21 Sagittarii
DSS image of 21 Sagittarii
Overlaid DSS image of 21 Sagittarii, 60' x 60' with north at top and west to the right

Aladin viewer for the region around 21 Sagittarii
21 Sgr
BD-20 5134, HD 169420, HR 6896, WDS J18254-2033AB, SAO 186794, GSC 06274-01663, HIP 90289

Type  Star
Magnitude  4.8
Right Ascension  18h 25' 21.1"  (2000)
Declination  20° 32' 30" S
Constellation  Sagittarius
Classification  K1/2III
Observing Notes

Andrew Cooper
Sep 16, 2020    Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 5 Transparency: 6 Moon: 11%

Orange, the 7th magnitude 1.7" companion is not visible, in rich galactic starfield
Other Data Sources for 21 Sagittarii
Nearby objects for 21 Sagittarii
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

21 Sagittarii