Total image time was 13.7 + 4 + 1 + 1 hours for the 4 mosaic frames. The resulting mosaic is 12051 × 8748 pixels after trimming.
The lower left mosaic frame was tweaked to reduce the noise and a glow around the "Leaping Minnow" asterism stars as a result of fewer sub-frames, all taken under a deteriorating sky as clouds moved in.

Exposure	59x20 min.
ISO	3200
Camera	Nikon Z7 [8856 x 5504]
Optics	120mm Skywatcher Esprit on a Celestron CGX mount
Guiding	ZWO ASI224MC using Phd2
Controller	Kstars on MeLe Quieter 3C
Filter	Triad Quad Ultra
Location	Lower Sackville and Marion Bridge, Nova Scotia.
Date	2023-02-07 - 2023-02-19
Processing	Processed in PixInsight.	Dynamic Background Extractor BlurXTerminator NoiseXTerminator ScreenTransfer Stretch SCNR CurvesTransformation PhotometricMosaic scripts

Further tweaking in Lightroom
Date: March 26, 2025 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/IC405-IC410&image=Image23-3.jpg Wed, 15 Mar 2023 13:41:14 -0300 https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/IC405-IC410&image=Image23.jpg
Mosaic of IC 405 (Flaming Star Nebula) 13,000 light-years and IC 410 (Tadpoles Nebula) 12,000 light-years from Earth in the constellation Auriga.

Total image time was 13.7 + 4 + 1 + 1 hours for the 4 mosaic frames. The resulting mosaic is 12051 × 8748 pixels after trimming.
The lower left mosaic frame was tweaked to reduce the noise and a glow around the "Leaping Minnow" asterism stars as a result of fewer sub-frames, all taken under a deteriorating sky as clouds moved in.

Exposure	59x20 min.
ISO	3200
Camera	Nikon Z7 [8856 x 5504]
Optics	120mm Skywatcher Esprit on a Celestron CGX mount
Guiding	ZWO ASI224MC using Phd2
Controller	Kstars on MeLe Quieter 3C
Filter	Triad Quad Ultra
Location	Lower Sackville and Marion Bridge, Nova Scotia.
Date	2023-02-07 - 2023-02-19
Processing	Processed in PixInsight.	Dynamic Background Extractor BlurXTerminator NoiseXTerminator ScreenTransfer Stretch SCNR CurvesTransformation PhotometricMosaic scripts

Further tweaking in Lightroom
Date: March 26, 2025 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/IC405-IC410&image=Image23.jpg Wed, 15 Mar 2023 09:38:43 -0300 https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/IC405-IC410&image=Mosaic2_DBE_NXT_BXT_CT-6.jpg
Mosaic of IC 405 (Flaming Star Nebula) 13,000 light-years and IC 410 (Tadpoles Nebula) 12,000 light-years from Earth in the constellation Auriga.

Total image time was 13.7 + 4 + 1 + 1 hours for the 4 mosaic frames. The resulting mosaic is 12051 × 8748 pixels after trimming.
The lower left mosaic frame was tweaked to reduce the noise and a glow around the "Leaping Minnow" asterism stars as a result of fewer sub-frames, all taken under a deteriorating sky as clouds moved in.

Exposure	59x20 min.
ISO	3200
Camera	Nikon Z7 [8856 x 5504]
Optics	120mm Skywatcher Esprit on a Celestron CGX mount
Guiding	ZWO ASI224MC using Phd2
Controller	Kstars on MeLe Quieter 3C
Filter	Triad Quad Ultra
Location	Lower Sackville and Marion Bridge, Nova Scotia.
Date	2023-02-07 - 2023-02-19
Processing	Processed in PixInsight.	Dynamic Background Extractor BlurXTerminator NoiseXTerminator ScreenTransfer Stretch SCNR CurvesTransformation PhotometricMosaic scripts

Further tweaking in Lightroom
Date: March 26, 2025 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/IC405-IC410&image=Mosaic2_DBE_NXT_BXT_CT-6.jpg Wed, 26 Mar 2025 17:50:04 -0300 https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/IC405-IC410&image=Mosaic2_DBE_NXT_BXT_CT-2.jpg
Mosaic of IC 405 (Flaming Star Nebula) 13,000 light-years and IC 410 (Tadpoles Nebula) 12,000 light-years from Earth in the constellation Auriga.

Total image time was 13.7 + 4 + 1 + 1 hours for the 4 mosaic frames. The resulting mosaic is 12051 × 8748 pixels after trimming.
The lower left mosaic frame shows more noise and a glow around the "Leaping Minnow" asterism stars as a result of fewer sub-frames, all taken under a deteriorating sky as clouds moved in.
There is a 2nd version of this image in this folder in which this issue has been addressed.

Exposure	59x20 min.
ISO	3200
Camera	Nikon Z7 [8856 x 5504]
Optics	120mm Skywatcher Esprit on a Celestron CGX mount
Guiding	ZWO ASI224MC using Phd2
Controller	Kstars on MeLe Quieter 3C
Filter	Triad Quad Ultra
Location	Lower Sackville and Marion Bridge, Nova Scotia.
Date	2023-02-07 - 2023-02-19
Processing	Processed in PixInsight.	Dynamic Background Extractor BlurXTerminator NoiseXTerminator ScreenTransfer Stretch SCNR CurvesTransformation PhotometricMosaic scripts

Further tweaking in Lightroom
Date: March 26, 2025 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/IC405-IC410&image=Mosaic2_DBE_NXT_BXT_CT-2.jpg Wed, 26 Mar 2025 17:50:04 -0300