This time with the gso. It looks nw as if the filter is protruding enough into the light path to produce flare. There's always something.
Note to self: loosen the mirror adjusters to move the focus tube further out.
cluster and nebula melotte 15 in cassiopeia 700d on gso203 49x4min @ ISO800 |
melotte 15 detail |
emission nebula sh2-277 flame with dark nebula barnard-33 horse-head in orion 700d on gso203 44x4min @ ISO800 |