This post is also available in: 日本語 (Japanese)
Solar 2021-11-03
17cm eccentric aperture + solar filter for 45cm newtonian
Monochrome image is Mars M + G533
This post is also available in: 日本語 (Japanese)
Solar 2021-11-03
17cm eccentric aperture + solar filter for 45cm newtonian
Monochrome image is Mars M + G533