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... М45 < М46 > М47 ...
Open star cluster M46
Open star cluster M46 is in the constellation Puppis (Pup).
Equatorial coordinates (epoch J2000):
Visual magnitude: 6,5m
Optimum magnification for a telescope with observations of M46, 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.
The best month for observing M46 is February. At this time, the object is at midnight near its highest point in the sky, that is, it is less affected by light from the lanterns and atmospheric distortions.
Nikolay Kurdyapin, astro-map.com
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