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Astronomy
Complete reference for all 110 Messier objects with coordinates and descriptions.
Open Messier CatalogYour specific task is convert light seconds to kilometers. Open the page, drop your input, get the result — typically under a second.
Your goal is complete reference for all 110 messier objects with coordinates and descriptions. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. ls to km focuses on convert light seconds to kilometers; Messier Catalog focuses on complete reference for all 110 messier objects with coordinates and descriptions. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both ls to km and Messier Catalog work without signup. We only ask for an email if you decide to subscribe to a paid plan.