color hunter

related tags: 170E0D 1C0A08 59262D 5B2319 730D1A 753F46 7C0D00 8D424D A24332 B31C32 C07981 DA1B00 E45566 F08E7B FF6640 a5000 alpha astronomy astrophotography constellation duo duonarrowband ed80 emission heart heartandsoul heartandsoulnebula heartnebula hydrogen lenhance luminosity majestic narrowband nebula night optolong outer red rosette samyang135mm sky skywatcher soul soulnebula space telescope 201717 251213 774735 912431 993713