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Plan

  • Tonight
  • Night Outlook
    • Weather
  • Targets
    • Saved targets
  • Plan a night
  • Night plans
    • Logbook

Tools

  • Sky atlas
  • Field of View
  • Exposure Lab
  • Calculators
  • Horizon Studio
  • Sequence Studio
    • Nights
    • Projects

Setup

  • Settings
  • About & Support
  • What’s new

Plan

  • Tonight
  • Night Outlook
    • Weather
  • Targets
    • Saved targets
  • Plan a night
  • Night plans
    • Logbook

Tools

  • Sky atlas
  • Field of View
  • Exposure Lab
  • Calculators
  • Horizon Studio
  • Sequence Studio
    • Nights
    • Projects

Setup

  • Settings
  • About & Support
  • What’s new

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The sky
belongs to
everyone.

Help keep AstroBrain free, independent, and ready for your next clear night.

A note from Hussam ↓

Support at
your own pace.

Choose any amount on PayPal.
Every contribution helps.

Support frequency
Continue with PayPal ↗ (opens in a new tab)

Choose One-Time, Monthly, or Yearly on PayPal. Amount and schedule are confirmed there.

It is a voluntary gift, not a purchase. It unlocks nothing. PayPal handles the payment on their own site, so I never see your card or account details.

Your support keeps the lights on.

Hosting & storage

Keeping the website online, day after day, ready when the clouds clear.

Sky data & services

The catalogues and sky-data work behind the targets you plan to image.

Maintenance & development

Fixing problems, improving the tools, and making time for what comes next.

HA

Built by one person.
Shared with everyone.

I am Hussam. I design, build and maintain AstroBrain on my own. It helps you decide what to image from your rig, your site, your horizon and the nights ahead.

Hosting costs money every month, and keeping the tools and sky data useful takes time. Your support helps me keep doing that.

If you cannot contribute, you are still welcome here. Use the tools, tell me what could work better, and enjoy your next clear night.

Hussam AhmedCreator of AstroBrain

hussamahmed.com (opens in a new tab)contact@astrobrain.net

There is more than one way to help.

A good idea, a useful report, or a recommendation to a friend can make a difference too.

Report a problemSomething not working? Help me find it and fix it.↗Share an ideaSuggest a feature, a correction, or a better way to plan.↗What’s newSee the latest features, improvements and fixes.↗Tell a friendShare AstroBrain with your imaging club or someone planning their next night.↗ (opens in a new tab)

Support the community as a business

Interested in helping fund AstroBrain? Let’s talk. Support does not buy influence over target recommendations.

Get in touch ↗

A few things to know.

Can I choose my own amount?

Yes. Enter any amount on PayPal. There are no tiers or suggested amounts here, and a one-time thank you is just as welcome.

How do I manage recurring support?

Choose Monthly or Yearly on PayPal, then review the amount and schedule before confirming. You can manage or cancel recurring support through your PayPal account.

Your payment details stay with PayPal

Payment happens on PayPal’s own website. AstroBrain does not collect your card, bank or PayPal account credentials. You do not need an AstroBrain account to donate.

Data credits

Object facts come from CDS/SIMBAD (Wenger et al. 2000, A&AS 143, 9) and from catalogues distributed by CDS/VizieR (Ochsenbein et al. 2000, A&AS 143, 23): Barnard 1927, Lynds 1962 and 1965, Sharpless 1959, van den Bergh 1966 and Acker et al. 1992. Each object page names the original authors of what it shows.

Contains information from SIMBAD (opens in a new tab), which is made available here under the Open Database License (ODbL) (opens in a new tab). Download the SIMBAD-derived data (ODbL, JSON)

Sky brightness estimate: David Lorenz, World Atlas of Artificial Night Sky Brightness (2024) (opens in a new tab)

Why it is free

Same features for everyone
  • No ads and no sponsored targets
  • No third-party analytics or tracking scriptsNo Google Analytics or ad pixels. I record only diagnostic event names and timestamps to spot problems, without the event’s contents.
  • No paid tierNothing is held back behind a payment.
  • No forced sign-upPlan a night without an account. Without one, your rigs, locations and saved targets live in this browser only. Some things do need an account, like the logbook and capture import, because they are private to you.

Every feature is free for everyone today. That is how it is built today, not a promise about forever. If it changes, I will change this page.

Clear skies. Thank you for being here.

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