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This log contains images of sunspots
photographed in white light (with continuum filter 10nm/540nm) and in
near-UV Calcium K (CaK-line 8nm/390-398nm). For my images done for the Astronomical League's Sunspotter Observing Program, click here. |
Carrington rotation start dates for 2023
|
Rotation |
Date (UTC) |
 |
Rotation Number |
Date (UTC) |
|
| 2266 | January 1st, 2023 9:10 | 2273 | July 11th, 2023 7:08 | ||
| 2267 | January 28th, 2023 17:18 | 2274 | August 7th, 2023 12:16 | ||
| 2268 | February 25th, 2023 1:27 | 2275 | September 3rd, 2023 18:03 | ||
| 2269 | March 24th, 2023 9:06 | 2276 | October 1st, 2023 0:31 | ||
| 2270 | April 20th, 2023 15:49 | 2277 | October 28th, 2023 7:28 | ||
| 2271 | May 17th, 2023 21:29 | 2278 | November 24th, 2023 14:48 | ||
| 2272 | June 14th, 2023 2:24 | 2279 | December 21st, 2023 22:30 | ||
Whole Solar Disk Images
in White Light
All are my own images expect the SDO images
from soho.nascom.nasa.gov
Solar North is Up, East is left
| Observation & Imaging Data |
Image | SDO Reference Image | Other Images | |
| 1. Date/time: 2023.07.24 13:40 UTC Carrington Rotation: 2273 Sky Quality (seeing): 3/5 Clouds: <1% Wind: <3 mph Temp: 75°F Location: Atlanta GA Telescope: 80 mm refractor stopped to 40mm aperture Telescope focal length: 560 mm Camera: ASI 174mm Filter: 1.25" Herschel wedge with ND3 filter Capture details: SharpCapPro, 3x1200 frames SER @ 0.5 ms, gain 4; best 10% frames in PIPP and again in AutoStakkert; sharpness & levels tweaked in Topaz & Photoshop. Flats applied during capture. |
 White Light with Continuum sent to ALPO |
 SDO Image with labels |
 AR3377-AR3379-AR3382-AR3383 6.6ms@gain 4, best 120 of 3600, stacked sent to ALPO |
|
| 2. Date/time: 2023.07.25 13:41 UTC Carrington Rotation: 2273 Sky Quality (seeing): 3/5 Clouds: 0% Wind: <3 mph Temp: 80°F Location: Atlanta GA Telescope: 80 mm refractor stopped to 40mm aperture Telescope focal length: 560 mm Camera: ASI 174mm Filter: 1.25" Herschel wedge with ND3 filter Capture details: SharpCapPro, 3x1200 frames SER @ 0.68 ms, gain 4; best 10% frames in PIPP and again in AutoStakkert; sharpness & levels tweaked in Topaz & Photoshop. Flats applied during capture. |
 White Light with Continuum sent to ALPO |
no CaK today |
 SDO Image with labels |
|
| 3. Date/time: 2023.07.26 13:20 UTC (WL), 13:54 UTC (CaK) Carrington Rotation: 2273 Sky Quality (seeing): 2/5 Clouds: <1% Wind: 1-2 mph Temp: 79°F Location: Atlanta GA Telescope: 80 mm refractor full aperture Telescope focal length: 560 mm Camera: ASI 174mm Filter: 1.25" Herschel wedge with ND3 filter Capture details: SharpCapPro, 3x1200 frames SER @ 1.6 ms, gain 4 (WL); 82 ms, gain 140 (CaK); best 10% frames in PIPP and again in AutoStakkert; sharpness & levels tweaked in Topaz & Photoshop. Flats applied during capture. |
 White Light with Continuum |
 CaK Whole Disk |
 SDO Image with labels |
|
| 4. Date/time: 2023.07.27 14:25 UTC Carrington Rotation: 2273 Sky Quality (seeing): 3/5 Clouds: 17% Wind: 1 mph Temp: 89°F Location: Atlanta GA Telescope: WOz61 mm refractor Telescope focal length: 360 mm Camera: ASI 174mm Filter: Baader Continuum 8nm/540nm; 1.25" Herschel wedge with ND3 filter (too much!) Capture details: SharpCapPro, 3x1200 frames SER @ 23 ms, gain 4; best 10% frames in PIPP and again in AutoStakkert; sharpness & levels tweaked in Topaz & Photoshop. Flats applied during capture. |
 White Light with Continuum |
 SDO Image with labels |
 AR 3386 + AR 3387 7/27/2023 UTC 14:41 28 ms, best 120 of 3600, stacked |
|
| 5. Date/time: 2023.07.28 13:33 UTC (WL) 14:05 (CaK) Carrington Rotation: 2273 Sky Quality (seeing): 3/5 Clouds: 16% Wind: 3 mph Temp: 86°F Location: Atlanta GA Telescope: WOz61 mm refractor 2X Telescope focal length: 360 mm Camera: ASI 174mm Filter: Baader Continuum 8nm/540nm; 1.25" Herschel wedge with ND3 filter Capture details: SharpCapPro, 1x1200 frames SER @ 10 ms (WL), 90ms (CaK), gain 10 (WL), 200 (CaK); best 120 frames in AutoStakkert; sharpness & levels tweaked in Topaz & Photoshop. Flats applied during capture. |
 White Light with Continuum sent to ALPO |
 CaK Whole Disk sent to ALPO |
 SDO Image with labels |
|
| 6. Date/time: 2023.08.03 14:02 UTC Carrington Rotation: 2273 Sky Quality (seeing): 2.5/5 Clouds: 0% Wind: 5 mph Temp: 75°F Location: Ann Arbor MI Telescope: WOz61 mm refractor 2X Telescope focal length: 360 mm Camera: ASI 174mm Filter: Baader Continuum 8nm/540nm; 1.25" Herschel wedge with ND3 filter Capture details: SharpCapPro, 1x1200 frames SER @ 4ms, gain 30; best 120 frames in AutoStakkert; sharpness & levels tweaked in Topaz & Photoshop. Flats applied during capture. |
 White Light with Continuum sent to ALPO |
no CaK today |
 SDO Image with labels |
|
| 7a. Date/time: 2023.08.04 13:47 UTC (WL), 14:50 UTC (CaK) Carrington Rotation: 2273 Sky Quality (seeing): 2/5 Clouds: 0% Wind: 8 mph Temp: 75°F Location: Ann Arbor MI Telescope: WOz61 mm refractor 2X Telescope focal length: 360 mm Camera: ASI 174mm Filter: Baader Continuum 8nm/540nm; 1.25" Herschel wedge with ND3 filter for WL; ND1.8 for CaK Capture details: SharpCapPro, 1x1200 frames SER @ 4 ms (WL), 1.4ms (CaK), both at gain 40; best 120 frames in AutoStakkert; sharpness & levels tweaked in Topaz & Photoshop. Flats applied during captures. |
 White Light with Continuum sent to ALPO |
 CaK Whole Disk sent to ALPO |
 SDO Image with labels |
|
| 7b. Date/time: 2023.08.04 14:59 UTC Carrington Rotation: 2273 Sky Quality (seeing): 2/5 Clouds: 0% Wind: 8 mph Temp: 75°F Location: Ann Arbor MI Telescope: WOz61 mm refractor 3X Telescope focal length: 360 mm Camera: ASI 174mm Filter: CaK 10nm/394nm; 1.25" Herschel wedge with ND1.8 filter Capture details: SharpCapPro, 1x1200 frames SER @ 4 ms, gain 40; best 120 frames in AutoStakkert; sharpness & levels tweaked in Topaz & Photoshop. No flats. |
 CaK, closeup Eastern limb sent to ALPO |
 CaK, closeup NW sector with Western limb sent to ALPO |
||
| 8. Date/time: 2023.08.08 15:20 UTC (WL), 15:13 UTC (CaK) Carrington Rotation: 2274 Sky Quality (seeing): 2.5/5 Clouds: 15% Wind: 8 mph Temp: 72°F Location: Ann Arbor MI Telescope: WOz61 mm refractor 2X Telescope focal length: 360 mm Camera: ASI 174mm Filter: Baader Continuum 8nm/540nm; 1.25" Herschel wedge with ND1.8 filter for both WL and CaK Capture details: SharpCapPro, 1x1200 frames SER @ 0.19 ms (WL), 1.6ms (CaK), both at gain 40; best 120 frames in AutoStakkert; sharpness & levels tweaked in Topaz & Photoshop. Flats applied during captures. |
 White Light with Continuum sent to ALPO |
CaK Whole Disk sent to ALPO |
 SDO Image with labels |
|
| 9. Date/time: 2023.08.09 at 13:41 UTC (WL), 14:03 UTC (CaK) Carrington Rotation: 2274 Sky Quality (seeing): 2.5/5 Clouds: 1% Wind: 6 mph Temp: 73°F Location: Ann Arbor MI Telescope: WOz61 mm refractor 2X Telescope focal length: 360 mm Camera: ASI 174mm Filter: Baader Continuum 8nm/540nm; 1.25" Herschel wedge with ND1.8 filter for both WL and CaK Capture details: SharpCapPro, 1x1200 frames SER @ 0.24 ms (WL), 2.7ms (CaK), both at gain 40; best 120 frames in AutoStakkert; sharpness & levels tweaked in Topaz & Photoshop. Flats applied during captures. |
 White Light with Continuum sent to ALPO |
 CaK Whole Disk sent to ALPO |
 SDO Image with labels |
|
| 10a. Date/time: 2023.08.10 at 14:17 UTC (WL), 14:07 UTC (CaK) Carrington Rotation: 2274 Sky Quality (seeing): 2/5 Clouds: 7% Wind: 11 mph Temp: 77°F Location: Ann Arbor MI Telescope: WOz61 mm refractor 2X Telescope focal length: 360 mm Camera: ASI 174mm Filter: Baader Continuum 8nm/540nm; 1.25" Herschel wedge with ND1.8 filter for both WL and CaK Capture details: SharpCapPro, 1x1200 frames SER @ 0.23 ms (WL), 2.2ms (CaK), both at gain 40; best 120 frames in AutoStakkert; sharpness & levels tweaked in Topaz & Photoshop. Flats applied during captures. |
 White Light with Continuum sent to ALPO |
 CaK Whole Disk sent to ALPO |
 SDO Image with labels |
|
| 10b. Date/time: 2023.08.10.15:35-16:07 UTC AR 3395 C2.7 Xray flare event with type III/1 RSP (Radio Sweep Burst) across all monitored frequencies. |
 |
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| 11. Date/time: 2023.08.11 at 13:36 UTC (WL), 13:53 UTC (CaK) Carrington Rotation: 2274 Sky Quality (seeing): 2/5 Clouds: 2% Wind: 11 mph Temp: 63°F Location: Ann Arbor MI Telescope: WOz61 mm refractor 2X Telescope focal length: 360 mm Camera: ASI 174mm Filter: Baader Continuum 8nm/540nm; 1.25" Herschel wedge with ND1.8 filter for both WL and CaK Capture details: SharpCapPro, 1x1200 frames SER @ 0.23 ms (WL), 2.2ms (CaK), both at gain 40; best 120 frames in AutoStakkert; sharpness & levels tweaked in Topaz & Photoshop. Flats applied during captures. |
 White Light with Continuum sent to ALPO |
 CaK Whole Disk sent to ALPO |
 SDO Image with labels |
|
| 12. Date/time: 2023.08.12 at 14:06 UTC (WL), 13:51 UTC (CaK) Shooting through clouds, difficult; Could only get 270 frames in WL Carrington Rotation: 2274 Sky Quality (seeing): 2/5 Clouds: 46% Wind: 11 mph Temp: 63°F Location: Ann Arbor MI Telescope: WOz61 mm refractor 2X Telescope focal length: 360 mm Camera: ASI 174mm Filter: Baader Continuum 8nm/540nm; 1.25" Herschel wedge with ND1.8 filter for both WL and CaK Capture details: SharpCapPro, 1x270 frames (clouds swallowed the sun!) SER @ 0.23 ms (WL), 1x1200 frames @ 2.2ms (CaK), both at gain 40; best 120 frames in AutoStakkert; sharpness & levels tweaked in Topaz & Photoshop. Flats applied during captures. |
 White Light with Continuum, taken through clouds did not send this image to ALPO |
 CaK Whole Disk sent to ALPO |
 SDO Image with labels |
|
| 13. Date/time: 2023.08.13 at 13:43 UTC (WL), 14:01 UTC (CaK) Carrington Rotation: 2274 Sky Quality (seeing): 2/5 Clouds: 8% Wind: 4 mph Temp: 67°F Location: Ann Arbor MI Telescope: WOz61 mm refractor 2X Telescope focal length: 360 mm Camera: ASI 174mm Filter: Baader Continuum 8nm/540nm; 1.25" Herschel wedge with ND1.8 filter for both WL and CaK Capture details: SharpCapPro, 1x1200 frames SER @ 0.23 ms (WL), 2.2ms (CaK), both at gain 40; best 120 frames in AutoStakkert; sharpness & levels tweaked in Topaz & Photoshop. Flats applied during captures. |
 White Light with Continuum sent to ALPO |
 CaK Whole Disk sent to ALPO |
 SDO Image with labels |
|
| 14. Date/time: 2023.08.27 at 14:38 UTC (WL), 14:05 UTC (CaK) Carrington Rotation: 2274 Sky Quality (seeing): 3/5 Clouds: 1% Wind: 1 mph Temp: 68°F Location: Ann Arbor MI Telescope: WOz61 mm refractor 2X Telescope focal length: 360 mm Camera: ASI 174mm Filter: Baader Continuum 8nm/540nm; 1.25" Herschel wedge with ND1.8 filter for both WL and CaK; capture details: SharpCapPro, 1x1200 frames SER; Whole Disk @ 0.25 ms g40 (WL), 1.28ms g100(CaK); Closeups @ 1.3 ms g100 (WL), 6ms g100(CaK); best 120 frames in AutoStakkert; sharpness & levels tweaked in Topaz & Photoshop. Flats applied during captures. |
 White Light with Continuum sent to ALPO  WL, closeup AR 3415 & AR 3415 sent to ALPO |
 CaK Whole Disk sent to ALPO  CaK, closeup AR 3415 & AR 3415 sent to ALPO |
 SDO Image with labels |
|