Neil Webster, St Marys Platt, Kent e-mail:            ******@gmail.com Introduction The following measurements were made throughout 2018 using a Meade 12mm astrometric illuminated reticle eyepiece plus 2.5x powermate attached to an Altair Astro 115mm refractor (focal length 805mm, f7). The total magnification was 167.5x with a field of view of 0.3 […]