Quote:
Originally Posted by erick
Very thrilled with M57 since I've had plans for some months to make a start on PNs, but everything has conspired against me! I put in the NPB filter and the Nebula stood out clearly up to 120x. I could see the hole in the centre quite well without having to avert my vision. I was very pleased.
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Good stuff, Eric. I love reading obs reports, and what different people are seeing through different scopes.
I've never really used filters - what exactly is a "NPB" filter - some sort of narrowband? I've been thinking about picking up a OIII and narrowband filter for nebula from Melbourne.