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The Sun, 25 January 1984 - 25 August 2021

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John Hughes, 25 August 2021.

Active Region AR12860 located S27E36 on the solar disc and comprising 10 sunspots. The region has been classified Cao. The image has been inverted and false colour added. Lunt LS60THa/B1200CPT telescope, ZWO ASI174mm camera with tilt adapter, SkyWatcher EQ6R-Pro mount and Tele Vue 4x Barlow lens. 300 of 1000 frames stacked.

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John Hughes, 19 August 2021.

The image shows a prominence which has been visible on the north-east limb of the solar disc for several days and which, due to the rotation of the Sun, has now moved partly on to the disc itself, resulting in a "filaprom". Active region AR12858 is positioned near the centre of the disc at N12E03 with six spots and is classified Cro. Lunt LS60THa/B1200CPT telescope, ZWO ASI174mm camera with tilt adapter, SkyWatcher EQ6R-Pro mount and an Altair Astro 3x Barlow lens.

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John Hughes, 11 August 2021.

The solar disc showing active region AR12853 moving away from the eastern limb. Some filaments are visible below it, and some prominences in the 10 o’clock and 7 o’clock positions. Lunt LS60THa/B1200CPT telescope, ZWO ASI174mm camera with tilt adapter, SkyWatcher EQ6R-Pro mount. Images acquired using SharpCap Pro.

Sun/20210811_092528_AR12853_JWH.png

John Hughes, 11 August 2021.

A closer view of AR12853 from the preceding image. Three features are clearly visible: (1) bright regions within the active region - these are small, low energy class A flares; (2) a filament to the south and (3) another filament within the active region itself. Equipment as above plus Tele Vue 4x Powermate.

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John Hughes, 11 August 2021.

The preceding image inverted, to provide a different perspective. The prominences are now visible on the solar limb.

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John Hughes, 11 August 2021.

A cropped version of AR12853 providing greater detail from the preceding image. Imaged at 09:25 UT, AR12853 was producing low energy class A flares measuring 5.66x10-7 Wm-2. This increased to 9.43x10-7 Wm-2 at 19.30 UT. This doesn’t seem much until you consider the vast area covered by the flare region!

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John Hughes, 11 August 2021.

The preceding image inverted.

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John Hughes, 29 July 2021.

Prominence on the south-west limb. Lunt LS60THa/B1200CPT telescope, ZWO ASI174mm camera with tilt adapter, SkyWatcher EQ6R-Pro mount. Camera used in mono 16 mode and histogram increased to 80% to capture the chromosphere and prominences. Best 40% of 1,000 images stacked. Exposure time 10.7 ms, gain 100.

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John Hughes, 29 July 2021.

Prominence on the north-east limb. Equipment and processing as above.

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John Hughes, 29 July 2021.

Active region AR12847. Equipment and processing as above, except 5x Powermate used, exposure time 20 ms, gain 150 and camera binned 2x2. Binning increased the pixel size from 5.86 μm to 11.72 μm and enabled me to push processing further without introducing the noise I saw in a similar image without binning.

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John Hughes, 13 July 2021.

Full disk inverted, providing an overview of prominences, active region AR12842 and active region AR12841 (no designated sunspot). Lunt LS60THa/B1200CPT telescope, ZWO ASI174mm camera with tilt adapter, SkyWatcher EQ6R-Pro mount. Exposure time 2 ms, gain 0. One hundred and twenty of 1,000 frames acquired using SharpCap Pro, processed using AutoStakkert 3, ImPPG, PIPP, Affinity Photo and PixInsight.

Sun/20210713_AR12842_JWH.png

John Hughes, 13 July 2021.

Inverted image of AR12842, classification Hsx, along with a nice filament to the east. Also on view is an anomalous prominence, a curved prominence and straight pillar prominence. Exposure time 10 ms, gain 80. One hundred and seventy-four out of 1,000 frames stacked. Equipment and processing as above plus Altair Astro 3x Barlow.

Sun/20210713_pillar_prom_JWH.png

John Hughes, 13 July 2021.

A straight pillar prominence located on the south-east limb. Note: approximately five hours earlier, at 10:20 UT, the feature was captured in the full disk image (two images above) and looked completely different. Exposure time 10.5 ms, gain 80. One hundred out of 1,000 frames. Equipment and processing as above.

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John Hughes, 13 July 2021.

The above image inverted and rotated 90° clockwise with a solar ruler superimposed to enable estimation of the height of the straight prominence.

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John Hughes, 24 June 2021.

The solar disk shows active region AR12833 moving out of view, and a large filament following. Lunt 60mm THa/B1200CPT, ZWO ASI174mm monochrome camera, SkyWatcher EQR6-Pro mount. Exposure 2 ms, gain 0. Processed using AutoStakkert 3 and PixInsight.

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John Hughes, 24 June 2021.

The "ring of fire" reveals prominences on the solar limb. Equipment and processing as above. Exposure 5 ms, gain 200.

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John Hughes, 24 June 2021.

Prominence on the north-east limb. Exposure 30 ms, gain 189. Equipment and processing as above plus Altair Astro 3x Barlow lens.

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John Hughes, 24 June 2021.

A close up of the above prominence. Equipment and processing as above but TelevVue 5x Barlow lens rather than Altair Astro 3x. Exposure 30 ms, gain 200.

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John Hughes, 24 June 2021.

Image scale superimposed on the prominence using Affinity Photo.

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John Hughes, 24 June 2021.

Prominence on the north-west limb. Equipment and processing as above plus Altair Astro 3x Barlow lens. Exposure 30 ms, gain 189.

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John Hughes, 24 June 2021.

Image scale superimposed on the prominence using Affinity Photo.

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John Hughes, 10 June 2021.

A small prominence on the north west limb. Lunt 60mm THa/B1200CPT, ZWO ASI174mm, SkyWatcher EQR6-Pro and Altair Astro 3x Barlow. Exposure 18 ms, gain 210. Six hundred frames captured, best 25% stacked.

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John Hughes, 10 June 2021.

Impressive prominences on the south west limb. Equipment and imaging details as above.

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John Hughes, 10 June 2021.

Close up of AR12832, a small active region north of the centre of the solar disc. Exposure 11 ms, gain 45. One thousand frames captured, best 25% stacked. Equipment as above.

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John Hughes, 10 June 2021.

Active region AR12829, close to the south west limb. Exposure 13 ms, gain 30. One thousand frames captured, best 25% stacked. Equipment as above.

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John Hughes, 10 June 2021.

Solar disk captured at 08:34 UT. Exposure 2.5 ms, gain 0. One thousand frames, best 25% stacked. Equipment as above, minus Barlow lens.

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John Hughes, 06 June 2021.

Active regions AR12827, AR12828 and AR12829. Note that there is no sunspot at present associated with AR12828. Lunt LS60THa/B1200CPT, ZWO ASI174mm, SkyWatcher EQ6R-Pro and Altair Astro 3x Barlow. One thousand frames captured, the best 25% stacked in Autostakkert 3 and processed in ImPPG and PixInsight.

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John Hughes, 05 June 2021.

An inverted image reveals a filament to the east of active region AR12829. Equipment and processing as above.

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John Hughes, 03 June 2021.

Active region AR12827 is fading and nearing its end as a visible sun spot as it approaches the western limb of the Sun. (The appearance of AR12827 over the eastern limb is recorded below.) Equipment and processing as above.

Sun/20210531_0927_Sun_JWH.gif

John Hughes, 31 May 2021.

A prominence on the south-western solar limb. Lunt 60mm THa/B1200CPT with 5x Powermate, ZWO ASI174mm and SkyWatcher EQ6R Pro. Time-lapse created from one hundred and fifty 500-frame videos separated by 60 s gaps. Videos captured 07:21-09:27 UT. I used AutoStakkert3! to stack each video retaining the best 25% of frames to create a TIF image. This created 184 TIF files which I bulk-processed with PixInsight, using Process Container to crop, sharpen and add colour to a single image and then Image Container to apply the same transformations to all the TIF files. Finally, I aligned the images using ImPPG and joined them in PIPP to create a time-lapse GIF.

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John Hughes, 30 May 2021.

A prominence on the western solar limb. Equipment and processing as above, except time-lapse created from 34 videos, each comprising 1000 frames. Videos captured 08:44-09:18 UT. Watch out on the left of the prominence for a faint jet of plasma ejected into space.

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John Hughes, 30 May 2021.

Active region AR12827 recently appeared on the eastern limb to begin its journey across the solar disc. Lunt LS60THa/B1200CPT, ZWO ASI174mm, SkyWatcher EQ6R-Pro and Altair Astro 3x Barlow. One thousand frames captured, the best 25% stacked in Autostakkert 3 and processed in ImPPG and PixInsight.

Sun/20210524_061057_Sun_JWH.png

John Hughes, 24 May 2021.

Prominences and granulation are visible on the solar disc. Active region AR12824 is well placed for observation and the quieter AR12825 is appearing over the eastern limb. Hα image taken at 06:10:57 UT. Lunt 60mm THa/B1200CPT, ZWO ASI174mm and SkyWatcher EQ6R Pro. 2.5 ms exposure. Images captured using Sharp Cap Pro. Best 50% of 1000 images processed using AutoStakkert 3 (stacking); ImPPG (curve adjustment, no sharpening); Registax 6 (sharpening using wavelets) and PixInsight (final sharpening using restoration filter and s-curve applied to boost contrast).

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John Hughes, 24 May 2021.

Active region AR12824. Image taken at 06:20:30 UT. Details as previous image except for use of Altair Astro x3 Barlow lens, 20 ms exposure and best 25% of 1000 frames stacked.

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John Hughes, 24 May 2021.

Active region AR12824. Image taken at 06:31:31 UT. Details as above except for use of Tele Vue x5 Powermate and 30 ms exposure.

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John Hughes, 12 May 2021.

Prominences, granulation and active regions AR12822 and AR12823 are visible in this Hα image taken at 05:50:24 UT. Lunt 60mm THa/B1200CPT, ZWO ASI174mm and SkyWatcher EQ6R Pro. Best 25% of 1,000 frames captured using Sharp Cap Pro, stacked in AutoStakkert 3 and processed in ImPPG and PixInsight.

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John Hughes, 11 May 2021.

Close-up of active regions AR12822 and AR12823. Hα image taken at 09:56:24 UT. Equipment, imaging and processing as above.

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John Hughes, 10 May 2021.

Prominences, granulation and active regions AR12822 and AR12823 are visible in this Hα image taken at 17:52 UT. Equipment, imaging and processing as above.

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Martin Cook, 31 December 2020.

An image in Hα light at 13:12 UT shows considerable disturbance of the solar surface associated with active regions AR2794 and AR2795. Image captured two minutes after below image, with same equipment.

Sun/20201231_1310_Sun_MPC.jpg

Martin Cook, 31 December 2020.

An image in Hα light at 13:10 UT shows a large prominence. The solar disk is over-exposed to bring out detail in the latter. Lunt LS60THa/B1200 telescope, x2 Barlow lens, ZWO ASI178mm camera.

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Martin Cook, 07 November 2020.

An image in Hα light at 13:23 UT shows active region AR2781 on the solar surface. Lunt LS60THa/B1200 telescope, x2 Barlow lens, ZWO ASI178mm camera.

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John Hughes, 31 July 2020.

The Sun at 07:53:33 UT displaying two active regions and a gigantic solar prominence. AR2768, which recently appeared on the north-western limb, is to the left above middle, a huge prominence is visible on the south-western limb (bottom left) and AR2767 is soon to disappear on the eastern limb (middle right). Lunt LS60THa/B1200CPT telescope, ZWO ASI174mm camera, SkyWatcher EQ6R-Pro mount. Image captured in SharpCap Pro and processed with AutoStakkert 2, ImPPG and PixInsight. Best 75% of 1000 frames. False colour.

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John Hughes, 31 July 2020.

An overlay puts the image into context. It shows that the length of the prominence is at least 12 times the diameter of the Earth (12,756 km).

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John Hughes, 31 July 2020.

Close-up of AR2768 at 08:09:55 UT. Details as preceding image, apart from use of Tele Vue 5x Powermate Barlow lens and no false colour. A close-up of AR2767 from five days earlier is below (two images down).

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John Hughes, 31 July 2020.

Close-up of the prominence at 08:18:41 UT. Details as preceding image.

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John Hughes, 26 July 2020.

Active region AR2767 taken at 07:51:31 UT. Lunt LS60THa/B1200CPT telescope with Tele Vue x5 Powermate Barlow lens, ZWO ASI174mm camera, SkyWatcher EQ6R-Pro mount. Image captured in SharpCap Pro and processed with AutoStakkert 2, ImPPG and PixInsight. Best 75% of 200 frames. False colour.

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John Hughes, 22 June 2020.

The Sun in Hα light (of 656.28 nm wavelength) at 16:17 UT. Lunt LS60THa/B1200CPT telescope on SkyWatcher SolarQuest mount with ZWO ASI174mm camera and SharpCap Pro image capturing software. Exposure time was 2.649 ms. The image is formed from the best 75% of 200 frames, stacked using AutoStakkert2 with initial curve adjustments and sharpening in imPGG and final adjustments (de-hazing, contrast/brightness, embossing and colouring) in Affinity Photo.

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John Hughes, 22 June 2020.

A close up of the above image showing the prominence on the north-eastern limb. Taken at 16:34 UT. Equipment and processing details as above, apart from: 2.5x Powermate Barlow lens used, exposure time 10.185 ms and image formed from best 25% of 200 frames.

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Martin Cook, 09 June 2020.

The Sun in Hα light at 08:45 UT, with active region AR2765 showing a sunspot and filament. Lunt LS60THa/B1200 telescope, x2 Barlow lens, ZWO ASI178mm camera. 1.1 ms exposures. The image is formed from a stack of the best 15% of 2000 frames.

Sun/20200509_1100_Sun_Ha_MPC.jpg

Martin Cook, 09 May 2020.

A prominence on the solar limb in Hα light at 11:00 UT. Lunt LS60THa/B1200 telescope, x2 Barlow lens, ZWO ASI178mm camera. The image is formed from two videos each of 2000 frames. One video, using 5 ms exposures, is of the surface; the other, using 25 ms exposures, is of the prominence. The best 20% of frames of each video were stacked, to produce two images which were then processed in Photoshop to mask unwanted parts of each, combine the two and add false colour.

Sun/20200426_1230_Sun_Ha_MPC.jpg

Martin Cook, 26 April 2020.

A prominence on the solar limb in Hα light at 12:30 UT. Lunt LS60THa/B1200 telescope, x2 Barlow lens, ZWO ASI178mm camera. The image is formed from two videos each of 2000 frames. One video, using 7 ms exposures, is of the surface; the other, using 35 ms exposures, is of the prominence. The best 20% of frames of each video are stacked, to produce two images which are then processed in Photoshop to mask unwanted parts of each and combine the two.

Sun/20200404_1130_Sun_MPC.jpg

Martin Cook, 04 April 2020.

A prominence on the solar limb in Hα light at 11:30 UT. Lunt LS60THa/B1200 telescope and ZWO ASI178mm camera.

Sun/20190908_Sun_ML.jpg

Matthew Leeks, 08 September 2019.

Large prominences on the solar limb in Hα light. Lunt 60 mm telescope and Imaging Source DMK 41AU02 monochrome camera. Two one-minute videos captured for each of granulation and prominences. Approximately 1000 frames of each subject stacked down to one image of each, then overlapped and colourised.

Sun/20190826_142013_Sun_MPC.jpg

Martin Cook, 26 August 2019.

Large prominence on the solar limb in Hα light at 14:20 UT. Lunt LS60THa/B1200 telescope, x2 Barlow lens, QHY5P-II colour camera at 42 fps. Best 20% of 2000 images stacked in RegiStax 6.

Sun/20190825_105110_Sun_MPC.jpg

Martin Cook, 25 August 2019.

Large prominence on the solar limb in Hα light at 10:51 UT. Lunt LS60THa/B1200 telescope, QHY5P-II colour camera at 40 fps.

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John Hughes, 16 May 2019.

Solar active region AR2741. The animation is composed of 24 frames displayed in a repeating loop. Frames are recorded every four minutes; each is created from an AVI comprising 1,000 images, of which the best 50% are stacked in AutoStakkert2. The 24 images were then processed in PhotoShop: levels adjusted for contrast, then two passes of unsharp mask. (First pass 300% at 1 pixel; second pass 40% at 5 pixels.) The GIF tool in PhotoShop was used to create the time-lapse with 80 ms between each frame. William Optics Z103ED; ZWO ASI174MM camera; Quark Chromosphere.

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John Hughes, 14 May 2019.

Negative of the below image, showing the prominence more clearly.

Sun/20190514_Sun_Ha_prom.jpg

John Hughes, 14 May 2019.

The solar surface. Compiled from two images, one capturing the surface detail of the Sun with a 10 ms exposure and gain of 40, and the other with same exposure but the gain increased to show the prominence on the limb more clearly, effectively overexposing the surface. The two images are then overlaid in Photoshop using the "difference" layer setting, sharpening applied and levels adjusted. Taken with William Optics Z61, Daystar Quark Chromosphere, SharpCap, AutoStakkert2 and processed in Photoshop.

Sun/20190512_1244_AR2741_JWH.jpg

John Hughes, 12 May 2019.

Solar active region AR2741, one of two sunspots visible today. There are two umbral regions surrounded by the penumbra and a small plage to the bottom left of the spot. William Optics (WO) Z103, WO 1.25" diagonal, Quark Chromosphere, ZWO ASI174MM camera, Celestron AVX mount. Image produced from 1,000 frames then the best 600 stacked in Autostakkert2. Processed in Photoshop.

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Martin Cook, 11 November 2018.

A large solar prominence in Hα light, taken at 11:45 UT. Lunt LS50THa B600PT H-alpha solar telescope with 2x Barlow lens and QHY5P-II colour camera.

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Martin Cook, 29 September 2018.

A large solar prominence in Hα light, taken at 10:30 UT. Lunt LS50THa B600PT H-alpha solar telescope with 2x Barlow lens and QHY5P-II colour camera.

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Martin Cook, 05 August 2018.

A large solar flare in Hα light, taken at 12:00:04 UT. Lunt LS50THa B600PT H-alpha solar telescope with 2x Barlow lens and QHY5L-II colour camera. No sunspots were visible.

Sun/20180708_093219_Sun_MPC.png

Martin Cook, 08 July 2018.

Image of the Sun in Hα light, taken at 09:30 UT. Lunt LS50THa B600PT H-alpha solar telescope and QHY5L-II colour camera. Note the large flares at the two o'clock and five o'clock positions.

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Martin Cook, 07 May 2018.

Images of the Sun in Hα light, taken at 13:00 UT. Lunt LS50THa B600PT H-alpha solar telescope and QHY5L-II colour camera. There is a flare at the one o'clock position (shown with close-up).

Sun/20180422_130836_Sun_MPC.png

Martin Cook, 22 April 2018.

Images of the Sun in Hα light, taken at 13:09 UT. Lunt LS50THa B600PT H-alpha solar telescope and QHY5L-II colour camera. There is a large flare at the 12 o'clock position (shown with close-up) and a smaller one at 10 o’clock. At seven o’clock is sunspot group AR 2706.

Sun/20180419_Sun_AG.png

Andy Gibbs, 19 April 2018.

The disc of the Sun is featureless, but a few small prominences are visible around the lower edge (with close-up at bottom right). Coronado PST and QHY5L-II camera on Skywatcher Star Adventurer mount.

Sun/20170820_Sun_mtg_DM.jpg

David Murton, 20 August 2017.

Montage of images of the Sun in Hα light, taken 08:31-08:52 UT. Coronada PST with Altair GPCAMv2 IMX224 camera. Shows granulation, spicules, prominences, sunspots and plages.

Sun/20170713_Sun_AG.png

Andy Gibbs, 13 July 2017.

Large sunspot AR2665. The disturbance had started to decay but, a day later, unleashed a CME (coronal mass ejection) which was predicted to hit the Earth on 16-17 July. Coronado PST and QHY5L-II camera on Skywatcher Star Adventurer mount.

Sun/20170604_101227_Sun_DM.jpg

David Murton, 04 June 2017.

The Sun in Hα light, taken at 09:12 UT. Coronada PST with Altair GPCAMv2 IMX224 camera. Composite of smaller images stitched together.

Sun/20170604_100608_Sun_DM.jpg

David Murton, 04 June 2017.

The Sun in Hα light, taken at 09:08 UT. Coronada PST with Altair GPCAMv2 IMX224 camera. Composite of smaller images stitched together.

Sun/20170526_115357_Sun_DM.jpg

David Murton, 26 May 2017.

The Sun in Hα light, taken just before midday, UT. Coronado PST with Altair GPCAMv2 IMX224 camera and 2x Barlow lens.

Sun/20170324_Sun_AG.png

Andy Gibbs, 24 March 2017.

The Sun in white light. Meade 200 mm LX200 SCT. Kendrick white light filter. QHY5L-II camera. Just one sunspot (AR 2643) was visible; it had appeared after 15 spotless days at the beginning of the month.

Sun/20160903_082755_Sun_DM.jpg

David Murton, 03 September 2016.

The Sun in white light. William Optics ZS71 ED 71 mm, f/5.9 refractor on NEQ6 mount. Orion white light filter. Altair GPCAM v2 IMX224 camera. Image taken 10 minutes after the below one.

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David Murton, 03 September 2016.

The Sun in Hα.Coronado PST with Altair GPCAM v2 IMX224 camera.

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David Murton, 30 August 2016.

The Sun in Hα. Coronado PST with Altair GPCAM v2 IMX224 camera.

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David Murton, 02 July 2016.

The Sun in Hα. Coronado PST with Altair GPCAM v2 IMX224 camera. Many filaments are visible but no spots or prominences.

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David Murton, 25 June 2016.

The Sun in Hα. Coronado PST with Altair GPCAM v2 IMX224 camera.

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David Murton, 29 May 2016.

Details and equipment as below image. Taken on Day 2 of OASI's "Astronomy in the Park" event.

Sun/20160528_Sun_DM.jpg

David Murton, 28 May 2016.

The Sun in Hα. Coronado PST with Altair GPCAM v2 IMX224 camera. Taken on Day 1 of OASI's "Astronomy in the Park" event in Christchurch Park, Ipswich.

Sun/20160430_Sun_WL_DM.jpg

David Murton, 01 May 2016.

The Sun in white light. William Optics ZS71 ED 71 mm, f/5.9 refractor on NEQ6 mount. Orion white light filter. Altair GPCAM camera.

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David Murton, 01 May 2016.

Details and equipment as below image.

Sun/20160430_Sun_Ha_DM4.jpg

David Murton, 01 May 2016.

The Sun in Hα. Coronado PST and Altair GPCAM v2 IMX224 camera.

Sun/20160417_Sun_DM.jpg

David Murton, 17 April 2016.

The Sun in white light with a huge sunspot about to disappear over the western limb while a smaller one has recently appeared at the eastern limb. William Optics ZS71 ED 71 mm, f/5.9 refractor on NEQ6 mount. Orion white light filter. Altair GPCAM camera. Close up using 4x Powermate.

Sun/20160329_Sun_DM.jpg

David Murton, 29 March 2016.

A quiescent Sun. William Optics ZS71 ED 71 mm, f/5.9 refractor on NEQ6 mount. Altair GPCAM camera. Close up using 4x Powermate.

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David Murton, 27 September 2015.

The Sun in Hα. Coronado PST and QHY5L-II planetary camera.

Sun/20150926_Sun_KJF_5589.jpg

Kev Fulcher, 26 September 2015.

Skywatcher 200P on HEQ5 mount, RA driven. White light filter. Canon 70D camera.

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David Murton, 27 June 2015.

The Sun in Hα. Coronado PST and QHY5L-II planetary camera. (Taken at same time as below image.)

Sun/20150627_Sun_WL_DM.jpg

David Murton, 27 June 2015.

The Sun in white light.

Sun/20150414_Sun_MRH.png

Martin Richmond-Hardy, 14 April 2015.

Sunspots in white light. Skywatcher 200PDS Dobsonian, white-light Baader solar filter, 2x Barlow, Canon EOS 500D.

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David Murton, 23 March 2015.

The Sun in Hα. Coronado PST and QHY5L-II planetary camera.

Sun/20141025_Comp_MRH.png

Martin Richmond-Hardy, 25 October 2014.

The Sun with close-up of active region AR2192. White light. Skywatcher 200PDS Dobsonian, Baader solar filter, 2x Barlow for close-up, Canon EOS 500D.

Sun/20140823_Sun_MRH.jpg

Martin Richmond-Hardy, 23 August 2014.

The Sun in white light. Skywatcher 200PDS Dobsonian, Baader solar filter, Canon EOS 500D.

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Martin Richmond-Hardy, 07 July 2014.

Sunspots in white light. Skywatcher 200PDS Dobsonian, 2x Barlow, Baader solar filter, Canon EOS 500D.

Sun/20140703_Sun_MRH_2881.jpg

Martin Richmond-Hardy, 03 July 2014.

Sunspots in white light. Skywatcher 200PDS Dobsonian, 2x Barlow, Baader solar filter, Canon EOS 500D.

Sun/20140105_Sun_MJH.jpg

Mike Harlow, 05 January 2014.

The Sun in white light, with active region AR1944 (visible to the naked eye with a solar filter). The image was taken shortly after sunrise, with the Sun at very low altitude, so suffers from atmospheric distortion. Canon 550D with 500 mm Tamron lens.

Sun/20130729_Sun_JHJ.jpg

Jeremy Hennell James, 29 July 2013.

Sunspots and faculae in white light. Skywatcher 150 mm reflector with AstroZap Baader solar filter, Canon 5D MkIII.

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Andy Gibbs, 25 July 2012.

Large prominence in Hα. Coronado PST and Meade LPI.

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Mike Harlow, 12 July 2012.

The Sun in white light, with active region AR1520 (visible to the naked eye with a solar filter). Canon 550D with 500 mm lens and ND5 solar filter.

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Mike Norris, 13 May 2012.

The Sun in white light with sunspot group AR1476. Celestron C90 spotting scope with Baader AstroSolar Film and Meade 26 mm eyepiece (48x magnification). Hand-held Lumix compact camera.

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Mike Harlow, 08 May 2012.

Large sunspot group below imaged one day later. Equipment as below.

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Mike Harlow, 07 May 2012.

Large sunspot group in white light. Canon 550D with 500 mm lens and ND5 solar filter.

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Martin Cook, 02 June 2010.

Solar flare in Hα. Coronado PST and Olympus C765 camera using eyepiece projection.

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Martin Cook, 24 May 2010.

Solar flare in Hα. Coronado PST and Olympus C765 camera using eyepiece projection.

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Martin Cook, 27 October 2003.

White light image of solar active regions AR10484-9. Active regions AR10484 and AR10486 are among the largest ever recorded: AR10484 grew to approximately the size of the planet Jupiter! On 04 November 2003, AR10486 emitted a gigantic solar flare which, fortunately, was not aimed directly at Earth and therefore did not disrupt communications. Photograph of solar projection using 250 mm Dobsonian.

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Martin Cook, 28 May 2001.

White light image of sunspots in active region AR9463 (soon to disappear over the western limb). Photograph of image projected onto white card using the Tomline Refractor at Orwell Park Observatory.

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Roy Adams, 26 April 1984.

White light image of sunspot group circa 280,000 km in diameter.

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Roy Adams, 30 January 1984.

White light image of below sunspot group soon to disappear over the western limb. Image taken with same equipment as below. 8 ms exposure on 32 ASA film.

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Roy Adams, 25 January 1984.

White light image of sunspot group recently emerged over the eastern limb. 48 mm object glass coupled to Zenith camera giving 140x magnification. Solar filter. 2 ms exposure.