The sky around AM 910-235 at true scale, north up and east left, with stars to magnitude 8. The circles show the field of a low-power eyepiece and of 10×50 binoculars.
AM 910-235 is a lenticular galaxy in Hydra, 31 million light-years away
AM 910-235 (NGC 2784, PGC 25950, MCG-04-22-005) is a lenticular galaxy in the constellation Hydra, 31 million light-years away. It shines at magnitude 10.1 and spans 5.5′ × 2.2′ of sky, about 49,900 light-years across. It is a telescope object, 6 inches or larger, and it is highest in the evening sky in March.
Galaxy: a system of billions of stars, gas and dust held together by gravity, far outside the Milky Way. Spiral galaxies have a disk with arms; elliptical galaxies are smooth, round or oval swarms of older stars.
AM 910-235 is AM 910-235 in the Arp-Madore catalog
Halton Arp and Barry Madore listed it in A Catalogue of Southern Peculiar Galaxies and Associations (1987), from their search of the UK Schmidt southern sky survey plates. The number 910-235 is its position: right ascension 9h 10m and declination -23.5°.
Finding AM 910-235 from Alphard
AM 910-235 lies 15.9° south of Alphard, the magnitude 2.0 star. A fist held at arm's length covers about 10°.
AM 910-235 is highest in the evening in March
The chart gives its height above the horizon at 9 pm through the year, from 60°N to 40°S. It can be seen from the whole southern hemisphere and north to about 66°N, and never sets south of 66°S.
AM 910-235 is 31 million light-years away
The light seen from AM 910-235 tonight left it about 31 million years ago, long before modern humans existed. It ranks 38 of 490 by distance among the Arp-Madore galaxies on Go Astronomy with a measured distance. Distance source: Cosmicflows-4 (Tully et al. 2023), SBF.
