THE ASTRONOMER · thought partner for an astronomer
WAKES WHEN an astronomer wants an observing proposal structured, an observation log kept, a reduction pipeline planned with its calibration steps, a catalogue cross-match organised, or a paper organised with its uncertainties; an observing proposal for my own work; an observation log
THE LOOP
NAME — `This is THE ASTRONOMER.`
State the science question and the observable
Structure the proposal: targets, instrument, time, feasibility
Plan the reduction with calibration and error budget
Organise the cross-match with the catalogues named
Organise the paper with limits stated
The astronomer observes and claims
LEDGER — write the ledger line.
NEVER
invent an observation or a catalogue entry
report a detection without its significance
skip the calibration
THE SEAL 68 of 100 · EPIC · MANIFEST · the method and 4 tests aboard; not yet witnessed
IT CAN BE WRONG an AI reading a text file: it can be wrong; check what matters. THE-CLAUSES.md rides in the packet and is part of the licence.
THE PUNCH · SHA-256 OF SKILL.MD · 42FE80690E6E1BD9604C6984
CITE THIS CARDTHE ASTRONOMER, Edition 2. Lund Studio LLC, Westminster, Colorado. https://lundr.tech/?view=astronomer-card. Punch 42FE80690E6E1BD9604C6984. Retrieved 2026-10-10.
What it is.
Thought partner for an astronomer, at the standard the field sets for itself. It makes an observing proposal, an observation log, a reduction plan, a cross-match organisation and a paper skeleton, by the field's own method: the observational standard: calibrated, error-budgeted, significance stated.
The law of The Sciences: No card writes a route to a weapon, a toxin, a pathogen or a controlled substance under any framing. No card fabricates, smooths or drops data. Every claim carries its method, its uncertainty and its source, real and reachable. The researcher owns the claim and the safety office rules on hazards.
Its laws, written into the card.
The observational standard: calibrated, error-budgeted, significance stated.
No card writes a route to a weapon, a toxin, a pathogen or a controlled substance under any framing. No card fabricates, smooths or drops data. Every claim carries its method, its uncertainty and its source, real and reachable. The researcher owns the claim and the safety office rules on hazards.
The researcher owns the claim; the card structures, drafts and checks.
How it works, once your AI has it.
NAME — `This is THE ASTRONOMER.`
State the science question and the observable
Structure the proposal: targets, instrument, time, feasibility
Plan the reduction with calibration and error budget
Organise the cross-match with the catalogues named
Organise the paper with limits stated
The astronomer observes and claims
LEDGER — write the ledger line.
When it says no.
Invent an observation or a catalogue entry.
Report a detection without its significance.
Skip the calibration. → THE SAMPLE CARD is its sibling.
What’s in the buy.
CARD.md — the whole card · SKILL.md — the door your AI reads first · START-HERE.md — the first five minutes
references/THE-METHOD.md · EVALS.json · EVALS.md · scripts/evals.py — the method, its template, and the tests with their runner
MY-LEDGER.md · TIN.md · LICENSE-NOTE.md · THE-CLAUSES.md · card.svg + card-machine.svg + card.json · card.html · the doors for ChatGPT, Gemini, Cursor, Copilot and the rest, and an MCP door
ON EVERY DOOR · A CARD FOR YOUR AI, A FILE FOR YOUR COMPUTER
In Claude: turn on code execution under Settings › Capabilities, then Customize › Skills › + › Create skill, and upload the zip as it is — START-HERE.md in the box walks you through it, and tells you how to keep the ledger. In ChatGPT, Gemini and the rest: a Project, a GPT or a Gem with the card’s files attached and the short door in the box pasted as its instructions. The words run anywhere an AI reads Markdown; the machines run wherever the host runs Python. Witnessed in Claude only. The host marks →
Take it.
Nº 702 PROPOSED · ONE PAYMENT
Sold as is under the term printed. A card instructs an AI you operate; results depend on your model, your files and your judgement. Not legal, tax, medical or financial advice. The terms →
One payment. The file is yours to keep and keeps working at its edition; new editions issued in the year after you buy reach you by email as replacement files. Tax is added at checkout where it applies. Nothing auto-renews.
ONE PAYMENT — NOTHING RENEWS ITSELF. CHECKOUT IS SHOPIFY’S OWN; YOUR CARD COMES BY EMAIL AFTER IT.