Steve By: Steve

Located in the constellation Triangulum, M33 (messier 33) is a galaxy often used to determine how dark an observing site is. If M33 can be seen visually (without optical aid) then the observation site is very dark, the degree of nebulosity observed allows a gauge to be made of the sites visual 'seeing' magnitude.

This is a few frames grabbed at my local dark site and stacked. I had some mount issues, hence this image is not as good as it could be. Too much noise, not enough frames.

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  • 4y

    Hello, this is the blind astrometry solver. Your results are:
    (RA, Dec) center:(23.3189548473, 30.6356323025) degrees
    (RA, Dec) center (H:M:S, D:M:S):(01:33:16.549, +30:38:8.276)
    Orientation:164.82 deg E of N

    Pixel scale:7.03 arcsec/pixel

    Parity:Reverse ("Left-handed")
    Field size :74.95 x 48.13 arcminutes
    Your field contains:
    NGC 598 / M 33 / Triangulum galaxy

    View in World Wide Telescope

    If you would like to have other images solved, please submit them to the astrometry group.
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Uploaded on November 7, 2010
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