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Abell 4
Abell 4 by Kathy Walker
NASA Chandra X-ray Observatory
Read noise AstrophotographyJohn StoneQuinn Groessl
Equipment item: telescope.
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John Stone
What to do when your very first astro-image shows up on the NASA website?
NASA Chandra X-ray ObservatorySky-Watcher EQ6-R ProNarrowband +1
John Stone
Last post: Read noise Astrophotography
Read noise Astrophotography
Quinn Groessl
3213
Apr 29, 2025
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