AR Cassiopeiae
DSS image of AR Cassiopeiae
Overlaid DSS image of AR Cassiopeiae, 60' x 60' with north at top and west to the right

Aladin viewer for the region around AR Cassiopeiae
AR Cas, BD+57 2748, HD 221253, HR 8926, WDS J23300+5833AB, SAO 35478, GSC 04011-01296, HIP 115990

Type  Star
Magnitude  4.886
Right Ascension  23h 30' 1.9"  (2000)
Declination  58° 32' 56" N
Constellation  Cassiopeia
Classification  B3V
Observing Notes

Andrew Cooper
Dec 1, 2021    Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 7 Transparency: 5 Moon: 0%

Blue-white, the double star catalogs go a little bit crazy here with multiple companions listed all the way down the alphabet to I, the C companion is the most notable as a 7th magnitude star visible 75" west, the double HJ1888 visible 1' northwest is listed as F and G, the C companion is actually C and D a 7/9mag 1.5" pair not split in tonight's conditions.

Reviewing what Gaia data is published to SIMBAD shows that much of this is a true dynamic system, the C, D, F, G, and I components sharing quite comparable proper motion and parallax, a multiple star system or a small cluster?
Other Data Sources for AR Cassiopeiae
Associated objects for AR Cassiopeiae
Nearby objects for AR Cassiopeiae
5 objects found within 120'
HD 220369 HJ 1888 King20
PK111-2.1 V398 Cassiopeiae
Credits...

Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.

A complete list of credits and sources can be found on the about page

AR Cassiopeiae