The Cygnus Wall

Sky at Night Magazine - - HOTSHOTS -

ALAN RITHAMER, HULL, 4-5 AUG 2018

Alan says: “Af­ter read­ing var­i­ous fo­rums I de­cided to in­crease the ex­po­sure time on the cam­era to three min­utes on the Ha fil­ter, us­ing the Unity Gain on the cam­era set­ting at –20. A high-pres­sure weather sys­tem and clear skies were key to this image, plus a help­ing of luck!”

Equip­ment: ZWO ASI 1600MM cool cam­era, Sky-Watcher Es­prit 100 ED Pro triplet refractor, Sky-Watcher NEQ6 Pro SynS­can mount Ex­po­sure: 30x3’ Ha, 30x2’ OIII, 30x2’ SII Soft­ware: Deep­SkyS­tacker, PixIn­sight, Photoshop

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