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

Aladin viewer for the region around 21 Ophiuchi
21Oph
BD+01 3323, HD 152127, HR 6255, SAO 121911, HIP 82480, WDS J16514+0113AB

Type  Star
Magnitude  5.5
Right Ascension  16h 51' 25.0"  (2000)
Declination  1° 12' 57" N
Constellation  Ophiuchus
Classification  A0V
Observing Notes

Andrew Cooper
Jun 17, 2020    Waikoloa, HI (map)
28cm f/10 SCT, NexStar 11" GyPSy @ 127x
Seeing: 7 Transparency: 6 Moon: 0%

Brilliant white, a 7th magnitude 0.8" companion is not visible, the nice double Σ2105 is visible 4' south
Other Data Sources for 21 Ophiuchi
Associated objects for 21 Ophiuchi
Nearby objects for 21 Ophiuchi
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 Ophiuchi