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Arcsecond Tools

All Arcsecond tools are grouped into 3 main "apps", corresponding to the 3 phases of the observations lifecycle:

  • Night Studio to prepare observations
  • Control Room to acquire new data and automate your observing nights
  • Data Grand Central to manage and share your data.

Night Studio

The Night Studio comprises all the features Arcsecond offers for exploring the nights, before the observations.

Night Explorer

Night Explorer, formerly known as iObserve, the best pro tools to explore observing nights. Already used by thousands of astronomers worldwide (and even some classrooms!)

Exoplanet Transits

Exoplanet Transits are the subset of exoplanets known for transiting in front of their host star. Arcsecond builds a powerful table and visualisation of transits for any date, and observing site of your choice.

Target Lists

Target Lists are lists of targets grouped by common interest. They can be directly created from / imported to the Night Explorer, and used to create Night Plans, Night Logs etc.

FOV Simulator

FOV Simulator is a simulator of Field-of-View, also able to create finding charts ( in roadmap).




Control Room

The Control Room is our module to acquire new data and automate your observing nights.

Equipments Setup

Equipments Setup is a tool dedicated to setup in every possible details your equipments.

Observer Console

Observer Console...

Night Scheduler

Night Scheduler...

Observing Queue

Observing Queue...

Calibration Manager

Calibration Manager...




Data Grand Central

Data Management

Datasets are the virtual folders containing data. They allow to group (and easily download) data files which have a common source or interest.

Cloud Storage is the unlimited, secured-by-default, deletion-protected, industry-grade storage Arcsecond offers, based on Amazon's AWS S3.

External Storages are storages that an astronomer, or an Observatory Portal owns, or has access to. By providing secured read-only credentials, Arcsecond will use it to consolidate the Follow-Up Targets list (and past Night Logs too).

Data Packages

Data Packages are custom packages of Datasets to be shared, either within an Observatory Portal (e.g. for visiting observers), or with other astronomers, or to the public.

Data & File Browser

File Browser is a browser of all Data files associated with an account or an Observatory Portal (being Arcsecond's Cloud storage or External Storages).

Follow-Up Targets

Targets Follow-Up is the tool to automatically follow all the targets that have been observed. Arcsecond maintains the list from the created Night Logs and those reconstructed from uploaded data.

MIT Licensed