 |
| ©pm (2021): click on image to enlarge in new window |
cut-off: -
exposure time: 1 (relative); f=4.0
 |
| ©pm (2021): click on image to enlarge in new window |
cut-off: < 715 nm (+ Heliopan IR filter)
exposure time: 100 (relative); f=4.0
 |
| ©pm (2021): click on image to enlarge in new window |
cut-off: < 830 nm (+ Heliopan IR filter)
exposure time: 10.000 (relative): f=4.0
