My most recent images

Two perfect arcs – Sommaroy Bridge

Imagin: 69° North, kp-index 5, dawn

Aurora Borealis – Kilpisjärvi Finnland

LDN673

Object: LDN673
Optic: Takahashi E-160ED (160/530mm Hyperboloidal Catadioptic)
Mount: Skywatcher AZ-EQ6
Camera: ZWO ASI2600MM Pro @-10°C, Gain=100, Offset=50
Color: OSC
Exposure: total 3.3h, 49x4min, 41x Darks, 41x Flats
Capture: INDILib, INDIStarter, CCDCiel (Sequencing, Autofocus, AutomaticFlat)
Guiding: 8×50 Finder, ASI120MM-S, PHD2, EQMOD
Date1/Location1: 2022-08-29, Osttirol, Austria
Date2/Location2: 2022-09-22, Linden, Germany
Image Processing:
PI:
WeightedBatchPreprocessingScript, DBE, EZ-Denoise, HistogramTransformation,
ArcsinhStretch, EZ-Starshrink
PS:
Blend of 3 Versions, Dynamic
Observer: Thomas Jäger, www.starhopper.eu

LDN1221, LBN532, Cepheus

Object: LDN1221, LBN532, Cepheus
Optic: Takahashi E-160ED (160/530mm Hyperboloidal Catadioptic)
Mount: Skywatcher AZ-EQ6
Camera: ZWO ASI2600MM Pro @-10°C, Gain=100, Offset=50
Color: OSC
Exposure: total 5.1h, 77x4min, 41x Darks, 41x Flats
Capture: INDILib, INDIStarter, CCDCiel (Sequencing, Autofocus, AutomaticFlat)
Guiding: 8×50 Finder, ASI120MM-S, PHD2, EQMOD
Date1/Location1: 2022-08-29, Osttirol, Austria
Date2/Location2: 2022-09-21, Linden, Germany
Image Processing:
PI:
WeightedBatchPreprocessingScript, DBE, GeneralizedHyperbolicStretch Script for Nebula, ArcsinhStretch for Stars
AstroPyGui: Denoise
Starnet2: Starremoval
PS:
CloneStamp, Dynamic, Curves, maskedDynamic, maskedSelectivColors,
blend Stars, clippedDynamic, clippedLevels, Levels
Observer: Thomas Jäger, www.starhopper.eu

Cirrus Nebula Ha/OIII/RGB

Object: Cirrus Nebula NGC6995, NGC6979, NGC6960
Optic: Takahashi E-160ED (160/530mm Hyperboloidal Catadioptic)
Mount: Skywatcher EQ8
Camera: ZWO ASI6200MM Pro @-10°C
Filter: Baader CMOS 6.5nm H-Alpha & OIII, Gain=100, Offset=50
Filter: Baader R, G, B, Gain=0, Offset=50
Mosaic: 2 panel mosaic
Exposure: total 27.1h, 2 x (Ha 94x4min, OIII 87x4min, R 30x1min, G 30x1min, B 30x1min ),
41x Darks, 41x Flats per Channel and Date
Color: Ha, OIII, RGB
Capture: INDILib, INDIStarter, CCDCiel (Sequencing, Autofocus, AutomaticFlat, AutomaticMeridianflip)
Guiding: 8×50 Finder, ASI120MM-S, PHD2, EQMOD
Date1/Location1: 2022-08-08, Zirndorf
Date1/Location2: 2022-08-09, Zirndorf
Date3/Location3: 2022-08-11, Zirndorf
Date4/Location4: 2022-08-16, Zirndorf
Date5/Location5: 2022-08-21, Zirndorf
Date6/Location6: 2022-08-22, Zirndorf
Date7/Location7: 2022-08-24, Zirndorf
Image Processing:
PI:
WeightedBatchPreprocessingScript, DBE, EZ-Denoise for NB-Channels, ImagePlateSolver,
MosaicByCoordinates, TrimMosaicTileScript, PhotometricMosaicScript,
HistogramTransformation, ArcsinhStretch, Starnet for NB-Channels, PCC for RGB,
PS:
Mix of two different stretched RGB images, blend of NB-Channels with ClippedCurves,
HighPassSharping, SelectiveColors, Levels
Observer: Thomas Jäger, www.starhopper.eu

Object: M8, M20, NGC6559
Optic: Takahashi E-160ED (160/530mm Hyperboloidal Catadioptic)
Mount: Skywatcher AZ-EQ6
Camera: ZWO ASI6200MM Pro @-10°C, Gain=100, Offset=50
Filter: Baader LRGB
Exposure: total 2.9h, R 17x4min, G 13x4min, B 13x4min, 180xBias, 41x Darks, 51x Flat
Color: RGB
Capture: INDILib, INDIStarter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat)
Guiding: 8×50 Finder, ASI120MM-S, PHD2, EQMOD
Date/Location: 2022-07-02, Linden
Image Processing:
PI:
WeightedBatchPreprocessingScript, DBE, SCNR, HistogramTransformation, maskedStretch
Curves, 2xEZStarShrink
PS:
Levels, maskedNIK ColorEfexPro Detail Extractor, maskedMinimumfilter, maskedDynamic,
maskedCurves, mix of two versions
Observer: Thomas Jäger, www.starhopper.eu

LBN801

Object: LBN801
Optic: CA300 (300/1200mm Newton f4, Keller 3″ Wynne Corrector
Mount: Skywatcher EQ8
Camera: ZWO ASI6200MM Pro @-10°C, Offset=50
Filter: Baader LRGB
Exposure: total 28h, L 216x4min and 67x4min from RGB, R 66x4min, G 70x4min, B 68x4min
183xBias, 81x 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: 2022-03-23, Zirndorf
Date2/Location2: 2022-03-23, Zirndorf
Date3/Location3: 2022-03-24, Zirndorf
Date4/Location4: 2022-03-25, Zirndorf
Date5/Location5: 2022-03-27, Zirndorf

Orion 2x Mosaic

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: 8×50 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 versionsIC443 Jellyfish Nebula

H-Alpha Channel only

IC443 Jellyfish

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, 2x maskedDynamic, blend RGB Stars,
Levels, Curves, maskedCurves, masked NIK ColorEfexPro Detail Extractor
Observer: Thomas Jäger, www.starhopper.eu

Barnard 150 in Cepheus

Object: Barnard 150
Optic: CA300 (300/1200mm Newton f4), Keller 3″ Wynne Corrector
Mount: Skywatcher EQ8
Camera: ZWO ASI6200MM Pro @-10°C, Gain=100, Offset=50
Filter: Baader LRGB
Exposure: total 17,9h, L 92x4min and 52xL from RGB, R 59x4min, G 59x4min, B 59x4min,
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: 2021-10-08, Zirndorf
Date2/Location2: 2021-10-09, Zirndorf
Date3/Location3: 2021-10-10, Zirndorf
Image Processing:
PI:
Grouped WeightedBatchPreprocessingScript, SCNR, DBE, arcsinhStretch,
HistogramStretch, PhotometricColorCorrection, Starnet
PS:
RGB-Version:
Curves, Starnet masked MinimumFilter, masked NIK Dfine2 NR
LRGB-Version:
NIK ColorEfexPro Detail Extractor, NIK Dfine2 NR, Levels, blend Stars
not all steps may applied to other versions
Observer: Thomas Jäger, www.starhopper.eu

M31 Andromeda Galaxy

Object: M31 Andromeda Galaxy
Optic: Skywatcher Esprit 100/550 Refractor
Flattner: Skywatcher Esprit 100
Mount: Skywatcher AZ-EQ6
Camera: ZWO ASI6200MM Pro @-10°C, Gain=100, Offset=50
Filter: Baader LRGB 50mmm, Baader CMOS H-Alpha 6.5nm 50mm
Exposure: total 12.8h, L 34x4min + 22x4min from RGB, R 26x4min, G 21x4min, B 22x4min,
Ha 88x4min
188xBias, 41x Darks, 41x Flat per channel
Capture: INDILib, INDIStarter, CCDCiel (Sequencing, Autofocus, Dither, AutomaticFlat)
Guiding: 8×50 Finder, ASI120MM-S, PHD2, EQMOD
Date1/Location1: 2021-09-10, Osttirol, Austria
Date2/Location2: 2021-09-25 Zirndorf
Image Processing:
PI:
WeightedBatchPreprocessingScript, Luminance from RGB, ImageIntegration, ChannelCombination,
DBE, maskedStretch, LRGB-Combination, SCNR, Starnet
PS:
NIK NIK Color Efex Pro Remove ColorCast, NIK Color Efex Pro Sunlight, Dynamic, ColorBalance, HueSaturation
masked NID Silver Efex Pro, maskedColorBalance, maskedSelectiveColors, maskedHighPassSharping, CloneStamp,
maskedDynamic, maskedColorBalance, masked NIK Color Efex Pro Detail Extractor, H-Alpha blend in R-Channel,
masked blend Stars from RGB
Observer: Thomas Jäger, www.starhopper.eu