The sun is light source #2 along with the 2nd letter in the 5-letter message. The card's info says:
Light Source - "H"
This card can only be placed on the field by the effect of "Light Source - S".
1 month, 3 weeks ago
29 Mar 2018 16:06 CEST
Full Size: 491524913de855b2d2666ab515def12e