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spectral differences – gold and blue-green
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in: Comets
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- 4 years, 5 months ago
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PQ And in very rare outburst
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in: Variable Stars
- 12
- 43
- 4 years, 6 months ago
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Another bright possible supernova (NGC4457)
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in: Deep Sky
- 1
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- 4 years, 6 months ago
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Observability Tool
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in: General Discussion
- 3
- 3
- 4 years, 6 months ago
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Instrument response with Lhires
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in: Spectroscopy
- 4
- 19
- 4 years, 6 months ago
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Zeeman effect in sunspots?
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in: Spectroscopy
- 3
- 5
- 4 years, 6 months ago
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How to validate observations
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in: Spectroscopy
- 3
- 9
- 4 years, 6 months ago
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A ring around a red star
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in: Imaging
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- 9
- 4 years, 6 months ago
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Request for monitoring of X Per
1
2
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in: Spectroscopy
- 6
- 31
- 4 years, 6 months ago
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Photometric filters
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in: Photometry
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- 4 years, 7 months ago
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CMOS v CCD for photometry?
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2
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in: Exoplanets
- 9
- 21
- 4 years, 7 months ago
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VSS Circular 184 now available
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in: Variable Stars
- 3
- 4
- 4 years, 7 months ago
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Super Nova 2020 hvf in NGC 3643
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in: Variable Stars
- 7
- 7
- 4 years, 7 months ago
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SBIG ST Parallel Port Cameras
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in: Imaging
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- 4 years, 7 months ago
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SU UMa is unusually quiet currently
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in: Variable Stars
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- 2
- 4 years, 8 months ago
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Large TV Dishes
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in: Radio Astronomy
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- 4 years, 8 months ago
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software for finding faint asteroid tracks
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in: Asteroids
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Sigma Bootis
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in: Spectroscopy
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- 4 years, 8 months ago
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Webinar times
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in: Website News and Help
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- 4 years, 8 months ago
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spectral differences – gold and blue-green
