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4 messages added in the last 7 days
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  • Re: Psi Virginis nebula - confirmed

    Hi Victor Thank you for posting about this unusual nebula. My guess is the Psi Virginis nebula is part of the much larger weak HII region illuminated by Spica

    galaktos30080 11 hours ago
  • Re: online spectra of deep sky objects, digital data

    Hello, Roger, NED ( https://ned.ipac.caltech.edu/ ) has a lot of spectra, many in the visual range, of galaxies. You can retrieve the spectra in several

    hcorwin1153@sbcglobal.net 3 days ago
  • online spectra of deep sky objects, digital data

    Hi, Can anyone tell me if there is a source where I can get digital spectra of deep sky objects over the visible wavelength range? Simple ascii files will do.

    visastro 4 days ago
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A retromoderated mailing list dedicated to the discussion of visual observing in amateur astronomy.

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  • 763
  • Astronomy
  • May 18, 1999
  • English

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