Photo reader astronomy: The sun on September 6, 2023
© Heiko Ulbricht
Significant growth in clusters of spots that were very small a couple of days ago. Visibility was very good except for some wind gusts.
Data about the image
| location | Fretal |
| time |
09/06/2023 at 3:15 PM CEST |
| Telescope/lens | Intes 150/900 MN + Canon EOS 6D Mark I + Baader VIP Barlow (F=1996mm, x factor 2.21) + TS ND 0.9 Neutral Density Filter, (1.25″, 13% transmission) + Baader Solar Film OD 3.8 |
| Exposure time | 19×1/800 sec |
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