Wednesday 31 January 2024

Drawings of Mars made in 1862 using a Thomas Cooke telescope

 Mr Grove of Upper Harley Street London made drawings of Mars on October 26th, 31st and November 3rd 1862. He used a 4.5 inch telescope made by Thomas Cooke of York, the focal length was 6 feet.


He was perfectly satisfied of there being notable changes in the distribution of the lights and shadows, inconsistent, it appears to him, there being land and water, or, as he should perhaps say, land and water only:



                                                        www.theramblingastronomer.co.uk

1 comment:

  1. Are the drawings available to see somewhere or is it only a note of them made by him?

    ReplyDelete