Observing Workflow
How Lists, Plans, Tonight, the Star Map, Sessions, and Observations work together to support your observing.
Contents
The Big Picture
Observing follows a natural cycle: you discover interesting objects, organize them into lists and plans, then go outside and record what you see. Oblog supports each stage with dedicated tools that pass data between them seamlessly.
How It Fits Together
The diagram below shows how the six main features connect. Arrows indicate the typical flow of objects and data between them.
Catalog
The Catalog is the main entry point for discovering objects. It contains over 22,000 astronomical objects across six catalogs: Messier, NGC, IC, Caldwell, Bright Stars, and Solar System. You can search by name or designation, filter by catalog, object type, constellation, and magnitude, then sort and paginate the results.
From the Catalog you can select objects and Add to Plan or Add to List using the batch action bar. You can also open objects on the Star Map, or export them as PDF or CSV.
See the Catalog Guide for full details on searching, filtering, and object ratings.
Lists
Lists are curated collections of objects that you want to keep track of long-term. Think of them as bookmarks or folders for organizing your interests. A list might be "Best Double Stars", "Galaxies in Virgo", or "Objects I Want to Photograph".
Community Lists
Community Lists let you share your curated collections with other observers and browse lists published by the community. It's a way to exchange observing ideas, benefit from others' experience, and contribute your own expertise.
Publishing Your Lists
Browsing Community Lists
Plans
Plans are goal-oriented checklists. Each object in a plan can be marked as observed, giving you progress tracking toward a goal. A plan might be "Complete the Messier catalog", "Spring galaxies for next session", or "Herschel 400 project".
Lists vs. Plans: Use Lists for general collections you want to keep (like bookmarks). Use Plans when you have a specific observing goal and want to track what you've completed.
Tonight
The Tonight page shows you what's worth observing right now. It combines visibility calculations (what's above the horizon from your location) with object quality ratings to recommend the best targets for the current evening.
Star Map
The interactive Star Map lets you visually explore the sky. You can pan and zoom across constellations, identify objects, and plan star-hopping routes to your targets. Objects from the Catalog, Plans, and Lists can be displayed as overlays on the map.
See the Star Map Guide for full details on navigation, overlays, and controls.
Sessions
A Session represents one night of observing. It captures the shared context for everything you observe that evening: the date, your location, sky conditions, and any general diary notes about the night.
Ticks
Ticks are quick timestamps you place on objects directly from the Star Map — one tap and done. They are designed for use in the field when you don't want to break dark adaptation by opening forms or navigating away from the map. Think of them as provisional markers: "I looked at this object at this time."
Ticks vs. Observations: Use Ticks in the field to quickly mark what you looked at. Use Observations when you want to record details: status (Seen / Not Sure / Not Seen), notes, equipment, and photos. You can always convert a tick into an observation later when you're indoors.
Observations
An Observation is a per-object record within a Session. It captures what you saw (or tried to see) for a single astronomical object on a given night.
Observations link back to the astronomical object in the catalog using natural keys (name and catalog number), so your records stay intact even if the catalog database is rebuilt.
Common Workflows
Planning an Evening
Recording an Observing Session
Quick Field Logging with Ticks
Building a Long-term Project
Sharing & Using Community Lists
Tips & Best Practices
- Use Lists for broad interests and Plans for specific goals. A list says "I like these objects"; a plan says "I want to observe all of these."
- Record "Not Seen" observations too — they help you remember what didn't work so you can try again under better conditions or with different equipment.
- Start each session by noting conditions. Even brief notes like "steady seeing, some haze" help you understand your records later.
- The Tonight page is the fastest way to decide what to observe. It pre-filters for visibility and sorts by quality.
- Use Ticks during observing to quickly mark objects without leaving the Star Map. The next day, convert the ticks you care about into full observations with notes and equipment details.
- Use the Star Map to plan efficient routes across the sky — observe objects that are near each other before moving to another region.
- Add equipment to your observations. Knowing which eyepiece gave the best view of a particular object is valuable for future sessions.
- Keep session diary notes conversational — who was there, what the weather was like, memorable moments. These become enjoyable to re-read.
- For long-term projects, don't rush. Spread observations across many sessions and enjoy the process of gradually completing a catalog.
- Browse Community Lists for observing inspiration. Experienced observers often publish well-curated target lists for specific seasons or equipment types.
- When publishing a list, add a good description — explain what ties the objects together and what equipment or conditions work best. It helps others decide if the list suits them.