Best of Gallery

Object: LDN1235, The Dark Shark Optic: Skywatcher Esprit 100/550 Refractor Flatner: Skywatcher Esprit 100/550 Flattner Filter: Baader 50mm RGB Camera: SBIG STL11000M C2 at -20°C Capture/Guiding: SGP (Sequencing, Autofocus, Dithering, FlatWizard), PHD2 Exposure: total 9.6h L 64x4min + 28 from RGB, R 19x4min, G 33x4min, B 28x4min, 81x Dark, 121x Bias, RGB 3x21x Flat, L 41x Flat Date1/Location1: 2018-08-15, Osttirol Date2/Location3: 2017-08-16, Osttirol Image Processing Pixinsight: ImageCalibration, CosmeticCorrection, StarAlignment (BicubicSpline CT=0,1), ImageIntegration, ChannelCombination, DynamicBackgroundExtraction, MaskedStretch, MultiscaleLinearTransform for RGB, SCNR, LRGB-Combination Starnet from Nikita Misiura PS: NIK Dfine2 noise reduction, maskedScreen Layer (SMI), Levels, maskedMinimumFilter, colorSaturation, Levels

Object: NGC1499, California Nebula Optic: BA200 (200/584mm Newton f/2.9) + Newtonmaster, ASA 0,73x Newton Coma Corrector Camera: Moravian G2 8300 @-30°C, EFW-2S-10, Moravian OAG Filter: Baader 36mm Filter, Ha, SII, OIII Exposure: total 4.5h, Ha 20x8min, SII 7x8min, OIII 7x8min, 21x Dark, 203x Bias, 51x Flat(Ha), 51x Flat(OIII) Guiding: QHY5L-II, PHD2 Date/Location: 2016-12-30, Zirndorf Image Processing: Pixinsight: ImageCalibration, CosmeticCorrection, ImageRegistration, ImageIntegration, ChannelCombination SHO (Hubble), TGVDenoise for SHO, STF-Stretch for SHO Startools: Heal (starremoval) for SHO; DDP, Decon and Denoise for Ha PS: Curves, HueSaturation, maskedColorBalance, LuminanceLayer, Curves, Dynamic, maskedColorBalance, maskedSoftLight, maskedMinimumFilter, maskedHighpassSharping, unsharpMasking, maskedDynamic CRAW: final tweaks

Object: NGC6914 Optic: NON1000 (200/1000mm Newton f5), TS Coma Correktor Maxfield Mount: Skywatcher AZ-EQ6 Camera: ZWO ASI2600MC Pro @-10°C, Gain=100, Offset=50 Filter: none Exposure: total 4,5h, 67x4min, 180xBias, 41x Darks, 51x Flat Color: osc Capture: INDILib, INDIStarter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat) Guiding: ZWO-OAG 16.5mm, ASI120MM-S, PHD2, EQMOD Date/Location: 2020-08-20, Kreben Image Processing: PI: BatchPreprocessingScript, DBE, HistrogramTransformation, Arcsinhtretch, PhotometricColorCorrection, Curves, DarkStructureEnhance Script RawTherapee: Denoise, Saturation, Exposure (not applied to all versions) PS: maskedHueSaturation, maskedCurves, Levels, Dynamic, maskedHighPassSharping, Curves, masedkHueSaturation, maskedMinimumFilter, masked NIK Define2 Noise Reduction, maskedHighPassSharping, Levels, maskedDynamic, blend of another version Observer: Thomas Jäger, www.starhopper.eu

Object: NGC1499, California Nebula Date2/Location2: 2017-10-18, Zirndorf Optic: Skywatcher Esprit 100/550 Refractor Flatner: Skywatcher Esprit 100/550 Flattner Filter: Baader 50mm LRGB Camera: SBIG STL11000M C2 at -20°C Capture/Guiding: Nebulosity3, PHD2 Exposure: L 24x10min, 118x Bias, 31x Darks, 27x Flat Color was optained from a previous image: Date1/Location1: 2016-12-30, Zirndorf Optic: BA200 (200/584mm Newton f/2.9) + Newtonmaster, ASA 0,73x Newton Coma Corrector Camera: Moravian G2 8300 @-30°C, EFW-2S-10, Moravian OAG Filter: Baader 36mm Filter, Ha, SII, OIII Exposure: Ha 20x8min, SII 7x8min, OIII 7x8min, 21x Dark, 203x Bias, 51x Flat(Ha), 51x Flat(OIII) Guiding: QHY5L-II, PHD2 Image Processing (Date2) Pixinsight: ImageCalibration, CosmeticCorrection, ImageRegistration (BicubicSpline CT=0,1), ImageIntegration, MureDenoise, ImageRegistration (and rescaling) of color image from Date1 ST: DigitalDevelopment, Tracking, NoiseReduction, Mask, Magic (StarShrink) not for all versions PS: artificial expansion of color data (color image had a smaller field of view), maskedHueSaturation, maskedDynamic, LuminanceLayer, maskedSoftLight, maskedBlend of color image, Levels, Curves, unsharpMasking

Object: B163 (LDN 1103, Barnard 163SW) Optic: CA300 (300/1200mm Newton f4), GPU Corrector Mount: Skywatcher EQ8 Camera: ZWO ASI 183MM-C @ -20°C, Gain=53, Offset=10 Filter: ZWO EFW 7x36mm, Baader 36mm Filter Exposure: total 11,5h, Ha 123x4min, R 17x4min, G 17x4min, B 16x4min 183xBias, 51x Darks, 41x Flats per channel Color: Ha-RGB Date1/Location1: 2018-10-14, Zirndorf Date2/Location2: 2018-10-08, Zirndorf Capture: INDI Lib, INDI Starter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat) Guiding: TS-OAG 9mm, ASI120MM, PHD2 Image Processing: PI BatchPreprocessingScript, CosmeticCorrection, StarAlignment, Blink, ImageIntegration, BackgroundNeutralization, SCNR, MaskedStretch, ChannelCombination, PixelMath, TGVDenoise, RangeSelection Startools Magic

Object: M17 Omega Nebula Optic: NON1000 (200/1000mm Newton f5), GPU Corrector Mount: Skywatcher AZ-EQ6 Camera: ZWO ASI 1600MM-C @ -20°C, Gain 75, Offset 15 Filter: ZWO EFW 7x36mm, Baader 36mm Filter Exposure: total 4.4h, L 32x4min + 11x4min from RGB, R 11x4min, G 11x4min, B 12x4min 327xBias, 48x Darks, 31x Flat(L:R:G:B) Color: L-RGB Capture: SGP (Sequencing, Autofocus, Dithering, FlatWizard) Guiding: TS-OAG 9mm, ASI120MM, PHD2 Date1/Location1: 2017-08-21, Austria Date2/Location2: 2017-08-23, Austria Image Processing: Pixinsight: BatchPreprocessingScript (calibrate only), CosmeticCorrection, StarAlignment, Blink, ImageIntegration, ChannelCombination, DBE for RGB, MaskedStretch, STF-Stretch for RGB, MaskedStretch for L, LRGBCombination ST: Magic (starshrink) PS: Starremoval for L-RGB, LuminanceLayer, Dynamic, Curves, makedHighPassSharping, maskedShadowAndHighlights, Levels

Object: IC443 Optic: CA300 (300/1200mm Newton f4), Keller 3" Wynne Corrector Mount: Skywatcher EQ8 Camera: ZWO ASI6200MM Pro @-10°C, Offset=50 Filter: Baader Ha, SII, OIII, R, G, B Exposure: total 16h, Gain 100: Ha 124x4min, SII 54x4min, OIII 61x4min Gain 0: R 13x1min, G 13x1min, B 13x1min 188xBias, 41x Darks, 41x Flats per Channel and Night Capture: INDILib, INDIStarter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat) Guiding: ZWO M68 OAG, QHY5L-II, PHD2, EQMOD Date1/Location1: 2022-02-28, Zirndorf Date2/Location2: 2022-03-02, Zirndorf Date3/Location3: 2022-03-04, Zirndorf Image Processing: PI: WeightedBatchPreprocessingScript, cosmeticCorrection, starAlignment, DBE, SCNR, EZ Denoise, EZ Softstretch, ArcsinhStretch and PhotometricColorCorrection for RGB, Starnet PS (not complete applied to all versions) CloneStamp, SHO ChannelCombination, selectiveColors, 2x maskedDynamic, blend RGB Stars, Levels, Curves, maskedCurves, masked NIK ColorEfexPro Detail Extractor Observer: Thomas Jäger, www.starhopper.eu

Object: M45 Optic: Skywatcher Esprit 100/550 Refractor Flattner: Skywatcher Esprit 100/550 Flattner Camera: Canon EOS 6D Exposures: total 3h, 46x4min @ ISO800, 67 Flatfields, 81 Bias, 0 Darks Control: APT-Tool Guiding: 8x50mm Finder, ASI120MM, PHD-Guiding Date: 2017-02-24, Kreben Pixinsight: BatchPreprocessingScript, STF-Stretch PS: Levels, ColorBalance, maskedHighPassSharping, CloneStamp, maskedMinimumFilter, Dynamik, HueSaturation CRAW: final tweaks

Object: NGC7635 Bubble Nebula Optic: CA300 (300/1200mm Newton f4), GPU Corrector Mount: Skywatcher EQ8 Camera: ZWO ASI 183MM-C @ -20°C, Gain=200, Offset=10 Filter: ZWO EFW 7x36mm, Baader 36mm Filter Exposure: total 10.5h , Ha 69x4min, OIII 49x4min, SII 39x4min 183xBias, 51x Darks, 41x Flats per channel Color: SHO Date1/Location1: 2018-10-15, Zirndorf Date2/Location2: 2018-11-05, Zirndorf Capture: INDI Lib, INDI Starter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat) Guiding: TS-OAG 9mm, ASI120MM, PHD2 Image Processing: PI: BatchPreprocessingScript, Blink, CosmeticCorrection, ImageIntegration, STF-Stretch, ChannelCombination Starnet from Nikita Misiura: Starless Image, Mask PS: SelectiveColors, HLVG, Dynamic, CRAW, 2x maskedDynamic, maskedMinimumFilter

Object: B71 The Snake, B68, B69, B70, B74 Optic: Baader APO 95/560 CaF2 Travel Companion Mount: Skywatcher AZ-EQ6 Camera: ZWO ASI 1600MM-C @ -18..20°C, Gain=75, Offset=15 Filter: ZWO EFW 7x36mm, ZWO 36mm Filter Exposure: total 3.1h, L 17x4min + 5x4min from RGB, R 11x4min, G 12x4min, B 7x4min, 121xBias, 15x Darks, 31x Flat per Channel Date1: 2018-07-11 Date2: 2018-07-12 Location: ATHOS Centro Astronómico S.L., La Palma Capture: Sequence Generator Pro Guiding: Finderscope, ASI120MM, PHD2 Image Acquisition: Thomas Jaeger Image Processing: Thomas Jaeger PI: BatchPreprocessingScript, Blink, StarAlignment, CosmeticCorrection, ImageIntegration, ChannelCombination STF-Stretch, HistogramTransformation, LRGB-Combination PS: Curves, Levels, maskedLevels, maskedHueSaturation, maskedDynamic, Levels, maskedMinimumFilter

Object: NGC7000, IC5070 Optic: Optic: Canon EF 70-200/2,8 L IS II USM @135mm, f/2.8 Camera: ZWO ASI 1600MM-C @ -20°C, Gain 300, Offset 50 Filter: ZWO EFW 7x36mm, ZWO 36mm Filter, RGB, Ha, SII, OIII Exposure: total 6.3h, Ha 90x2min, OIII 53x2min, SII 47x2min, R 15x30s, G 15x30s, B 15x30s 200x Bias, 52xDarks(2min) 63xDarks(30s), 31:31:31x Flat(Ha:SII:OIII) Color: HOO Capture: SGP (Sequencing, Dithering, FlatWizard) Guiding: 50mm Finder, ASI120MM, PHD2 Date1/Location1: 2017.06.18, Zirndorf Date1/Location1: 2017.06.19, Zirndorf Image Processing: Pixinsight: BatchPreprocessingScript (ImageCalibration, ImageIntegration, CosmeticCorrection), StarAlignment, Blink, ImageIntegration, DBE, MaskedStretch, HistogramTransformation Startools: Starremoval: Mask, Heal Starshrink: Magic PS: channels, levels, curves, selectiveColors, shadowsAndHighlights for L, LuminanceLayer, 2xmaskedHueSaturation, maskedHighPassSharping, maskedSoftLight, maskedHueSaturation, blendRGBStars, Levels CRAW: Color improvements

Object:M27 Dumbbell Nebula Optic: NON1000 (200/1000mm Newton f5), GPU Corrector Mount: Skywatcher AZ-EQ6 Camera: ZWO ASI 1600MM-C @ -20°C, Gain 75, Offset 15 Filter: ZWO EFW 7x36mm, Baader 36mm Filter Exposure: total 7h, Ha 43x4min, OIII 27x4min, R 23x2min, G 23x2min, B 23x2min 327xBias, 48x Darks(2min:4min), 31x Flat(Ha:OIII:L:R:G:B) Color: Ha-OIII,RGB Capture: SGP (Sequencing, Autofocus, Dithering, FlatWizard) Guiding: TS-OAG 9mm, ASI120MM, PHD2 Date1/Location1: 2017-08-13, Zirndorf Date2/Location2: 2017-08-14, Zirndorf Date3/Location3: 2017-08-20, Austria Date4/Location4: 2017-08-21, Austria Image Processing: Pixinsight: BatchPreprocessingScript (calibrate only), CosmeticCorrection, StarAlignment, Blink, ImageIntegration, ChannelCombination, DBE for RGB, PhotometricColorCalibration, STF, MaskedStretch, HT-Stretch, HDRMultiscaleTransform for NB-Channels PS: StarRemoval for NB-Channels, Blend of NB-Channels matching visual spectrum according to Debra Ceravolo: Curves and GradientMap as clipping mask, 2x ShadowsAndHighlights, HighPassSharping, MinimumFilter, ColorBalance

Object: Sunspots 2109, 2108 2110 Optic: 115/805mm Refractor, Baader Herschel Cool Ceramic, Herschel Prism, ND 0.9 + SolarContinuum Filter, 2x Barlow Camera: ZW Optical ASI120MM Binning=no ROI=1280x960 FPS (avg.)=31 Shutter=0.157ms Gain=0 Gamma=50 Exposures: 100 of 2400 frames Processing: Autostakkert2: multipoint, drizzle 1.5x, conv Image PS: mixing, color, unsharpMask Date: 2014-07-06-6h59mUT, Zirndorf

Object: NGC6992 Optic: BA200 (200/584mm Newton f2.9) + Newtonmaster Correktor: Keller 2" 0,73x Camera: Moravian G2 8300 FW at -35°C Exposure: 13x8min H-Alpha, 23x8min OIII Guiding: TS OAG + I-Nova PLA-Mx 310Kp Processing: Pixinsight, PS BiColor: R=Ha G=0.25*Ha+ 0.75*OIII B= OIII Date: 17.09.2012, Zirndorf

Object: M42 Orionnebel Optic: NON1000 (200/1000 Newton f/5) + GPU Coma Corrector Camera: Moravian G2 8300 @-30°C, EFW-2S-10, Moravian OAG Filter: Baader 36mm Filter, RGB Exposure: total 0,8h , R 7x2min, G 7x2min, B 7x2min, R 7x20s, G 7x20s, B 7x20s, 37x Dark, 200x Bias, 51x Flat, Guiding: QHY5L-II, PHD2 Date/Location: 2016-12-29, Kreben Image Processing: Pixinsight: ImageCalibration, CosmeticCorrection, ImageRegistration, ImageIntegration, ChannelCombination, HistogramStretch, MureDenoise für RGB2min PS: Combination of 120s and 20s Image, maskedDynamic, ColorBalance, 2xmaskedHighPasssharping, Levels, maskedUnsharpMasking CRAW: final tweaks

Object: vdB142 Optic: CA300 (300/1200mm Newton f4), TS Coma Corrector Maxfield Mount: Skywatcher EQ8 Camera: ZWO ASI2600MC Pro @-10°C, Gain=100, Offset=50 Filter: none Exposure: total 11,6h, 174x4min, 180xBias, 41x Darks, 51x Flat Color: osc Capture: INDILib, INDIStarter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat) Guiding: ZWO-OAG, ASI120MM-S, PHD2, EQMOD Date1/Location1: 2020-09-20, Zirndorf Date2/Location2: 2020-09-21, Zirndorf Image Processing: PI: WeightedBatchPreprocessingScript, Blink, ImageIntegration, DBE, HistrogramTransformation, ArcsinhStretch, Starnet PS: NIK Define2 Noise Reduction, Levels, HLVG, Curves, SelectiveColors, Dynamic, maskedHueSaturation, Levels, maskedLevels, unsharpMasking Observer: Thomas Jäger, www.starhopper.eu

Object: IC410 in Auriga, Hubble Palette (SHO) Optic: BA200 (200/584mm Newton f/2.9) + Newtonmaster, ASA 0,73x Newton Coma Corrector Camera: Moravian G2 8300 @-30°C, EFW-2S-10, Moravian OAG Filter: Baader 36mm Filter, Ha, SII, OIII Exposure: total 14.3h, Ha 40x8min, SII 27x8min, OIII 40x8min, 21x Dark, 200x Bias, 50x Flat(Ha), 51x Flat(OIII) Guiding: QHY5L-II, PHD2 Date1/Location: 2017-02-13, Zirndorf Date2/Location: 2017-02-15, Zirndorf Image Processing: Pixinsight: ImageCalibration, CosmeticCorrection, StarAlignment, ImageIntegration, MureDenoise, DBE, MaskedStretch, HistogramTransformation, CurvesTransformation Startools: Heal (starremoval) for all channels, DDP, Denoise, Magic for Ha PS: SHO-Combination, Spot Healing Brush, HLVG, Ha as LuminanceLayer, maskedDynamic, SelectiveColor, maskedLevels, Curves, maskedHighPassSharping, maskedSoftlight CRAW: final tweaks

Object: NGC6188 Optic: APM APO 107/700 + Riccardi Reducer f=524mm Camera: Moravian G2 8300 @-20°C, EFW-2S-10 Filter: Baader Ha, OIII and SII, 36mm Exposure: total 4.4h, Ha 19x8min, OIII 7x8min, SII 7x8min, 228x Bias, 31xDark, Flats Mount: Alt7, FS2 Guiding: 8x50 Finder + ASI120MM, PHD-Guiding Date: 2016-07-29, Farm Kiripotib Namibia Image Processing Preprocessing: PI: ImageCalibration, ImageIntegration, CosmeticCorrection, StarAlignment Preparing Tonemap: Startools: Develop, NoiseReduction, StarRemoval (Heal) PS: SHO, selectiveColors (Bob Franke), Dynamic, HueSaturation PI: SCNR, ColorSaturation Preparing Ha-Channel as Luminance: Startools: Develop (Ha), NoiseReduction, Sharpen, Magic (Shrink) Final Processing PS: Ha as Luminance, Levels, selctiveColor, maskedHighPassSharping, maskedSoftLight, maskedScreen maskedHueSaturation, maskedShadowsAndHighlights, maskedBrightnessContrast, maskedDynamic, unsharpMasking

Object: IC405, IC410 Date1/Location1: 2017-10-16, Zirndorf Optic: Skywatcher Esprit 100/550 Refractor Flatner: Skywatcher Esprit 100/550 Flattner Filter: Baader 50mm LRGB Camera: SBIG STL11000M C2 at -20°C Capture/Guiding: Nebulosity3, PHD2 Exposure: Ha 18x10min, 118x Bias, 31x Darks, 27x Flat Date2/Location2: 2018-02-05, Zirndorf Optic: Skywatcher Esprit 100/550 Refractor Flatner: Skywatcher Esprit 100/550 Flattner Filter: Baader 50mm LRGB Camera: SBIG STL11000M C2 at -30°C Capture/Guiding: INDI, INDIStarter, CCDCiel, PHD2 Exposure: Ha 22x10min, 81x Bias, 37x Darks, 31x Flat Image Processing Pixinsight: ImageCalibration, CosmeticCorrection, StarAlignment (BicubicSpline CT=0,1), ImageIntegration, MureDenoise for some versions ST: DigitalDevelopment, Tracking, NoiseReduction, Mask, Heal PS: CloneStamp, Levels, unsharpMasking

Object: Comet C/2020 F3 NEOWISE Optic: Canon EF 70-200/2,8 L IS II USM @70mm, f/3.2 Mount: Skywatcher AZ-EQ6 Camera: Canon EOS 6D, ISO1600 Filter: none Exposure: total 14min, 27x30s, no Darks/Flats Date/Location: 2020-07-18, 23h57m-0h10m UT Capture: MagicLantern Image Processing: CameraRAW: RAW Development PI: StarAlignment, ImageIntegration, DBE, MaskedStrech PS: Repair of Comet Core, Curves, Blend of DBE Background (dawn), clippingDynamic, maskedColorBalance, blend of Horizon, Dynamic, Curves, HueSaturation, selectiveColors, maskedDynamic, LensCorrection

Object: IC410 in Auriga, Hubble Palette (SHO) Optic: BA200 (200/584mm Newton f/2.9) + Newtonmaster, ASA 0,73x Newton Coma Corrector Camera: Moravian G2 8300 @-30°C, EFW-2S-10, Moravian OAG Filter: Baader 36mm Filter, Ha, SII, OIII Exposure: total 14.3h, Ha 40x8min, SII 27x8min, OIII 40x8min, 21x Dark, 200x Bias, 50x Flat(Ha), 51x Flat(OIII) Guiding: QHY5L-II, PHD2 Date1/Location: 2017-02-13, Zirndorf Date2/Location: 2017-02-15, Zirndorf Image Processing: Pixinsight: ImageCalibration, CosmeticCorrection, StarAlignment, ImageIntegration, MureDenoise, DBE, MaskedStretch, HistogramTransformation, CurvesTransformation Startools: Heal (starremoval) for all channels, DDP, Denoise, Magic for Ha PS: SHO-Combination, Spot Healing Brush, HLVG, Ha as LuminanceLayer, maskedDynamic, SelectiveColor, maskedLevels, Curves, maskedHighPassSharping, maskedSoftlight CRAW: final tweaks

Object: 41P/Tuttle-Giacobini-Kresak Optic: Skywatcher Esprit 100/550 Refractor Flattner: Skywatcher Esprit 100/550 Flattner Camera: Canon EOS 6D Exposures: 50x2min @ ISO1600, 81 Flatfields, 81 Bias, 0 Darks Control: APT-Tool Guiding: 8x50mm Finder, ASI120MM, PHD-Guiding Date: 2017-03-16, 18h52m-20h46m UT, Kreben Pixinsight: BatchPreprocessingScript, ImageIntegration, CometAlignment, ImageIntegration, STF-Stretch PS CRAW: development of first image for the stars PS: CloneStamp, DustAndScratches, Blend of Comet core, Curves, blend of the stars, Dynamic, Levels, blend of the moon

Object: PK164-31.1, Jones-Emberson 1 Optic: CA300 (300/1200mm Newton f4), GPU Corrector Mount: Skywatcher EQ8 Camera: ZWO ASI 183MM-C @ -20°C, Gain=53, Offset=10 Filter: ZWO EFW 7x36mm, Baader 36mm Filter Exposure: total 9,7h, Ha 72x4min (Gain=200), OII 67x4min (Gain=200), R 21x30s, G 20x30s, B 21x30s 183xBias, 51x Darks, 41x Flat per channel Color: Ha-OIII-RGB Date1/Location1: 2019-04-07, Zirndorf Date2/Location2: 2019-04-08, Zirndorf Capture: INDI Lib, INDI Starter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat), ASTAP Guiding: TS-OAG 9mm, ASI120MM, PHD2, EQMOD Image Processing: PI: BatchPreprocessingScript, CosmeticCorrection, StarAlignment, Blink, ImageIntegration, ChannelCombination ABE for RGB, MaskedStretch for Ha, STFStretch for OIII, ArcSinh Stretch for RGB, HistogramTransformation, SCNR, PhotometricColorCorrection PS: NIK Define2 Noise Reduction for RGB Stars, Levels, Dynamic, LightningLayer for Ha (only red channel), curves with clippingMask, Levels, LightingLayer for OII (only blue and green channel), ColorBalance with clippingMask, Curves with clippingMask, Dynamic, maskedDynamic

Object: M13 Optic: CA300 (300/1200mm Newton f4), GPU Corrector Mount: Skywatcher EQ8 Camera: ZWO ASI 183MM-C @ -20°C, Gain=53, Offset=10 Filter: ZWO EFW 7x36mm, Baader 36mm Filter Exposure: total 4h, R 41x2min, G 41x2min, B 37x4min 183xBias, 51x Darks, 41x Flat per channel and date Color: RGB Date1/Location1: 2018-06-03, Zirndorf Date2/Location2: 2019-06-27, Zirndorf Capture: INDI Lib, INDI Starter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat) Guiding: TS-OAG 9mm, ASI120MM, PHD2, EQMOD Image Processing: PI: BatchPreprocessingScript, Blink, StarAlignment, CosmeticCorrection, ImageIntegration, ChannelCombination DBE, HistogramTransformation, MaskedStretch, ArcSinhStretch PS: Blend of a MaskedStretch and a ArcSinhStreched image, Blend of a MaskedStrech and ArcSinhStretched artifical Luminance image, Levels, maskedHighpassSharping, masked NIK Collection dfine2, Levels, maskedCurves

Object: Moon 9 Panel Mosaic Optic: 115/805mm TMB Refractor Barlow: 2x Camera: ZWO Optical ASI174MM FireCapture v2.5: File type=SER Binning=no ROI=1936x1216 FPS (avg.)=142 Shutter=5.382ms Gain=121 (30%) HighSpeed=on Gamma=63 Stacking Autostakkert2: Exposures: 768 of 4000 frames, multipoint, convolution PS: Panorama, Shadow and Highlights, unsharp Masking Date: 2017-01-06, 16h50m

Object: M82, Optic: CA300 (300/1200mm Newton f4), GPU Corrector Mount: Skywatcher EQ8 Camera: ZWO ASI 183MM-C @ -20°C, Gain=53, Offset=10, H-Alpha Gain=111 Filter: ZWO EFW 7x36mm, ZWO 36mm Filter Exposure: total 10.7h, L 30x4min and 22x from RGB, R 24x4min, G 22x4min, B 20x4min, Ha 64x4min 183xBias, 51x Darks, 41x Flat per channel and date Color: L-R(Ha)GB Date1/Location1: 2018-04-16, Zirndorf Date2/Location2: 2018-04-18, Zirndorf Date3/Location3: 2018-04-21, Zirndorf Capture Date1&3: INDI Lib, INDI Starter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat) Capture Date2: SGP (Sequencing, Autofocus, Dithering, FlatWizard) Guiding: TS-OAG 9mm, ASI120MM, PHD2 Image Processing: PI: BatchPreprocessingScript, CosmeticCorrection, StarAlignment, Blink, ImageIntegration, ChannelCombination DBE, MaskedStretch, STF-Stretch for RGB, ColorSaturation, DynamicCrop ST: DDP, Deconvolution and Magic for L PS: NIK Dfine2 for RGB, selectiveColors, 2x Luminance Layer, Levels, maskedLighten of H-Alpha, maskedHighPassSharping, maskedSelectiveColors, NIK Dfine2 for Background, maskedDynamic, maskedColorBalance, maskedSoftLight

Object: VdB141 Ghost Nebula in Cepheus Optic: NON1000 (200/1000mm Newton f5), GPU Corrector Camera: ZWO ASI 1600MM-C @ -20°C, Gain 75, Offset 15 Filter: ZWO EFW 7x36mm, Baader 36mm Filter, LRGB Exposure: total 9.1h, L 76x4min + 22x from RGB, R 21x4min, G 19x4min, B 21x4min 327xBias, 48xDarks, 31:31:31:31x Flat(L:R:G:B) Color: L-RGB Capture: SGP (Sequencing, Autofocus, Dithering, FlatWizard) Guiding: TS-OAG 9mm, ASI120MM, PHD2 Date1/Location1: 2017-08-23, Austria Date2/Location2: 2017-08-25, Austria Date3/Location3: 2017-08-28, Kreben Image Processing: Pixinsight: BatchPreprocessingScript (ImageCalibration, StarAlignment), Blink for destorted images, ImageIntegration, ChannelCombination, DBE for RGB, MaskedStretch, HistogramTransformation, PhotometricColorCalibration for RGB, TGVDenoise for RGB, LRGBCombination Startools: Magic PS: NIK: Dfine2: StrongNoise for L Blend of two versions, ColorBalace, maskedLevels, Curves, maskedSoftLight, Dynamic, maskedCurves, ColorBalance

Object: Cirrus Nebula NGC6992 Optic: CA300 (300/1200mm Newton f4), GPU Corrector Mount: Skywatcher EQ8 Camera: ZWO ASI 183MM-C @ -20°C, Gain=53 (RGB), Gain=200 (Ha, OIII), Offset=10 Filter: ZWO EFW 7x36mm, Baader 36mm Filter Exposure: total 14.3h , Ha 40x4m, OIII 60x4m, R 37x4m, G 36x4m, B 41x4m 183xBias, 51x Darks, 31-41x Flats per channel Color: Ha-OII-RGB (not for all versions) Date1/Location1: 2018-10-05, Zirndorf Date2/Location2: 2018-10-09, Zirndorf Date3/Location3: 2018-10-10, Zirndorf Date4/Location4: 2018-10-12, Zirndorf Capture: INDI Lib, INDI Starter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat) Guiding: TS-OAG 9mm, ASI120MM, PHD2 Image Processing: PI: BatchPreprocessingScript, Blink, CosmeticCorrection, ImageIntegration, ChannelCombination, DBE, HistogramTransformation, MaskedStretch, PhotometricColorCorrection Starnet from Nikita Misiura: Starless Image, Mask Startools: Magic PS: Red/Blue Version: Levels, lightenLayer of red colored Ha-Channel, lightenLayer of a blue colored OIII-Channel, Curves, ColorBalance, Dynamic, Blend of a starshrinked Image, maskedMinimumFilter, Curves, Dynamic Real Color Version: Debra Ceravolo's Narrowband Color technique using Gradient Map's, ColorBalance, Dynamic, Blend of a starshrinked Image, maskedMinimumFilter, Curves, Dynamic

Object: IC434 M42 2x Mosaic Optic: Skywatcher Esprit 100/550 Refractor Flattner: Riccardi 0,75x Reducer M63, f=413mm Mount: Skywatcher AZ-EQ6 Camera: ZWO ASI6200MM Pro @-10°C, Gain=100, Offset=50 Filter: Baader CMOS 6.5nm (H-Alpha, OIII, SII) Mosaic: 2 frame mosaic Exposure: total 5.3h, 2x( Ha 19x4min, R 7x4min, G 7x4min, B 7x4min ) 188xBias, 48x Darks, 41x Flat per Channel Color: HaRGB, Ha Date1/Location1: 2021-02-27, Linden Date2/Location2: 2021-03-03, Linden Capture: INDI Lib, INDIStarter, CCDCiel (Sequencing, Autocenter, Autofocus, Dithering, AutomaticFlat) Guiding: 8x50 Finder, ASI120MM-S, PHD2, EQMOD Image Processing: WeightedBatchPreprocessingScript, CosmeticCorrection, ImageIntegration, ChannelCombination, DBE for RGB, ImagePlateSolver, MosaicByCoordinates, TrimMosaicTileScript, PhotometricMosaicScript, EZ Denoise for Ha, MaskedStretch for Ha, HistogrammStretch and ArcsinhStretch for RGB, Starnet PS: maskedLevels, maskedSelectivColors, cloneStamp, NIK Dfine2 NR, clippedCurves, NIK SilverEfexPro, blendHa as red, layer difference, blend stars, -> use of image processing tools and order may vary between versions Observer: Thomas Jäger, www.starhopper.eu

Object: IC443, IC444 Optic: Skywatcher Esprit 100/550 Refractor Flatner: Skywatcher Esprit 100/550 Flattner Filter: Baader 50mm LRGB Camera: SBIG STL11000M C2 at -30°C Capture/Guiding: Nebulosity3, PHD2 Exposure: total 14h, H-Alpha 67x10min, R 14x5min, G 9x5min, B 12x5min, 30x Dark, 192x Bias, 61x Flat (Ha), 38x Flat(R), 55x Flat(Ha) Date1/Location1: 2017-01-06, Zirndorf Date2/Location2: 2017-01-21, Kreben (RGB) Date3/Location3: 2017-01-22, Zirndorf Image Processing: Pixinsight: ImageCalibration, CosmeticCorrection, ImageRegistration (BicubicSpline CT=0,1), ImageIntegration, DrizzleIntegration for Ha, ChannelCombination for RGB, DBE, STF-Stretch, SCNR, Resample for RGB, ImageRegistration PS: Ha lighten for R, Ha as Luminance, Curves, ColorBalance, Dynamic, Deep-Sky-Colors: HLVG, maskedMinimumfilter, Curves, maskedDenoise with CRAW, Levels

Object: M101, NGC5477 Optic: NON1000 (200/1000mm Newton f5), GPU Corrector Camera: ZWO ASI 1600MM-C @ -20°C, Gain 75, Offset 15 Filter: ZWO EFW 7x36mm, ZWO 36mm Filter, LRGB Exposure: total 6.9h, R 25x4min, G 17x4min, B 21x4min, L 40x4min and 22x4 from RGB, 210x Bias, 41xDarks, 31:31:31:31x Flat(L:R:G:B) Color: LRGB Capture: SGP (Sequencing, Autofocus, Dithering, FlatWizard) Guiding: TS-OAG 9mm, ASI120MM, PHD2 Date1/Location1: 2017-04-19, Zirndorf Date2/Location2: 2017-04-20, Zirndorf Image Processing: Pixinsight: BatchPreprocessingScript, CosmeticCorrection, StarAlignment, ImageIntegration, ChannelCombination, AutomaticBackgroundExtractor for RGB, DynamicBackgroundExtraction, MaskedStretch, HistogramTransformation, (SCNR, ColorSaturation, TGVDenoise) for RGB, LRGBCombination Startools: Deconvolution, HDR PS: blend of deconv. galaxy, Dynamic, maskedDynamic, maskedSoftLight, maskedScreen, Levels, colorRange, clippingMask Dynamic, clippingMaskSelectivColors, HueSaturation, selectiveColor CameraRAW: final Tweaks

Object: B33, Horsehead Nebula in Orion Optic: NON1000 (200/1000 Newton f/5) + GPU Coma Corrector Camera: Moravian G2 8300 @-30°C, EFW-2S-10, Moravian OAG Filter: Baader 36mm Filter, LRGBHa Exposure: total 3,5h , R 7x5min, G 7x5min, B 7x5min, L 7x5min and 7xL obtained from RGB, Ha 7x10min, 37x Dark, 200x Bias, 41x Flat(R), Guiding: QHY5L-II, PHD2 Date/Location: 2017-01-19, Kreben Image Processing: Pixinsight: ImageCalibration, CosmeticCorrection, ImageRegistration, ImageIntegration ChannelCombination, MaskedStretch, SCNR PS: HaRGB with Lighten, maskedMinimumfilter for L, L-R(Ha)GB Combination, Dynamic, maskedHighPasssharping maskedColorBalance, CloneStamp (erase spikes) CRAW: final tweaks

Object: M8 Lagoon Nebula, M20 Trifid Nebula, NGC6559 Optic: Baader APO 95/560 CaF2 Travel Companion Mount: Skywatcher AZ-EQ6 Camera: Canon 5DmIIa, ISO1600 Exposure: total 3.1h, 47x4min, 81xBias, 13x Darks, 51x Flat Date: 2018-07-14 Location: ATHOS Centro Astronómico S.L., La Palma Capture: APT-Tool Guiding: Finderscope, ASI120MM, PHD2 Image Acquisition: Thomas Jaeger Image Processing: Thomas Jaeger PI: BatchPreprocessingScript, StarAlignment, CosmeticCorrection, ImageIntegration, HDRMS ST: Magic PS: blend of a image with shrinked stars, Dynamic, maskedHueSaturation, blend of M8's core with a HDRMultiscale image, masked Dynamic, Levels, maskedSoftlight maskedDynamic, maskedLevels

Object:M33 Triangulum Galaxy Optic: CA300 (300/1140mm Newton) + Newtonmaster Corrector: Keller 3" Wynne Filter: Baader 50mm L-RGB Camera: SBIG STL11000M C2 at -20°C, selfguiding Exposures: HaLRGB:96:128:88:80:72min, subexposures 8min, 33 Flatfields, 27 Bias, 13 Darks Processing: PI, PS, PSraw Date1: 2012.08.15 Austria, Osttirol Date2: 2012.08.17 Austria, Osttirol Date3: 2012.10.19 Germany, Defersdorf

Title: LDN778,LDN768, VdB126 in Vul Optic: Skywatcher Esprit 100/550 Refractor Flatner: Skywatcher Esprit 100/550 Flattner Filter: Baader 50mm LRGB Camera: SBIG STL11000M C2 at -20°C, selfguiding Exposures: L 29x4min (16 true L, 13x from RGB); RGB 52:52:52min, subexposure 4min, 70x Darks, 61x Bias, 61x Flat Location: Vockenroth, Germany Date: 2014-09-27 Processing Pixinsight: Image Calibration, CosmeticCorrection, StarAlignment, Image Integration, ChannelCombination, DBE for RGB, STF-Stretching, L-RGB Combination, Histogram, StarMask, MT PS: Color and Histogramm enhancement, remove small gradients, histogram, curves

Object: Comet C/2020 F3 NEOWISE Optic: Canon EF 70-200/2,8 L IS II USM @200mm, f/3.5 Mount: Skywatcher AZ-EQ6 Camera: ZWO ASI2600MC Pro @-10°C, Gain=100, Offset=50 Filter: none Exposure: total 19min, 19x1min, 68x Bias, no Darks, 41x Flat Color: one shot color Date/Location: 2020-07-20, 20h55m-22h23m UT, Lillinghof Capture: INDI Lib, INDIStarter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat) Guiding: 8x50 Finder, ASI120MM-S, PHD2 Image Processing: PI: BatchPreprocessingScript, ImageIntegration, DBE, HistogramTransformation, MaskedStretch, SCNR to blue PS: CloneStamp of Background, NIK Define2 Noise Reduction, LightenLayer of stars, clippedLevels, clippedDynamic, Curves, maskedDynamic, ColorBalance, maskedColorBalance, Levels

Object: NGC4631, NGC4627 Optic: CA300 (300/1200mm Newton f4), GPU Corrector Mount: Skywatcher EQ8 Camera: ZWO ASI 183MM-C @ -20°C, Gain 53, Offset 10 Filter: ZWO EFW 7x36mm, ZWO 36mm Filter Exposure: total 10.5h, L 44x4min and 33x from RGB, R 44x4min, G 38x4min, B 31x4min, 183xBias, 51x Darks, 41x Flat Color: L-RGB Date1/Location1: 2018-04-07, Zirndorf Date2/Location2: 2018-04-08, Zirndorf Capture Date1: INDI Lib, INDI Starter, CCDciel (Sequencing, Autofocus, Dithering, AutomaticFlat) Capture Date1: SGP (Sequencing, Autofocus, Dithering, FlatWizard) Guiding: TS-OAG 9mm, ASI120MM, PHD2 Image Processing: PI: BatchPreprocessingScript, CosmeticCorrection, StarAlignment, Blink, ImageIntegration, ChannelCombination DBE, MaskedStretch PS: Dynamic, maskedLuminanceLayer, ColorSaturation, maskedDynamic, maskedSelectivColors, maskedColorSaturation, maskedHighPassSharping, Levels, maskedMinimumFilter, Levels, masked NIK Dfine2 NoiseReduction

Object: NGC3372, Eta Carina Nebula Optic: APM APO 107/700 + Riccardi Reducer f=524mm Camera: Moravian G2 8300 @-20°C, EFW-2S-10 Filter: Baader 36mm Exposure: total 4h, Ha 10x8min, OIII 10x8min, SIII 10x8min , 228x Bias, 23xDark, 41x Flat Ha, 41x Flat OIII Mount: Alt7, FS2 Guiding: 8x50 Finder + ASI120MM, PHD-Guiding Date1: 2016-07-27, Farm Kiripotib Namibia Date2: 2016-07-28, Farm Kiripotib Namibia Image Processing PI: ImageCalibration, ImageIntegration, CosmeticCorrection, StarAlignment, STF-Stretch PS: StarRemoval (Metsavainio) PI: ChannelCombination, Curves PS: SelectiveColor, maskedSelectivColor, HueSaturation, Dynamik, ColorBalance, Luminance with Ha(OII,SII) and maskedMinimumfilter maskedSoftlight, maskedScreen, maskedHighpassSharping, unsharpMasking