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MikeRatcliff
Pooh-Bah
Reged: 06/12/04
Posts: 1380
Loc: Redlands, CA
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Re: Deep sky objects are very dim!!!
08/14/09 08:16 PM
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Those are good suggestions.
You can usually find UHC filters on the used market for $80 or so.
On the Urban List mentioned in a previous post, there are some challenging ones even on that list. For example NGC 129, the first entry, isn't that easy for me in my backyard, and isnt' really a beginners object in my opinion.
I'd try out the ones with the lowest (brightest) magnitudes first. This time of year, mid to late summer: M6, M7, M8, M11, M13, M17, M22, M24, M25, M27, M39, M57. A mix of globular and open clusters and a few nebula. The UHC will help with the nebula but not the clusters.
Fall and winter you can add M34, M35, M36, M37, M38, M41, M42, M44, M45, M46, M47, M67 and the "Double Cluster" NGC884/869 which are all brighter open clusters.
Good luck and happy hunting,
Mike
--------------------
16" f/4.9 dob, 1.25" Paracorr, 24 TV Widefield, 18 Circle T ortho, 13 Nagler T6, 12.5 UO ortho,
9 Circle T ortho, 2x TV Barlow 1.25"
Edited by MikeRatcliff (08/14/09 08:19 PM)
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