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Christian Fröschlin

@chrfrde@mastodon.social
mastodon 4.7.0-beta.1
  • Open on mastodon.social

Amateur astronomer from urban 15th floor balcony, Celestron 8'' + Galileoscope. Software developer. Image processing / HALCON. Fledgling skeptic. He/him.

0 Followers
0 Following
8 Posts
Joined April 14, 2022
Location:
The Hague / Netherlands

Posts

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chrfrde
Christian Fröschlin @chrfrde@mastodon.social · May 04, 2026
Christian Fröschlin
@chrfrde@mastodon.social

Amateur astronomer from urban 15th floor balcony, Celestron 8'' + Galileoscope. Software developer. Image processing / HALCON. Fledgling skeptic. He/him.

mastodon.social

Time lapse of Friday night's #Jupiter system with Europa shadow transit (including a brief appearance of Callisto's shadow). Covers 2.5 hours of real time. 100 x 2000 x 15 ms RGB in Celestron 8" + 2.5x powermate + ADC. #astrophotography

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chrfrde
Christian Fröschlin @chrfrde@mastodon.social · Apr 26, 2026
Christian Fröschlin
@chrfrde@mastodon.social

Amateur astronomer from urban 15th floor balcony, Celestron 8'' + Galileoscope. Software developer. Image processing / HALCON. Fledgling skeptic. He/him.

mastodon.social
Replying to @k3ym0@infosec.exchange
@k3ym0@infosec.exchange yes Ganymede and Callisto are visible even at this scale the two faint dots on a line with Jupiter.
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chrfrde
Christian Fröschlin @chrfrde@mastodon.social · Apr 26, 2026
Christian Fröschlin
@chrfrde@mastodon.social

Amateur astronomer from urban 15th floor balcony, Celestron 8'' + Galileoscope. Software developer. Image processing / HALCON. Fledgling skeptic. He/him.

mastodon.social

Time lapse of #Moon passing #Jupiter Wednesday night (this is the actual motion of the Moon moving in its orbit). Covers 3 hours of real time. View is stabilized on Jupiter. Ganymede + Callisto are visible next to Jupiter. 379 x 85 x 100 ms mono in 50 mm / f1.8 lens. #astrophotography

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Open post
chrfrde
Christian Fröschlin @chrfrde@mastodon.social · Apr 23, 2026
Christian Fröschlin
@chrfrde@mastodon.social

Amateur astronomer from urban 15th floor balcony, Celestron 8'' + Galileoscope. Software developer. Image processing / HALCON. Fledgling skeptic. He/him.

mastodon.social
Replying to @ennopark@mastodon.social
@ennopark In den niederlanden gibt es technisch zwar keine Vermögenssteuer aber fiktives Einkommen aus Kapitalerträgen basierend auf dem Vermögen am 1. Januar des Steuerjahres und es ist soviel einfacher anzugeben als tatsächliche Zinsen, Dividenden, Veräußerungsgewinne. Außerdem ist eh schon alles digital vorausgefüllt. Selbst meine deutsche Kontonummer steht immer hilfreich drin da wissen sie immerhin den Betrag dann nicht.
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chrfrde
Christian Fröschlin @chrfrde@mastodon.social · Apr 23, 2026
Christian Fröschlin
@chrfrde@mastodon.social

Amateur astronomer from urban 15th floor balcony, Celestron 8'' + Galileoscope. Software developer. Image processing / HALCON. Fledgling skeptic. He/him.

mastodon.social
Replying to @alterelefant@mastodontech.de
@alterelefant @Wlm @redsad Gloriously impractical
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chrfrde
Christian Fröschlin @chrfrde@mastodon.social · Apr 21, 2026
Christian Fröschlin
@chrfrde@mastodon.social

Amateur astronomer from urban 15th floor balcony, Celestron 8'' + Galileoscope. Software developer. Image processing / HALCON. Fledgling skeptic. He/him.

mastodon.social

This evening's waxing crescent #Moon 25% illuminated. 100 x 20 ms Ha 3.5 nm in Celestron 8" + 0.33x reducer.

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chrfrde
Christian Fröschlin @chrfrde@mastodon.social · Mar 08, 2026
Christian Fröschlin
@chrfrde@mastodon.social

Amateur astronomer from urban 15th floor balcony, Celestron 8'' + Galileoscope. Software developer. Image processing / HALCON. Fledgling skeptic. He/him.

mastodon.social
Replying to @chrfrde@mastodon.social
If you look carefully at the great red spot you can see that it appears to move a bit faster than the dark structures to the south this is due to differential rotation.
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chrfrde
Christian Fröschlin @chrfrde@mastodon.social · Mar 08, 2026
Christian Fröschlin
@chrfrde@mastodon.social

Amateur astronomer from urban 15th floor balcony, Celestron 8'' + Galileoscope. Software developer. Image processing / HALCON. Fledgling skeptic. He/him.

mastodon.social

Time lapse of #Jupiter Wednesday night covering two hours of real time. 60 x 3000 x 12 ms RGB in Celestron 8" + 2.5x powermate. #astrophotography

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