Chandra X-ray Observatory over Pittsburgh tonight

Pass predictions for Pittsburgh, PA.

Next visible pass
Sat, Jul 25, 10:15 PM
Peak elevation 72.97° · rises NW · sets NW
Tracking: CXO (NORAD 25867)

7-day pass forecast

DateTimePeak elevRisesSets
Jul 2510:15 PM72.97°NWNW
Jul 263:30 PM80.33°NEW
Jul 2812:03 PM84.89°NENW
Jul 294:33 PM68.29°NEW
Jul 3012:57 PM85.15°SNW
Jul 311:57 PM87.76°NENW

How to spot Chandra X-ray Observatory from Pittsburgh

NASA's flagship X-ray space telescope.

  • Look in the direction listed — passes start near the horizon and arc across the sky.
  • Peak elevation matters — a 60°+ peak means it'll go nearly overhead; under 30° stays low.
  • Best viewing is in the 90 minutes after sunset or before sunrise — the satellite is sunlit while you're in shadow.
  • No equipment needed for bright passes — the ISS at peak rivals Venus.

Going to look up?

For fainter satellites you'll want 7×50 or 10×50 binoculars. A pair of Celestron SkyMaster binoculars is the consensus pick. Affiliate placement — replace with your affiliate link.

Pass alerts on your phone

Browser push, no email needed. We'll notify you 30 minutes before Chandra X-ray Observatory is visible from Pittsburgh.

Prefer email?

One email tonight before Chandra X-ray Observatory is visible, never more than 2/week.