SH2 275 – Rosette Nebula

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SH2 275 – Rosette Nebula

Was able to combine some RGB and SHO data over October and November for a nice shot of Rosette Nebula.  Was really happy to learn a few new processes to add back my RGB star data to the nebulosity of this target.  The RASA is crazy at collecting data at such a fast pace.

Location

Location:  Pendleton, Oregon
Observatory:  NexDome 2.2m
Bortle:  4

Equipment

Telescope: Celestron RASA 11 (620mm focal @ f/2.2)
Filters:  Astronomik MaxFR 50x50mm Square SHO & Deep Sky RGB
Main Camera:  ZWO ASI 6200mm-pro Monochrome
Tilt & BackFocus Adjuster:  ASG Electronically Assisted Tilt (EAT)
Mount:  iOptron CEM 120EC
Guide Scope:  William Optics 50mm Uniguide
Guide Camera:  ZWO ASI 290mm-mini
Processing Software:   Captured with NINA, Stacked with Astro Pixel Processor,  Processed in PixInsight

Acquisition

Date: October 14 to November 8, 2024
R:  19 x 60 seconds
G:  27 x 60 seconds
B:  25 x 60 seconds
Ha:  48 x 300 seconds
Sii:  41 x 300 seconds
Oiii:  102 x 300 seconds

Total Integration time ~17.1 hrs

Calibration Bias: 20
Calibration Dark: 20
Calibration Flats: 25 for each filter