 برای پیدا کردن اجرام آسمانی، منجمان تصور میکنند که زمین داخل یک کره بسیار بزرگ به نام «کره سماوی» 🌌 قرار دارد. امتداد محور چرخش زمین، دو نقطه روی این کره ایجاد میکند که به آنها قطب شمال 🧭 و قطب جنوب سماوی 🌍 گفته میشود. همچنین امتداد استوای زمین روی کره سماوی، «استوای سماوی» 🌐 را به وجود میآورد. برای هر ناظر روی زمین، صفحه افق آسمان را به دو نیمه تقسیم میکند. نقطهای که دقیقاً بالا…
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Photo, posted without a caption
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با چه مطلبی شروع کنیم(What topic should we start with?)
The shares total 115%, above 100: this poll accepts more than one answer per voter. No per-option vote count is published, so the number of voters who chose each option is not derivable and is not shown.
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Showing the 12 most recent of 20 posts we hold for @ioaa_amir. View and reaction counts are the latest single reading for each post, not a live figure, and a recent post is still accumulating both. A view count marked ≈ was rounded by Telegram before we ever saw it — t.me prints views in full below 1,000 and to three significant figures above, so ≈1,200,000 means somewhere between 1,150,000 and 1,249,999. Unmarked counts are exact. Text is reproduced from the public post preview and truncated for length.
Stars beside a post are paid reactions — Telegram Stars, bought with money and spent on that post. They are a different unit from reactions and are never added to them, here or anywhere else on this page.
The 4 polls we hold for this entry, as Telegram rendered them when we read the post. A poll’s figures keep moving after that, so each one is dated.
با چه مطلبی شروع کنیم(What topic should we start with?)
The shares total 115%, above 100: this poll accepts more than one answer per voter. No per-option vote count is published, so the number of voters who chose each option is not derivable and is not shown.
با چه مطلبی شروع کنیم(What topic should we start with?)
The shares total 115%, above 100: this poll accepts more than one answer per voter. No per-option vote count is published, so the number of voters who chose each option is not derivable and is not shown.
با چه مطلبی شروع کنیم(What topic should we start with?)
The shares total 115%, above 100: this poll accepts more than one answer per voter. No per-option vote count is published, so the number of voters who chose each option is not derivable and is not shown.
با چه مطلبی شروع کنیم(What topic should we start with?)
The shares total 115%, above 100: this poll accepts more than one answer per voter. No per-option vote count is published, so the number of voters who chose each option is not derivable and is not shown.
Percentages only — there are no per-option vote counts here, because Telegram publishes none.The public post preview gives each option’s share and a single voter total, and nothing else. Multiplying one by the other would produce a per-option tally that looks measured and is not: the shares are rounded to whole numbers before we ever see them. We print what was published and leave the column that does not exist empty.
The shares need not add up to 100.Rounding alone puts many polls at 99 or 101. A poll that allows more than one answer per voter runs well past 100 by design, and several here do. The bars are drawn against a fixed 100% track at each option’s own percentage rather than normalised to the total, so a poll that exceeds it shows that it does instead of being quietly rescaled.
Read from the 20 most recent posts we hold, published 26 May 2026 to 6 June 2026. Telegram labels each poll by kind — an anonymous poll, a quiz, a closed set of final results — and that label is reproduced rather than paraphrased.
Names
Channels on the register whose handles appear in this channel's posts.
A mention is a weaker signal than a forward and is counted separately for that reason — naming a channel is not republishing it, and a handle in a post body is easy to place deliberately. The post counts beside each row below are distinct posts in which the handle appeared, from posts we have read on both sides — the “Named by N registered channels” figure above is a different count, of distinct NAMING CHANNELS rather than posts, and is not the sum of the rows under it.
A live page changes as we take new readings, so a citation should name the measurement it is based on, not just the URL. The line below cites the subscriber count as measured 11 August 2026 — this entry's latest reading, not the date you are reading this.
“Sky Corners” (@ioaa_amir), 27 subscribers as measured 11 August 2026. Telegram Register, tgregister.com/channel/ioaa_amir.
Full measurement history, CC BY 4.0. Every reading this register holds for this entry, not just the latest one, as a dated, downloadable record: CSV · JSON. Free to use with attribution to tgregister.com. Each file carries its own generation timestamp, which is the figure to cite for exactly when the data was retrieved.