Location of Photo:
Teide volcano, Tenerife island
Date/Time of photo:
2019/11/11 from 12h35 UT to 18h04 UT
Celestron 90 scope stopped at focal ration 15.2 and Sony Alpha 7R DSLR, Astrosolar Gr5 filter, Star Adventurer equatorial mount..
One picture every 10 minutes. Elevation of the observation place : 6300 feets.