M27 Dumbbell Nebula, RC 10" (4000 mm) Test

M27 DUMBBELL NEBULA, RC 10" (4000 MM) TEST Telescope or Lens: ORION RC 10" f/8 (2000mm) Camera: QHY163M Mount: EQ6R-PRO Guide Scope: Astromania OAG Guide Camera: QHY5III290M Software: SharpCap, DeepSkyStacker Accessories: Zhumell 2" 2x ED Barlow ~ 70 mm, L-Pro Filter Frisco, United States Light Pollution: Red zone Exposure: 15 x 120" ISO/Gain: 264 - Offset: 64 Тест ORION RC 10" с 2х Barlow f=4000mm. Гидирование f=2000mm ок. 0.5-0.6 арксек/SUB. В углах заметны искажения (растягивание) звезд, и виньетирование. Viewer link: https://deepskyhosting.com/r01pexL Author: Peter Tiagunov