July 2025
- Focal Plane (26)
- One Good Target (31)
- Rick's Picks (32)
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Neutrino Astronomy In Greenland and Antartica
Not all telescopes use light to observe the universe. Some, like ice cubes, the RadioNeutrino Observatory in Greenland (RNO-G) and the Payload for Ultrahigh…
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Astronomy Fundamentals: What Possessed You to Build Your Own Telescope
Amateur astronomy used to be associated with making your own telescope. Stellafane in Vermont still pays homage to the art of telescope making and…
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A Globular Cluster in Southern Ophiuchus (M9)
July 2025 · With side trips to a deep red carbon star and a trio of close doubles
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July ’25 – Rick’s Picks
All month: the evening sky belongs almost exclusively to Mars again this month, with Mercury playing a supporting role after sunset until mid-July, about…