Part 98 - Halo observations at Lhapso Dzong on 06/05/1947

1 page

SUMMARY:
Seen at 10.00 hrs at Lhapso Dzong (Lat. 29° 05', Long. 92° 30', Altitude c 11500'), a white halo and rainbow coloured arcs near the zenith (about 70°) were recorded, with segments noted as JKLM (white halo), ABCD and AECF (rainbow coloured), and GH. The display was visible for about one hour and faded to about 25° of slightly bent, rainbow coloured halo; a hill was about 45°.

CONTENT:
Seen at
10.00 hrs - 9½

6. 5. 47
      Lat. 29° 05'
      Long. 92° 30'
      Lhapso Dzong
      Altitude c 11500'

White halo
Zenith
About 70°

JKLM }
ABCD } All together
GH } first

AECF Added after ½ hour
When portion at A became very bright indeed

JKLM white halo

ABCD }
AECF } rainbow coloured.
GH }

fade out here:
about 25° of rainbow coloured halo, slightly bent.

The whole was visible for about one hour.

Hill
About 45°

Observer.