Search
Relevé Lumière Blanche du 2023-07-18 08:40 UTC
Whitelight — July 18, 2023 at 08:40 AM · by astrololo31 · Wolf 137 · A 1 ⚠Warning — Your eye must be behind a suitable filter! Never look at the Sun without proper visual protection! Can cause serious eye damage or blindness!
Whitelight solar observation made on July 18, 2023 by astrololo31 and published on Wolf.Solar. Wolf number 137 (8 groups, 57 spots). Naked-eye A number 1. Carrington rotation 2273.
Counts
| A number (naked eye) ⚠Warning — Your eye must be behind a suitable filter! Never look at the Sun without proper visual protection! Can cause serious eye damage or blindness! | 1 |
|---|
| Groups | 8 |
|---|
| Groups North | 4 |
|---|
| Groups South | 4 |
|---|
| Spots | 57 |
|---|
| Spots North | 49 |
|---|
| Spots South | 8 |
|---|
| Plages | 2 |
|---|
| Q value | 26 |
|---|
Conditions
| Seeing | 3 / 5 |
|---|
| Cloud cover (octas) | 1 |
|---|
Ephemerides
| Carrington rotation | 2273 |
|---|
| L₀ | 266.54° |
|---|
| B₀ | 4.60° |
|---|
| P | 4.96° |
|---|
| Declination | 21.04° |
|---|
| Julian day | 2460143.86111 |
|---|
View on Wolf.Solar ↗
Ciel voilé