The FoV of one Chandra observation (OBSID:6566) is so weird.
Dear ESASky User,
The issue has been fixed by the Chandra team.
Many thanks for contacting us and using ESASky!
Debbie on behalf of the ESASky team
Yes, many thanks, we are aware of the irregular Chandra footprints/FoVs and we have already contacted them about it. We hope they will fix the issue soon.
Customer support service by UserEcho