Christian Fröschlin
@chrfrde.bsky.social
Amateur astronomer from urban 15th floor balcony. Celestron 8" / Lunt 40 / Galileoscope. Software developer. Image processing / HALCON. Fledgling skeptic. He/him.
And here is a "making-of" video building the image up incrementally.
October 5, 2025 at 4:26 PM
And here is a "making-of" video building the image up incrementally.
Pseudo time lapse of tonight's #ISS pass composed of all individual captures. #astrophotography
September 22, 2025 at 9:10 PM
Pseudo time lapse of tonight's #ISS pass composed of all individual captures. #astrophotography
Short time lapse of #ISS as it started to enter Earth's shadow at low altitude this evening over The Hague. Covers 15 seconds real time. There is gradual darkening and also a slight perspective shift can be seen. #astrophotography
September 19, 2025 at 8:54 PM
Short time lapse of #ISS as it started to enter Earth's shadow at low altitude this evening over The Hague. Covers 15 seconds real time. There is gradual darkening and also a slight perspective shift can be seen. #astrophotography
Evolution of sunspot group AR 4079 over the last 3 days. Each 500 x 0.15-0.17 ms OD 3.8 solar foil + longpass red in Celestron 8" at f/10. #astrophotography
May 6, 2025 at 12:57 AM
Evolution of sunspot group AR 4079 over the last 3 days. Each 500 x 0.15-0.17 ms OD 3.8 solar foil + longpass red in Celestron 8" at f/10. #astrophotography