Rosette Nebula

Target: Rosette Nebula (Caldwell 49) located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy; Distance of about 5,200 light years from Earth

Main Scope / OTA: William Optics GT71 with WO Flat6 0.8x Flattener Reducer (~335mm FL)

Main Imaging Camera: ZWO ASI 071 MC Pro

AutoGuiding: ZWO ASI 120MM Mini mono guide camera + Altair Starwave 50mm guide scope

Mount: Celestron AVX

Control & Capture: ZWO ASIair (+SkySafari 6 Pro for GoTo [mount] control), controlled wirelessly via iPhone X

Main Imaging Camera Settings: Gain 120, 3min. subs, -20 cooling

Light Frames: 59 (2hr 57min)

Calibration Frames: 30 dark frames, 30 bias frames, 16 flat frames

Filter(s): STC Astro Duo-Narrowband (Hα + OIII)

Dew Control: Kendrick Astro Instruments dual channel controller, 2x Kendrick Premier heater straps (OTA + guide scope)

Stacking Software: DeepSkyStacker

Processing Software: Photoshop CC

Shooting Time/Date: 19:43, Jan. 3rd, 2019

Location: Backyard, Chicago Suburb, Bortle 5 (approx.)

Done