2024-06-05 13:37 UTC
First in a series of two observations during an active solar summer.
Observer Comments
| Target Description | Another observation after an active solar period. Not as spectacular as a month earlier, but still quite active. Angles estimated using the measurement tool in Affinity Photo, and should be reasonably accurate. I used the grid to scale the tool to angular degrees separately for E-W and N-S directions, and rounded to the nearest quarter degree. |
| Image Capture Description | Captured from my back deck. This was an opportunistic capture so I believed transparency was good; however seeing was only fair. Longitude and latitude lines added by a Freeware Windows program called Helio Viewer. |
| Program Links | <Previous | Sunspotter Program | Next> |
Capture Details & Sunspot Analysis
| Observer | MG |
| Date and Time Observed (UTC) | 2024-06-05 12:37:00 |
| Conditions | Sky Quality: Good Seeing: 3-Fair (2"-3") |
| Obs. Lat/Long | 42° 17', 073° 57' |
| Instrument | Seestar S50 f5.0-250mm FL |
| Camera | Seestar Built-in SONY IMX462 Sensor |
| Solar Filter Used | Seestar Filter |
| Post Processing | Bandpass sharpening (fine) applied and levels adjusted in Affinity Photo |
Sunspot Group Analysis (Image 1) | |
| McIntosh Sunspot Classification | Dko |
| Answer the Following:
-- Is granulation visible? Yes -- Is penubral grain visible? No -- Does image show Wilson effect? No I suspect sunspots are too far from limb to show strong Wilson Effect. | |
Disk Analysis | |
| Total Sunspot Count:
-- (G)roups: North=4 + South=2 = 6 (total=G) -- (S)unspots: North=10 + South=4 = 14 (total=S) Wilson Sunspot Number (R) = -- 10 x 6(G)+14(S)= 74 See Gallery for Macintosh Sunspot Classification for each group | |