In this workflow I used Ha narrowband as integration for Luminance and Red channel, and Oiii narrowband master as integration for Green and Blue channel as according to Kayron Mercieca, cfr.: https://www.lightvortexastronomy.com/tutorial-combining-lrgb-with-narrowband.html Approved subframes detailed list (PixInSight weighted) resumed gathered by filter, all by Astronomic, recorded between 28/10/2021 and 25/04/2023. Ha: 226 x 180″ -20C: 141 gain 139, 85 gain 173 Oiii: 159 x 180″ -20C: 94 gain 139, 65 gain 173 L: 636 x 60″ -20C: 553 gain 139, 83 gain 173 G: 532 x 60″ -20C: 373 gain 139, 159 gain 173 B: 500 x 60″ -20C: 298 gain 139, 202 gain 173 R: 614 x 60″ -20C: 438 gain 139, 176 gain 173
Telescopi o obiettivi di acquisizione: William Optics RedCat 51 Petzval APO · Williams Optics Zenithstar 61 APO Camere di acquisizione: ZWO ASI183MC Pro · Canon EOS 550D Full Spectrum ir cut Montature: Skywatcher EQ35M Telescopi o obiettivi di guida: QHYCCD QHY Mini Guide Scope Camere di guida: QHYCCD QHY5L-II-C Riduttori di focale: William Optics Adjustable Flattener Flat61 Software: Stark Labs Phd2 · Photoshop · Adobe Lightroom · Astroberry · Pleiades Astrophoto PinInsight · KStars Ekos/INDI, Astroberry OS Filtri: SVBONY CLS 2” · Optolong UHC 2″ Accessorio: SVBONY Filter Wheel 2″
Drizzle data integration of double source of lights: William Optics Zenithstar 61/Canon EOS550d Full Spectrum IR Cut > CLS filter by Svbony at ISO400, 600sec William Optics Redcat 51/ASI183MC-Pro > UHC filter by Optolong at Gain180, 300sec Frames recorded from 14/02/2021 to 07/04/2021
Telescopi o obiettivi di acquisizione: Williams Optics Zenithstar 61 APO Camere di acquisizione: Canon EOS 550D Full Spectrum ir cut Montature: Skywatcher EQ35M Telescopi o obiettivi di guida: QHYCCD QHY Mini Guide Scope Camere di guida: QHYCCD QHY5L-II-C Riduttori di focale: William Optics Adjustable Flattener Flat61 Software: Photoshop · Adobe Lightroom · Astroberry · Pleiades Astrophoto PinInsight · KStars Ekos/INDI, Astroberry OS · Stark Labs Phd2 Filtri: SVBONY CLS 2” Accessorio: SVBONY Filter Wheel 2″
Date:29 Marzo 2021 Pose: 26×300″ Integrazione: 2.2 ore Giorno lunare medio: 15.57 giorni Fase lunare media: 99.27%
M101 (NGC5457), NGC5474 Canon EOS550d Full Spectrum IR cut on William Optics Zenithstar 61 ISO400 300sec, with full moon and some smoggy air-pollution, 2″ CLS filter by Svbony
Drizzle data integration by PixinSight of 22 frames of 600sec at ISO400, 2″ filter by Optolong fro UHC. Cropping of wider field for M101 focusing by Lightroom.
