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Author Topic: First Light for the WO 102GT  (Read 801 times)

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Offline griz11

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First Light for the WO 102GT
« on: 09:28:18, 02 April, 2015 »
It was raining heavily when I left Houston this morning. Cloudy and windy most of the day then about 2 hours before UPS usually shows up it cleared up. High clouds and some heavier stuff floating through so not good for imaging but I did get to set it up and play around with it a bit. I need more weight or a longer truss rod to get it balanced. I'm having to lower the Dec axis almost to the weight and there isn't enough room for the scope to rotate 180 with it like that. It will hit the RA servo. But I've already thought it might be a problem and talked to the guy at ADM and he can make a solid truss any length I need. So I'll get out my calculator tomorrow and figure all this out. Rather do it this way instead of adding more weights.

The scope is a nice piece. Even nicer than I expected. The focus is butter smooth. Holds the 7D2 and the Flat6 with no problem. Their t-ring is a full 2 inch bore and it comes with the Flat6. I was a little worried at first when he put the box on the porch I noticed a big scuff on one side and the cardboard was pushed in a bit on the corner. So I had him wait till I removed the inner box and checked it out. Not a mark or scratch on the inside the inside of the outer box was perfect too so it was just superficial but one of those oh no moments for a bit. It sure gathers more light. The atmosphere was so bad though. FWHM was changing so much it was impossible to pin down the focus. I turned off the guiding by mistake and shot a 900 sec Ha image of M42. Outside of a little drift it was fine though. I didn't drift align either getting pretty good at lining it up with the polar scope. The finish is like a fine pebble so it doesn't show fingerprints. Love the rotating focuser.  Although once you rotate it you have to think about those direction arrows on the controller a bit to get it right. Everything is beefy and well built. Lots of baffles inside. The front element has that disappearing look to it. That usually indicates excellent coatings.







Looks like Sunday or Monday before its going to clear again. But you never know this time of year. At least its all set up and ready to go for the next clear spell. Hopefully then I can get a decent set of subs from the new scope. I'll post up a more detailed report then. So far it looks good. Bigger than I expected especially when you extend the dew shield. Its nice and deep which is a plus across the street from a huge lake. I need to do some adjusting on the focus rotation and the drag on the focus itself. The manual has the procedure so I'll do that tomorrow. Now I'm in the afterglow phase. Mostly just staring at it :)  Thinking about getting a binoviewer so I can actually look through it from time to time. I don't own an eyepiece :)  I hope the weather clears for the lunar eclipse coming up in a day or so. Not looking good though.

Griz
Losmandy StarLapse and Dec Module -- Argo Navis -- Canon 7D and 7DMkII -- EF400 f5.6L USM -- EF40 f2.8 STM -- EF70-200 f4 USM -- Tamron SP 70-300 f4-5.6 VI DC -- ADM dual saddle -- Mini Borg guidescope -- Lodestar guider astrobin.com/griz11 pbase.com/griz11

 

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