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Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by Bob Sal on May 8, 2002 16:04:23 UTC |
I have the Orion Ultra Block. Works great. Saw many planetary nebulas not visible without it. Also makes the rest brighter. The OIII is good also. I liked the Ultra Block better. I thought the OIII blocked out too much light. See if you can borrow them from someone and make you choice. Most people prefer the OIII. I'm an exception here.
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