Donald Burghardt Photo Imaging - Sun

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Sat, 24 Oct 2026 11:26:34 +0200

Spot group 4560

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Sat, 24 Oct 2026 11:26:32 +0200

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Sat, 24 Oct 2026 11:21:33 +0200

Main spot of group 4513 in detail.

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Fri, 16 Oct 2026 10:50:15 +0200

Blend of two processings

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Thu, 15 Oct 2026 21:56:44 +0200

2026-10-07-092904

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Wed, 14 Oct 2026 22:43:13 +0200

Spot group 4551 2016-10-14, 13:11:41 UTC

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Wed, 14 Oct 2026 22:43:11 +0200

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Tue, 13 Oct 2026 12:42:14 +0200

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Tue, 13 Oct 2026 12:42:10 +0200

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Tue, 13 Oct 2026 12:42:09 +0200

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Tue, 13 Oct 2026 12:42:07 +0200

Group 4551

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Fri, 25 Sep 2026 15:36:31 +0200

Source: Sun_2026-09-21-152518.ser Target: Sun — H-alpha Method: Strata Warp Frames: 1074/2442 (top 44% selected) APs: 2260 Wavelet sharpening + Solar Tone Capture start: 2026:09:21 15:25:18 Capture end: 2026:09:21 15:27:18 Equipment: ZWO ASI585MM Pro, 0 mm at 0 mm, ZWO ASI585MM Pro 2.9 um (remembered choice) Scale: 1x Strata-Equipment: {"app_version":"Strata 1.4.1 (57)","blocks":["capture","equipment","camera","filter"],"camera":{"device_id":{"device_class":"camera","driver":"laminar.zwoASI","endpoint":{"kind":"embedded"},"fingerprint":"zwo:0","model":"ZWO ASI585MM Pro","serial":null,"vendor":"zwoASI","version":1},"model":"ZWO ASI585MM Pro","pixel_size_um":2.9,"sensor_height_px":2160,"sensor_width_px":3840},"capture":{"completeness":"complete","id":"8C6F32C4-F911-48B8-893C-F0A87FCCDC02","phase":"complete","target":"Sun — H-alpha","trailer_status":"valid"},"equipment":{"effective_focal_length_mm":0,"magnifier":{"factor":1,"kind":"none"},"profile_id":"72EF9E02-2F28-5DF7-B384-C7D66AD6D9BD","profile_name":"ZWO ASI585MM Pro","telescope":{"aperture_mm":0,"name":"","native_focal_length_mm":0,"type":"other"}},"filter":{"label":"H-alpha"},"schema_version":2,"written_at":"2026-09-24T19:10:01.642Z"}

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Fri, 28 Aug 2026 15:59:51 +0200

Test shot ASI432MM

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Mon, 24 Aug 2026 23:42:37 +0200

Main spot of group 4513 in detail.

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Mon, 24 Aug 2026 23:42:35 +0200

Sunspot in Hydrogen Alpha. Clearly visible are the magnetic plasma streams.

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Tue, 18 Aug 2026 17:53:11 +0200

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Sun, 16 Aug 2026 14:22:11 +0200

Main spot of group 4507, darker is down 0-2000 degrees cooler than the lighter parts.

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Sun, 16 Aug 2026 13:42:23 +0200

Software keeps amazing me. I could dig even deeper. Details in the wall of the void that a sunspot in reality is.

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Sun, 16 Aug 2026 12:20:26 +0200

Sunspot group 4507, darker is down 0-2000 degrees cooler than the lighter parts.

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Thu, 13 Aug 2026 16:38:04 +0200

Eclipse 2026. Puff low left is the top of the tall prominance peeking over the rim of the Moon.

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Thu, 13 Aug 2026 13:27:58 +0200

Eclipse 2026. Stupid mistake causes doubtful quality but useable. Nice mountain rim of the Moon.

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Thu, 13 Aug 2026 13:27:56 +0200

Eclipse 2026. Upper: 19:10hrs Lower: 20:10hrs

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Sat, 08 Aug 2026 23:09:23 +0200

It's not always about a good looking smooth image. Here filters were hardly used

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Sat, 25 Jul 2026 21:23:41 +0200

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Sat, 25 Jul 2026 21:23:39 +0200

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Sat, 25 Jul 2026 21:23:38 +0200

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Sat, 25 Jul 2026 17:30:11 +0200

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Thu, 23 Jul 2026 23:48:08 +0200

Detail of spotgroup 4493

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Wed, 22 Jul 2026 00:08:21 +0200

Sun Spot Group 4493 Beta-Gamma-Delta configuration, single etalon filtering on Ha (Hydrogen alpha 656.46nm)

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Wed, 22 Jul 2026 00:08:20 +0200

Sun Spot Group 4493 Beta-Gamma-Delta configuration, single etalon filtering on Ha (Hydrogen alpha 656.46nm)

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Fri, 26 Jun 2026 20:51:51 +0200

Sunspot group AR4478. Sony A7rV + Sony FE 5.6-6.3/200-600 G OSS + 2x teleconverter at 1200mm, Baader 5 foil filter, Lightroom, Topaz Denoise AI, NIK.

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Fri, 26 Jun 2026 20:51:48 +0200

Sunspot group AR4478. Sony A7rV + Sony FE 5.6-6.3/200-600 G OSS + 2x teleconverter at 1200mm, Baader 5 foil filter, Lightroom, Topaz Denoise AI, NIK.

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Fri, 29 May 2026 23:20:22 +0200

Combi of sunspots by the Sony A7rV and 200-600/5.6-6.3 G OSSII + TC20 teleconverter @1200mm + Baader Solar #5 and the Lunt LS60MT B1200Ha double stack. Finally the sun spots with umbra and penumbra in a Ha surface.

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Mon, 11 May 2026 22:27:21 +0200

Sunspot in Hydrogen Alpha. Clearly visible are the magnetic plasma streams.

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Mon, 11 May 2026 12:48:28 +0200

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Mon, 11 May 2026 11:10:38 +0200

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Wed, 29 Apr 2026 22:37:36 +0200

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Wed, 29 Apr 2026 22:37:14 +0200

From left to right sun spot groups 4425, 4424, 2423 and 4420.

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Wed, 29 Apr 2026 22:36:52 +0200

Top from left to right sun spot groups 4425, 4424 and 4420. Low: 4428 and 2423.

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Sun, 26 Apr 2026 21:10:18 +0200

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Fri, 24 Apr 2026 00:42:46 +0200

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Sun, 19 Apr 2026 19:56:30 +0200

The protuberance on top enlarged on the right. About 90 minutes later the lower of the two.

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Tue, 14 Apr 2026 15:12:23 +0200

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Tue, 14 Apr 2026 11:29:53 +0200

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Sun, 29 Mar 2026 13:27:44 +0200

Lunt LS60 Double Stacked, ASI585MC + Celestron X-cel LS 2x Barlow, Planetary System Stacker, Lightroom.

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Sun, 29 Mar 2026 00:14:31 +0100

Sunspot groups 4401 and 4402

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Sat, 28 Mar 2026 23:39:55 +0100

Sunspot groups 4404 and 4407

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Thu, 26 Mar 2026 15:52:29 +0100

Lunt LS60 Double Stack, Celestron X-Cel LX 2x Barlow, ZWO ASI585MC, ASIcap, Planetary System Stacker, Lightroom, Photoshop, NIK ColorFX.

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Sat, 07 Mar 2026 11:44:42 +0100

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Sat, 07 Mar 2026 11:44:40 +0100

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Sat, 07 Mar 2026 11:44:38 +0100

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Mon, 02 Mar 2026 19:38:06 +0100

Lunt LS60 + Celestron Barlow 2 + ASI585MC, ASI Studio, PlanetarySystemStacker, divers NIK contrastfilters, Lightroom.

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Wed, 25 Feb 2026 16:20:47 +0100

Improving every time but still a long way to go. Single shot with ZWO ASI585MC camera with Barlow 2. FireCapture, Siril, Topaz Denoise, Lightroom Classic, NIK.

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Sun, 08 Feb 2026 19:40:05 +0100

Lunt ST70/420 LS60MT PT B1200Ha, Camera ASI585MC, Firecapture, Siril (green channel), NIK, Topaz Denoise, Lightroom, best 1009 out of 10076 images.

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Wed, 04 Feb 2026 19:23:36 +0100

First reasonable image from my Lunt LS60MT PT B1200 Single stack (double is delayed in delivery) solar telescope. Nothing fancy but quick and dirty recording and processing. Sony A7rV directly on scope.

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Wed, 04 Feb 2026 19:18:43 +0100

Sun spot group 4366 on 4 February 2026

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Wed, 04 Feb 2026 19:18:41 +0100

Sun spot group 4366 on 2 February 2026

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Sun, 07 Dec 2025 15:43:49 +0100

Sunspot groups 4296 (left) and 4294 (right) (lower row) Class: Beta-Gamma-Delta. Both capable of heavy X-class CMEs. Only about 100K km apart being a real possible threat to Earth.

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Thu, 28 Aug 2025 20:16:41 +0200

Sun with Solar spot group #4191 left upper corner Baader AstroSolar Safety Film (OD 5.0). 1200mm, 1/50sec, f51, ISO 50