<![CDATA[ScienceDownEast - ScienceDownEast Astrophotography - IC 1805 Heart Nebula (Latest images)]]> https://sciencedowneast.com/zenphoto Thu, 22 Oct 2026 08:46:24 -0300 Thu, 22 Oct 2026 08:46:24 -0300 http://blogs.law.harvard.edu/tech/rss Zenphoto RSS Generator <![CDATA[IC 1805 (IC 1805 Heart Nebula)]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=MasterLight_Triad_Quad_MAS.jpg IC 1805Click on the image to view it at full resolution, then click again for actual size.

The Heart Nebula is an emission nebula, 7,500 light-years (2,300 pc) away from Earth and located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787. In 1958, it was identified as a radio source by Gart Westerhout and is therefore also referred to as Westerhout 4 . It displays glowing ionized hydrogen gas and darker dust lanes.

[Source: Wikipedia, en.wikipedia.org/wiki/Heart_Nebula]

Total image time was 6 hours.

Moon PhaseNew Moon
CameraToupTek ATR2600C
OpticsSkywatcher Esprit 120ED, 840 mm focal length, f/7 (120 mm aperture, APO triplet)
FilterTriad Quad
Binning1x1
Date2026-09-12
PixInsight Processing
Image Integration (x3)
Drizzle Integration (x2)
Dynamic Crop
BlurXTerminator (AI deconvolution)
GraXpert (gradient removal)
NoiseXTerminator (AI denoise)
Spectrophotometric Color Calibration
Multiscale Adaptive Stretch (x3)

Date: October 11, 2026 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=MasterLight_Triad_Quad_MAS.jpg Sat, 12 Sep 2026 00:00:00 -0300 <![CDATA[IC 1805 (IC 1805 Heart Nebula)]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=IC+1805+Stacked.jpeg IC 1805Click on the image to view it at full resolution, then click again for actual size.

The Heart Nebula is an emission nebula, 7,500 light-years (2,300 pc) away from Earth and located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787. In 1958, it was identified as a radio source by Gart Westerhout and is therefore also referred to as Westerhout 4 . It displays glowing ionized hydrogen gas and darker dust lanes.

[Source: Wikipedia, en.wikipedia.org/wiki/Heart_Nebula]

Total image time was 55 minutes.

Moon PhaseNew Moon
CameraSeestar S50 Pro (4K Sony IMX585 sensor)
Optics260 mm focal length, f/5.2, 50 mm aperture
FilterLP
Binning1x1
StackingStackingWizard, 55 frames, 39-pointing mosaic
Date2026-09-12
AstroWizard Processing
BlurXTerminator (0.3)
NoiseXTerminator (0.9) (x2)

Date: October 11, 2026 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=IC+1805+Stacked.jpeg Sat, 12 Sep 2026 00:00:00 -0300 <![CDATA[IC 1805 (IC 1805 Heart Nebula)]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=IC+1805+Stacked_2.jpeg IC 1805Click on the image to view it at full resolution, then click again for actual size.

The Heart Nebula is an emission nebula, 7,500 light-years (2,300 pc) away from Earth and located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787. In 1958, it was identified as a radio source by Gart Westerhout and is therefore also referred to as Westerhout 4 . It displays glowing ionized hydrogen gas and darker dust lanes.

[Source: Wikipedia, en.wikipedia.org/wiki/Heart_Nebula]

Total image time was 4 hours and 30 minutes.

Moon PhaseNew Moon
CameraToupTek ATR2600C
OpticsSkywatcher Esprit 120ED, 840 mm focal length, f/7 (120 mm aperture, APO triplet)
FilterTriad Quad
Binning1x1
StackingStackingWizard, 27 frames
Date2026-09-12
AstroWizard Processing
BlurXTerminator (0.6)
NoiseXTerminator (0.9) (x2)

Date: October 11, 2026 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=IC+1805+Stacked_2.jpeg Sat, 12 Sep 2026 00:00:00 -0300 <![CDATA[IC 1805 (IC 1805 Heart Nebula)]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=masterLight_BIN-1_6224x4168_EXPOSURE-600.00s_FILTER-Triad+Quad_RGB_drizzle_2x_%283%29_SPC.jpg IC 1805Click on the image to view it at full resolution, then click again for actual size.

The Heart Nebula is an emission nebula, 7,500 light-years (2,300 pc) away from Earth and located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787. In 1958, it was identified as a radio source by Gart Westerhout and is therefore also referred to as Westerhout 4 . It displays glowing ionized hydrogen gas and darker dust lanes.

[Source: Wikipedia, en.wikipedia.org/wiki/Heart_Nebula]

Total image time was 6 hours.

Moon PhaseNew Moon
CameraToupTek ATR2600C
OpticsSkywatcher Esprit 120ED, 840 mm focal length, f/7 (120 mm aperture, APO triplet)
FilterTriad Quad
Binning1x1
Date2026-09-12
PixInsight Processing
Image Integration (x3)
Drizzle Integration (x2)
Dynamic Crop
BlurXTerminator (AI deconvolution)
GraXpert (gradient removal)
NoiseXTerminator (AI denoise)
Spectrophotometric Color Calibration
StarXTerminator (star removal)
Generalized Hyperbolic Stretch (x6)
Multiscale Linear Transform
Curves Transformation
PixelMath
Multiscale Median Transform

Date: October 11, 2026 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=masterLight_BIN-1_6224x4168_EXPOSURE-600.00s_FILTER-Triad+Quad_RGB_drizzle_2x_%283%29_SPC.jpg Sat, 12 Sep 2026 00:00:00 -0300 <![CDATA[IC 1805 (IC 1805 Heart Nebula)]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=IC_1805+AstroWizard.jpeg IC 1805Click on the image to view it at full resolution, then click again for actual size.

The Heart Nebula is an emission nebula, 7,500 light-years (2,300 pc) away from Earth and located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787. In 1958, it was identified as a radio source by Gart Westerhout and is therefore also referred to as Westerhout 4 . It displays glowing ionized hydrogen gas and darker dust lanes.

[Source: Wikipedia, en.wikipedia.org/wiki/Heart_Nebula]

Moon PhaseNew Moon
CameraToupTek ATR2600C
OpticsSkywatcher Esprit 120ED, 840 mm focal length, f/7 (120 mm aperture, APO triplet)
FilterTriad Quad
Binning1x1
Date2026-09-12
AstroWizard Processing
BlurXTerminator (0.3)
NoiseXTerminator (0.9)

Date: October 11, 2026 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=IC_1805+AstroWizard.jpeg Sat, 12 Sep 2026 00:00:00 -0300 <![CDATA[Heart Nebula Reprocessed (IC 1805 Heart Nebula)]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=drizzle_integration2x_MLT.jpg Heart Nebula ReprocessedThe Heart Nebula, IC 1805 which lies some 7500 light years away from Earth and is located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787. It is an emission nebula showing glowing ionized hydrogen gas and darker dust lanes.

A total of 19.75 hours exposure.
Exposure23@900 sec + 42@1200 sec = 19.75 hours
ISO800
CameraNikon Z7 [8856 x 5504]
OpticsSkywatcher Esprit 120mm Refractor
FilterRadian Triad Ultra Quad-Band Narrowband Filter
GuidingPhd2 using a ZWO 224MC on an Orion 60x240mm Guide scope
ControllerImages taken using Kstars on an Odroid-N2 (Raspberry Pi clone)
LocationLower Sackville, Nova Scotia.
Date2020-06-16 - 2020-11-01
PixInsight Processing
WeightedBatchPreprocessing Script
Dynamic Crop
Automatic Background Extractor
ColourCalibration (both saturation and hue)
MultiscaleLinearTransform
HistogramTransform
CurvesTransformation
LocalHistogramEquilization
ColourProfile
Further tweaking for colour in Lightroom

Date: March 26, 2025 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=drizzle_integration2x_MLT.jpg Wed, 26 Mar 2025 17:50:04 -0300 <![CDATA[Heart Nebula (19.75 hours) (IC 1805 Heart Nebula)]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=Heart-Nebula-19.75a_1604364263.jpg Heart Nebula (19.75 hours)The Heart Nebula, IC 1805 which lies some 7500 light years away from Earth and is located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787. It is an emission nebula showing glowing ionized hydrogen gas and darker dust lanes.

A total of 19.75 hours exposure.
Exposure23@900 sec + 42@1200 sec = 19.75 hours
ISO800
CameraNikon Z7 [8856 x 5504]
OpticsSkywatcher Esprit 120mm Refractor
FilterRadian Triad Ultra Quad-Band Narrowband Filter
GuidingPhd2 using a ZWO 224MC on an Orion 60x240mm Guide scope
ControllerImages taken using Kstars on an Odroid-N2 (Raspberry Pi clone)
LocationLower Sackville, Nova Scotia.
Date2020-06-16 - 2020-11-01
PixInsight Processing
WeightedBatchPreprocessing Script
Dynamic Crop
Automatic Background Extractor
ColourCalibration (both saturation and hue)
MultiscaleLinearTransform
HistogramTransform
CurvesTransformation
LocalHistogramEquilization
ColourProfile
Further tweaking for colour in Lightroom

Date: March 26, 2025 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=Heart-Nebula-19.75a_1604364263.jpg Mon, 02 Nov 2020 20:42:02 -0400 <![CDATA[Heart-Nebula (12.75 hrs) (IC 1805 Heart Nebula)]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=IC_1805_Heart-Nebula_masterLight_BINNING_1_FILTER_NoFilter_EXPTIME_900_integration_ABE_Curves.jpg Heart-Nebula (12.75 hrs)The Heart Nebula, IC 1805 which lies some 7500 light years away from Earth and is located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787. It is an emission nebula showing glowing ionized hydrogen gas and darker dust lanes.

A total of 12.75 hours exposure.
Exposure56@300 sec + 14@600 sec + 23@900 sec = 12.75 hours
ISO800
CameraNikon Z7 [8856 x 5504]
OpticsSkywatcher Esprit 120mm Refractor
FilterRadian Triad Ultra Quad-Band Narrowband Filter
GuidingPhd2 using a ZWO 224MC on an Orion 60x240mm Guide scope
ControllerImages taken using Kstars on an Odroid-N2 (Raspberry Pi clone)
LocationLower Sackville, Nova Scotia.
Date2020-06-16 - 2020-09-05
PixInsight Processing
WeightedBatchPreprocessing Script
Dynamic Crop
Automatic Background Extractor
ColourCalibration (both saturation and hue)
MultiscaleLinearTransform
HistogramTransform
CurvesTransformation
LocalHistogramEquilization
ColourProfile
Further tweaking for colour in Lightroom

Date: March 26, 2025 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=IC_1805_Heart-Nebula_masterLight_BINNING_1_FILTER_NoFilter_EXPTIME_900_integration_ABE_Curves.jpg Wed, 09 Sep 2020 23:09:49 -0300 <![CDATA[Heart Nebula (IC 1805 Heart Nebula)]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=Heart_Nebula.jpg Heart NebulaThe Heart Nebula, IC 1805 which lies some 7500 light years away from Earth and is located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787. It is an emission nebula showing glowing ionized hydrogen gas and darker dust lanes.

A total of 6 hours and 20 min. exposure. This used Drizzle integration for the 1st time.
Exposure26*300 sec + 25 * 600 sec
ISO800
CameraNikon Z7 [8856 x 5504]
OpticsSkywatcher Esprit 120mm Refractor
FilterRadian Triad Ultra Quad-Band Narrowband Filter
LocationLower Sackville, Nova Scotia.
Date2020-04-27
ProcessingProcessed in PixInsight and Lightroom.

Date: March 26, 2025 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/Heart-Nebula&image=Heart_Nebula.jpg Wed, 26 Mar 2025 17:50:04 -0300