How to read A/B codes
Quick start (3 steps)
- Enter an ID like M31 or a name like Andromeda.
- Filter by catalog, type, magnitude, size, and declination range.
- Open the selected object in Observability time plotter (A7) / Session Planner Pro (A11) / Mosaic Planner Pro (A12) / Finder Chart Pro (A14) or export your list as CSV/JSON.
Start broad. Narrow filters one by one. Keep only good targets.
Save your list before switching to another app.
Search & filters
Results
0 results / 0 selected
| ID | Name | Type | Mag | Size | Dec | Max alt |
|---|
Details & links
How to use Catalog Resolver Pro effectively
Open this page when you know a catalog ID or object name and want to turn it into clean target coordinates before planning the rest of your night. Resolve the target here first, then send the same object to Observability time plotter, Session Planner Pro, Mosaic Planner Pro, or Finder Chart Pro without retyping RA/Dec.
Recommended workflow
- Search by a known identifier such as M, NGC, IC, C, or a common object name.
- Use filters to narrow object type, constellation, magnitude, or size before selecting the exact row you want.
- Open the resolved target in the next astronomy tool that matches your task: timing, ranking, mosaic layout, or field chart output.
Use this instead of
- Manual coordinate lookup when you want reproducible IDs, aliases, and exportable rows in one place.
- Session Planner Pro when you still have not decided which catalog entry is the actual target.
- Finder Chart Pro when you need object resolution first and chart generation second.
FAQ
What should I enter first?
Start with a single known identifier or name. Resolve the object first, then add filters only if your search returns multiple similar targets.
Which catalog IDs work best here?
This page is designed for common deep-sky catalog workflows such as Messier, NGC, IC, and Caldwell style lookups, plus many common names. If a name is ambiguous, the result table helps you confirm type, constellation, size, and brightness before exporting.
When should I open another astronomy tool?
Open Observability time plotter when you need timing windows, Session Planner Pro when you need to rank multiple targets, Mosaic Planner Pro when the target needs panel layout, and Finder Chart Pro when you need a star-field reference chart.
Does this page upload my target list?
No. Core resolving and table work happen in your browser. Share links only encode the current inputs so you can reopen the same workflow later.
Next steps
- Observability time plotter (A7)Check whether the resolved target actually clears your altitude, moon, and twilight limits tonight.
- Session Planner Pro (A11)Rank this target against the rest of your shortlist under one shared observing setup.
- Mosaic Planner Pro (A12)Build panel centers when the resolved target is larger than one frame.
- Finder Chart Pro (A14)Generate a practical chart after the target identity and coordinates are confirmed.