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Isaac Roberts captured the Great Andromeda “Nebula” in 1888. A 105 minute exposure of Andromeda, using a 20 inch "silver on glass" reflector (and 7" guide scope) mounted on a custom clockwork equatorial mount. Pictured in his observatory and on display at the Science Museum in London #Astronomy

SkyCalPro | Kev

@skycalpro.com

I created skycalpro.com to help you find out what is happening in the night sky over your home tonight. It’s free - check it out :)

skycalpro.comSkyCalPro - Calculate your own Sky CalendarRocket Launches-Planets-Satellites-Meteor Showers-Sun and Moon...and more!

1/11/25, 12:09 pm4 reposts6 likes

pushkin99.bsky.social

@pushkin99.bsky.social

1 Nov 2025

Around 150 years ago. Not bad, at all, not bad.

SkyCalPro | Kev

@skycalpro.com

1 Nov 2025

Crazy really! These were the people joining together the latest photographic equipment with the latest astronomy equipment and designing new innovative tools for science. It Must have been extraordinary for Roberts when he processed that first image. I bet he was grinning from ear to ear!