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Astronomy Picture of the Day - The Double Cluster in Perseus
NASA ^
| 7 Aug, 2025
| Image Credit & Copyright: Ron Brecher
Posted on 08/07/2025 12:17:04 PM PDT by MtnClimber
Explanation: This stunning starfield spans about three full moons (1.5 degrees) across the heroic northern constellation of Perseus. It holds the famous pair of open star clusters, h and Chi Persei. Also cataloged as NGC 869 (right) and NGC 884, both clusters are about 7,000 light-years away and contain stars much younger and hotter than the Sun. Separated by only a few hundred light-years, the clusters are both 13 million years young based on the ages of their individual stars, evidence that both clusters were likely a product of the same star-forming region. Always a rewarding sight in binoculars or small telescopes, the Double Cluster is even visible to the unaided eye from dark locations.
TOPICS: Astronomy; Astronomy Picture of the Day; Science
KEYWORDS: apod; nasa
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To: MtnClimber
2
posted on
08/07/2025 12:17:59 PM PDT
by
MtnClimber
(For photos of scenery, wildlife and climbing, click on my screen name for my FR home page.)
To: 21stCenturion; 21twelve; 4everontheRight; A Navy Vet; A_perfect_lady; abb; AFB-XYZ; AFPhys; ...
Pinging the APOD list
🪐 🌟 🌌 🍔
3
posted on
08/07/2025 12:19:17 PM PDT
by
MtnClimber
(For photos of scenery, wildlife and climbing, click on my screen name for my FR home page.)
To: MtnClimber
4
posted on
08/07/2025 12:24:15 PM PDT
by
No name given
( Anonymous is who you’ll know me as)
To: No name given
Yeh I’ve seen this double Cluster out in the mountains of N. Mexico. Some call them FA and FO.
5
posted on
08/07/2025 12:47:15 PM PDT
by
Gasshog
(x, marks my spot)
To: Gasshog
6
posted on
08/07/2025 2:19:05 PM PDT
by
telescope115
(Ad Astra, Ad Deum…)
To: MtnClimber
One of my favorite deep sky objects! It’s fun showing it to people through a low power eyepiece for the first time- it’s “My God, it’s full of stars” time.
7
posted on
08/07/2025 2:23:05 PM PDT
by
telescope115
(Ad Astra, Ad Deum…)
To: MtnClimber; All
8
posted on
08/07/2025 2:27:06 PM PDT
by
AFB-XYZ
(( We have two options: 1. Stand up, or 2. Bend over))
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