Swansea Astronomical Society Blog
Saturday, June 3, 2023
IC1396
IC1396 imaged over two nights; 1.6 hrs from home on the 1st June and a 3 hr two pane mosaic from Fairwood on the 2nd June. Total integration 4.6 hrs (Pixinsight).
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IC1396
Chris Bowden
Friday, June 2, 2023
Elephant's trunk nebula
This is the Elephant's trunk nebula IC 1396. This is my first time to combine multiple nights worth of data into one image.
I shot this Wednesday and Thursday night from my back garden.
A total of 9 hours of data.
In normal colour and SHO (Hubble palette)
William Optics Zenithstar 73III
ZWO 533MC Pro
Heq5 Pro mount
LEnhance filter
Click on an image to get a closer view
John Beer
The Crescent Nebula
The Crescent Nebula NGC 6888 is a emission nebula in the constellation Cygnus.I was using a 1300D DLSR Canon camera mounted on an 80ED APO Skywatcher refactor telescope with a field flatterner and an Optolong LeNhance filter. Settings were 2min and 30s at 1600ISO. The telescope was mounted on an EQ5 GOTO Mount. I used a Bahtinov mask for focusing on a bright which was Vega. I used an intervalometer to control the camera. The image is a stack of 145 images 13 dark frames and 20 flat frames all stacked in DSS and processed in Siril, GIMP 2.10 and Neat image.
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Chris Playle
Elephant's trunk nebula
IC1396 (Elephant's Trunk) taken this morning from home with my ASI533 MM Pro and filter set. Its just 1.6 hrs of SHO data edit in the Hubble Palette as it didn't clear the house until 02:20 and I completed the capture at daybreak. Data was captured in NINA and integrated and processed in Pixinsight with final tweaks done in Adobe CS2.
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IC1396
Chris Bowden
Thursday, June 1, 2023
Narrowband palettes of the Eagle nebula
The six S, H, O narrowband palettes of the Eagle nebula. with AstroDMx Capture, an SV605MC camera and a William Optics 81mm APO doublet refractor with 0.8 reducer-flattener.
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Montage of the six narrowband palettes of the Eagle nebula
Steve Wainwright and Nicola Mackin
The Sun in white light
Stack of 120 bridge camera (fitted with a Baader solar filter) images of the Sun that had been precisely cropped in Nicola's AstroCrop.
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Steve Wainwright
Wednesday, May 31, 2023
80.2% waxing Moon with a William Optics 81mm APO refractor with 0.8 flattener/reducer. Capture with AstroDMx Capture and an SV605MC camera. Stack of best 50% frames of a 2000 frame 16 bit SER file taken through a UHC-E filter.
80.2% waxing Moon with a William Optics 81mm APO refractor with 0.8 flattener/reducer. Capture with AstroDMx Capture and an SV605MC camera. Stack of best 50% frames of a 2000 frame 16 bit SER file taken through a UHC-E filter.
Click on the image to get a closer view
Steve Wainwright and Nicola Mackin
The North America nebula
NGC7000 the North America Nebula. I was using a 1300D DLSR Canon camera mounted on an 80ED APO Skywatcher refactor telescope with a field flatterner and an Optolong LeNhance filter. The telescope was mounted on an EQ5 GOTO Mount. I used a Bahtinov mask for focusing and an intervalometer was used to control the camera. Settings were 2min 15s and 1600ISO.The image is a stack of 90 images, 13 dark frames 20 flat frames, all stacked in DSS, processed in Siril and GIMP 2.10 and Neat Image.
Click on the image for a closer view
NGC7000
Chris Playle
The Omega (Swan) nebula
Omega nebula monochrome through a UHC-E filter with an SV605MC camera, an 81mm William Optics APO refractor at f/4.4 and AstroDMx Capture. Stack of 80 x 45s exposures
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The Omega nebula
Steve Wainwright and Nicola Mackin
The Pelican nebula
The Pelican Nebula. Total imaging time of 3.5 hours. I have processed the images in RGB and SHO in Pixinsight.
William Optics Zenithstar 73III
ZWO 533MC Pro
L-Enhance filter
Click on an image to get a closer view
The Pelican nebula
John Beer
Tuesday, May 30, 2023
Monochrome Lagoon nebula
Lagoon nebula monochrome through a UHC-E filter with an SV605MC camera, an 81mm William Optics APO refractor at f/4.4 and AstroDMx Capture. Stack of 25 x 45s exposures
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The Lagoon nebula
Steve Wainwright and Nicola Mackin
71.7 % waxing Moon
71.7% waxing Moon with a William Optics 81mm APO refractor with 0.8 flattener/reducer. Capture with AstroDMx Capture.
The best 1000 frames of a 2000 frame SER file were stacked in Autostakkert!, wavelet processed in wavSharp and post processed in the Gimp and ACDSee.
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Steve Wainwright and Nicola Mackin
Pickerings triangle
This is the central part of the veil nebula. The conditions last night however were far from ideal. A rather hazy sky, intermittent clouds and at various points gusts of wind.
I also had some guiding issues. This meant I lost about 1/3 of the frames I captured over 3 hours 10 minutes. However I am happy enough with the result.
WO Zenithstar 73III
ZWO 533MP Pro
L-Enhance filter
Processed in Pixinsight
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John Beer
Monday, May 29, 2023
Western and Eastern Veil nebulae
A 2 pane mosaic image of the western and eastern Veil nebulae shot in SHO taken last night at Fairwood. Each panel comprise some 1.3 hrs total exposure of 5 min SHO subs taken with my ASI 533 MM Pro camera and filter wheel set attached to my EDF60 doublet refractor fitted with a 0.8 x FR.
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Western and Eastern Veil nebulae
NGC7000
NGC7000 The North Ameerica Nebula. Settings were 2min and 15s at 1600ISO. I was using a 1300D DLSR Canon camera mounted on a 80ED APO Refractor telescope with a field flattener and an Optolong LeNhance filter. The telescope was mounted on an EQ5 GOTO Mount. I used a Bahtinov mask for focusing on a bright star and an intervalometer to control the camera. The image was a stack of 40 images, 13 darks and 20 flats frames all stacked in DSS and processed in Siril and GIMP 2.10.
Click on the image to get a closer view
The North America nebula
Chris Playle
Sunday, May 28, 2023
52.4% waxing Moon
Mosaic of 4 overlapping panels of the 52.4% waxing Moon with a Skymax 127, AstroDMx Capture and an SV705C OSC CMOS camera.
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52.4% waxing, gibbous Moon
Steve Wainwright and Nicola Mackin
The Eagle nebula with AstroDMx Capture and an SV605MC camera
A William Optics 81mm APO doublet with an 0.8 reducer-flattener was mounted on an AVX mount. The mount was controlled by AstroDMx Capture via an INDI server on a Raspberry Pi Computer. The scope was fitted with an Altair magnetic filter holder. an SV605MC camera was placed at the focus of the scope and was focused with a Bahtinov mask on a bright star.
AstroDMx Capture sent the mount/scope to the Eagle nebula, plate solved and centred the object.
AstroDMx Capture captured 20 x 2 minute FITS exposures of the Eagle nebula through each of H-alpha, SII and OIII narrowband filters.
Flatfields were captured using a green filter and an illuminated tracing panel as the diffused source of light at the end of the imaging session.
The separate groups of images were calibrated, stacked and part processed in Siril and post processed in the Gimp. The colour channels were combined in the Gimp to different palettes. The two presented here are the SHO and the HSO palettes. Star removal techniques were used with the Starnet++ plugin for Gimp and processed with Neat Image, Photoscape X Pro and the Gimp 2.10.
Click on an image to get a closer view
The Basic Hubble Palette SHO of the Eagle nebula
The selective colour enhanced version of the Hubble Palette
The selective colour enhanced version of the HSO palette that I some time ago dubbed the Stokes Palette was also produced. I described the schema for producing this palette on April 9th.
The 'Stokes Palette'
Steve Wainwright and Nicola Mackin
The Western Veil nebula and M101
Western Veil nebula
An hour of SHO from Fairwood on the 26th and 2 hours from the back garden taken last night.
M101
Chris Bowden
The cocoon nebula and the Gamma Cygni nebula
The Cocoon Nebula. Settings were 2min and 3200ISO. I was using a 13D DLSR Canon camera mounted on an 80ED APO Skywatcher refactor telescope with a field flatterner and an Optolong LeNhance filter. The telescope was mounted on an EQ5 GOTO Mount. I used a Bahtinov mask for focusing on a bright star and an intervalometer to control the camera. The image is a stack of 95 images 20 flat frames and 15 dark frames all stack in DSS and processed in Siril and GIMP 2.10.
Two different colours of the Gama Camma Cygni nebula. Settings were 2min and 15s and 3200iso. I was using a 1300D DLSR Canon camera mounted on an 80ED APO Skywatcher refractor telescope with a field flattener and an Optolong LeNhance filter. The telescope was mounted on an EQ5 GOTO Mount. I used a Bahtinov mask for focusing on a bright srar and an intervalometer to control the camera. The image is a stack of 90 images, 13 dark frames and 20 flats frames all stacked in DSS and processed in Siril and GIMP 2.10.
Chris Playle
Cygnus nebulae
The Eastern Veil nebula Taken with my William optics Zenithstar 73 III ZWO 533MC Pro L-enhance filter and processed in Pixinsight 3 hours worth of data.
The Western Veil nebula Taken with my William optics Zenithstar 73 III ZWO 533MC Pro L-enhance filter and processed in Pixinsight 3 hours worth of data.
The North American Nebula Taken with my William optics Zenithstar 73 III ZWO 533MC Pro L-enhance filter and processed in Pixinsight RGB and redone in SHO.
The Crescent nebula Taken with my William optics Zenithstar 73 III ZWO 533MC Pro L-enhance filter and processed in Pixinsight 3 hours integration
John Beer
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