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- Thu Sep 26, 2024 1:12 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: The Great Globular Cluster in Hercules (2024 Sep 26)
- Replies: 30
- Views: 1485
Re: APOD: The Great Globular Cluster in Hercules (2024 Sep 26)
Many thanks for the feedback and interesting explanations. We were actually planning to create a Hertzsprung-Russell diagram from the image. We will add this to our homepage soon. When we revise the image again, we will take the blue horizontal branch into account. We did use “photometric color cali...