![]() ![]() It may be a trivial exercise but it brought me great satisfaction to stick with it and get a positive id on this now dwarf planet. One click on the object and the exact coordinates I was looking for were displayed. To make sure, I did a plate solve on the 3-minute image and then used an astrometric tool to click on the point which I thought was Pluto. Also good for astrophotography - moon, planets and deep-sky with filter support. Using my planetarium program I knew the exact celestial coordinates for Pluto at that time. The TS 152mm f/5.9 refractor is a rich-field telescope with better. Whats more, this lens isnt your average achromat lens. The picture came out great but which point of light was Pluto? The Starwave 152mm V3 delivers rich field views of the night sky using a large 6 inch / 152mm of unobstructed aperture at an incredible price. ![]() I took a 15-second image, plate solved, and adjusted the mount for the slight pointing error. I knew that my mount would center on the target but would I be able to pick out Pluto, and how would I identify it from all those other points of light? My deep sky camera would give me the image I wanted. The bottom line was, I wasn’t going to see Pluto visually through my telescope.Īll summer long I had my telescope configured for deep sky imaging and it dawned on me that Pluto was more of a stellar object. ![]() I did find the math for calculating limiting magnitude an interesting topic that I may expand upon in a future article. I wasn’t quite sure what the limiting visual magnitude on my 152mm f5.9 refractor was but after finding an online calculator for that question, I got my answer, 12.5. Looking at my planetarium program, I soon discovered that Pluto’s magnitude was 14.4. It's an object that was so remote and dim that I never thought of actually seeking it out. The Tecnosky 152/900 Achromat is a Rich-Field refractor offering better than normal colour correction for such a low focal ratio Achromat. Refractor Telescopes Starwave 152mm F5.9 V3 Red Tube Achromat Refractor Telescope Product code: SW152ACR Check stock level or request price match £ 799.00 £ 665.83 (ex. Over the past few decades, there has been a lot of talk about Pluto from losing its status as an official planet to the spectacular fly-by images of the New Horizons spacecraft. ![]()
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