М89 < М90 > М91 ...
Spiral galaxy M90
Spiral galaxy M90 is in the constellation Virgo (Vir).
Equatorial coordinates (epoch J2000):
Visual magnitude: 9,5m
Optimum magnification for a telescope with observations of M90, depending on the aperture of the telescope (D), is about D/6-D/3. Higher magnifications of course add details, but lead to a strong drop in the brightness of the image, making it difficult to observe.
Nikolay Kurdyapin, astro-map.com
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