• @lefty7283OPMEnglish
    2•2 years ago

    Decided to go after something more obscure since I’ve got terrible horizons and I’ve already shot a lot of the brighter things in this part of the sky. There’s also a number of other galaxies in the uncropped background. Captured on July 22-26th, 2023 from my bortle 8 apartment balcony.

    Places where I host my other images:

    Instagram | Flickr

    Equipment:

    • TPO 6" F/4 Imaging Newtonian

    • Orion Sirius EQ-G

    • ZWO ASI1600MM-Pro

    • Skywatcher Quattro Coma Corrector

    • ZWO EFW 8x1.25"/31mm

    • Astronomik LRGB+CLS Filters- 31mm

    • Astrodon 31mm Ha 5nm, Oiii 3nm, Sii 5nm

    • Agena 50mm Deluxe Straight-Through Guide Scope

    • ZWO ASI-120mc for guiding

    • Moonlite Autofocuser

    Acquisition: 13 hours 1 minutes (Camera at half Unity Gain, -15°C)

    • L- 374x60"

    • R - 150x60"

    • G - 151x60"

    • B - 148x60"

    • Darks- 30

    • Flats- 30 per filter

    Capture Software:

    • Captured using N.I.N.A. and PHD2 for guiding and dithering.

    PixInsight Processing

    • BatchPreProcessing

    • StarAlignment

    • Blink

    • ImageIntegration

    Luminance Linear:

    • DynamicCrop

    • DynamicBackgroundExtraction

    • BlurXTerminator

    • NoiseXterminator

    • ArcsinhStretch+HistogramTransformation to bring nonlinear

    RGB Linear:

    • DynamicCrop

    • DynamicBackgroundExtraction

    • ChannelCombination

    • SpectrophotometricColorCalibration

    • HSV Repair

    • DeepSNR

    • Slight SCNR green

    • AcrsinhStretch + HistogramTransformation to stretch nonlinear

    Nonlinear:

    • added stretch luminance to stretched RGB via LRGBCombination

    • DeepSNR

    • shitloads of CurveTransformations to adjust hue, lightness, saturation, etc. (some with lum masks)

    • DynamicCrop again

    • annotation