Per Dreyer, NGC 2841 (= John Herschel's GC 1823, 1860 RA 09 12 19, NPD 38 26.0) is "very bright, large, very much extended 151°, very suddenly much brighter middle equivalent to 10th magnitude star". The position precesses to RA 09 22 01.4, Dec +50 58 32, within 0.2 arcmin of the center of the galaxy, so the identification is certain. With a recessional velocity of only 640 km/sec, peculiar (non-Hubble expansion) velocities make the 30 million light year redshift-based distance estimate very uncertain. So it is hardly surprising that the result is not in very good agreement with redshift-independent distance estimates of 40 to 85 million light years (not that those are in much agreement with each other, either). The most generally agreed-upon distance is about 46 million light years. Using that distance and the galaxy's apparent size of 8.1 by 3.5 arcmin, NGC 2841 would be about 110 thousand light years across; but it is usually stated as being 150 thousand light years across, suggesting that larger distance estimates are still in general use. NGC 2841 has a relatively small number of hot, bright young stars lining its spiral arms, and few regions filled with heated gas lit up by such stars. This has led to the suggestion that perhaps an earlier stage of intense star formation swept gas that might form newer stars out of the central regions of the galaxy. This idea appears to be borne out by Chandra X-ray images of the galaxy, which show that its halo is filled with clouds of multi-million degree gases blown out of the galaxy at some time in the past. NED lists NGC 2841 as a Seyfert galaxy (type Sy 1), and as an "isolated" galaxy, meaning there are no other galaxies or galaxy groups in its general neighborhood.

The first IC adds "Bigourdan's #153: RA 09 13 15, NPD 104 06, very faint, stellar, is doubtless = 2846".