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[Starless] NGC 2237 (Rosette Nebula)

Astrophotography DSO DSLR Imaging Refractor

[Starless] NGC 2237 (Rosette Nebula)

Target: NGC2237
Date: 2024-01-12
Location: San Antonio, TX (Bortle class 7)
Mount: IOptron SkyGuider Pro
Camera: Nikon D5300 astromod
OTA: William Optics Zenithstar 61II + Field Flattener FLAT61A
Focal/Aperture: 360 mm @ f/5.9
Filter: Radian Telescopes 2" Triad Ultra Quad-Band Narrowband Filter
H-beta:5nm, OIII:4nm, H-alpha:4nm, SII:4nm
Guide scope: William Optics Uniguide 32mm
Guide camera: ZWO ASI120MM mini + ASIair Pro

Lights: 40x600s (total exposure: 6h40)
Calibration frames: 13xdarks, 20xflats, 20xbiases
ISO 1600
Stacked and Processed in PixInisght.

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