Ben, where did you hear that? Why would you believe such a story? Since the last AP206 was made a number of other APs have been made with FPL-53. What do...
rnapo
rnapo@...
Jun 1, 2004 8:22 am
22600
Hi Herb, I see that the reserve was not met on the 180 f/7. I am surprised as the last one sold quickly for a godly amount. Maybe it's a sign of the economy....
I am using an AP 155mm f7 with the Coronado 90 H alpha filter and darkining diagonal but don't have enough front focus when a optec focuser is inline--any...
In a message dated 5/30/2004 11:48:35 AM Central Daylight Time, ... Great shot. It adds a new dimension to this object. Roland Christen [Non-text portions of...
I didn't get the scope. I don't know who made the comment about me (something along the lines of my money) but I want to say I am not a rich man that throws...
In a message dated 6/1/2004 7:36:21 AM Central Daylight Time, ... Is there a reason to have an Optec focuser in line hwen using a Coronado filter? Roland...
In a message dated 5/31/2004 2:39:04 PM Central Daylight Time, ... Does the NP101 have insufficient back focus for a binoviewer? If so, you can substitute a...
In a message dated 5/30/2004 11:16:41 AM Central Daylight Time, ... That is a gorgeous image. Roland Christen [Non-text portions of this message have been...
Hi all - I thought I would share some recent pics of Comet NEAT my friend Jim Janusz and I took through his Traveler under very dark skies in the eastern...
In a message dated 5/31/2004 11:31:16 AM Central Daylight Time, ... Really nice! ... This page did not come up for me. Roland Christen [Non-text portions of...
... sorry, typo: www.rdcrisp.darkhorizons.org/sharpless_2_101_page.htm I am happy you liked the Pickering's Triangle and VdB142 images. Those two are my...
I am considering purchasing a 90 MM Coronado H-ALPHA filter for my Traveler and am concerned about the affects of leaving the Traveler sit in the Sun while...
Jim, Not at all. With the 630 glass up in front of the etalon, all the heat is rejected. The blocking in the rear is not for heat. It's a piece of KG3 glass...
Jim, I forget to mention that in the newer bf-10 & 15 rear blockers, the coating on the mirror will act as band pass filter. The older Bf filters used the KG3...
Hi Jim - I think there are a lot of solar observers with travelers out there. I've been using mine with various white light filters since '97 and with a...
... I called the manufacturer and asked what the active ingredients are and what, if any, additives are in the product. He refused to reveal any ingredients,...
In a message dated 6/1/2004 1:20:24 PM Central Daylight Time, ... It will work fine. Roland Christen [Non-text portions of this message have been removed]...
Hi Jim, I don't know about long term effects on the scope, but can tell ya' fer' sure that in the short term this combo will make your brain sizzle. Add a...
I just sold my double stacked 60 setup. I needed the money to put towards a dob project or two. I can say this. Stacking really brings out the best in H/A...
Jim, I've been using a Coronado 60/TMax/Bf10/CeMax binoviewer setup with my Traveler for almost two years and it works very well. If it's particularly hot...
Mike--- I've tried 3 SM90's stacked, too dim with only marginal improvement in contrast. Now using 2 SM90's, WOW, makes you feel like your at Big Bear.;)) The...
A friend has had a problem with his single stack 60mm with what seems to be an uneven field. More detail will show up in one part of the field. Have any of...
rnapo
rnapo@...
Jun 2, 2004 1:55 am
22626
I've seen this on a couple of filters. The spectral uniformity varies across the field so that some areas are off band. I would contact Coronado for possible...
Rich, The etalon (filter) must be precisely squared with the scope's optics to work correctly. Ensure you have everything properly installed: a suitable...