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This night I was finally able to take all of the 300mm astrophotography lens mods for test. Both mods are centered around Canon 300mm f/2.8L prime lens and were described earlier in the blog: adapter for using astronomic 2″ filters with this lens and a contraption to securely attach the lens to telescope mount. Due to [...] 
This is the first successful picture I’ve taken with the 0.7x focal reducer for Celestron EdgeHD 1100. Given the red light pollution zone close to Seattle, I’m quite happy how it came out. Since stars are nice and round I guess that tinkering with the caliper to get the sensor exactly 146mm from the back-plate [...] 
Moon though 300mm lens with 1.4x tele-extender Since full Moon made taking pictures of pretty much anything in the night sky except of itself impossible I decided to snap a few shots of “Ms. Selena” with various optical configurations and see how they turn out. Due to very different shooting conditions it would be [...] 
NGC6888, the Crescent nebula is an emission nebula in the Cygnus constellation. Is is very high up in the summer sky. It is also large enough to allow imaging even with 300mm camera lens. However, it is very faint. It is a hard target to photograph, especially from light polluted areas. Ever since I first [...] |
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