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Dr_who Dr_who is offline

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  1. DeadJohn
    I have an SVR-80ED doublet. I think all of Stellarvue's ED scopes are by definition doublets. I bought the doublet for weight and cost considerations; it's a great "grab&go" scope.

    Knowing what I know now, I wish I bought a larger triplet. My astronomy hobby has evolved to more astrophotography and less visual observing. Doublets show a little purple fringing around bright stars during long exposures. I see no fringing during visual usage, just in photos.
  2. SointulArt
    This may be helpful: Stacking in PixInsight

About Me

  • About Dr_who
    Edmonton, Alberta, Canada


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  • Last Activity: 2 Days Ago
  • Join Date: 06-03-09
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  • Total Likes Received: 2

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Item Name Thumbnail Recommended Rating Price Review

Liked Posts

  Latest Likes Received Date Posted By Comment
1 like Post Your K-3 II Photos Here 11-03-17 12:52 PM Burnin' Coal
1 like HD Pentax-DA★ 11-18mm f/2.8 10-26-17 06:23 PM Kharan
-111 likes Non-Forum Post 05-27-17 11:01 AM Moderator Automated Likes reset due to inactivity.
0 likes Post Your K-3 II Photos Here 03-03-17 03:05 AM fanduong
1 like Post Your K-3 II Photos Here 02-07-17 12:00 PM gaweidert
1 like Post Your K-3 II Photos Here 01-27-17 12:28 PM TedH42
1 like Post Your K-3 II Photos Here 01-26-17 12:51 PM vcollerp
  Latest Likes Given Date User Name Comment
1 like HD Pentax D FA 1:2.8 15-30mm ED SDM WR lens club! 10-10-17 04:18 PM mikeSF
1 like Post your K-1 pictures! 11-17-16 07:39 AM bpv_UW
1 like Post your K-1 pictures! 08-08-16 04:13 PM Rondec
0 likes Post your K-1 pictures! 07-05-16 12:04 AM colodion
1 like Post your K-1 pictures! 06-30-16 08:15 AM colodion
1 like Post your K-1 pictures! 06-30-16 08:15 AM dakotapix
1 like Post your K-1 pictures! 06-30-16 08:14 AM phat_bog
Dr_who has received a total of 2 Likes | View All of Dr_who's Liked Posts | View Posts Dr_who Likes

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