Mallincam on M31
Posted 15 December 2007 - 06:13 PM
WILL THIS WORK?
Posted 15 December 2007 - 08:13 PM
hmmm... (he says)...
I've got an OUTREACH this week (clouds permitting), perhaps afterwards???
just plug the 8mm 50Degree Plossl numbers into the old FOV calculator...
Posted 15 December 2007 - 08:32 PM
Posted 15 December 2007 - 08:36 PM
Posted 15 December 2007 - 08:59 PM
Posted 17 December 2007 - 07:39 AM
1. NEW ZenithStar 66SD APO BLUE+ FLAT-2 $448.00
2. Losmandy 90mm (3.5 inch) ID Removable Finder Bracket $120.00
Now the question is, like Roland said, will it have enough light gathering power to be effective?
If anyone has used a 66mm, or close, with the Mallincam, please chime in and tell me if this is something I should pursue.
Posted 17 December 2007 - 08:13 AM
You may also need some extra counterweights on the dob to counterbalance the additional weight. My custom made finderscope is at the top end of the dob, that coupled with the video camera in the eyepiece resulted in me adding a slightly heavier counterweight to the base of my 16inch dob.
The WO66 will weigh double that of my finder.
I have used my GSTAR-EX through my WO 80 Megrez which does provide very nice widefield views. The Mallincam should work very nice with the WO66.
Posted 17 December 2007 - 08:23 AM
Posted 17 December 2007 - 09:17 AM
Also, before going through the process of mounting the WO 66(particularly if there's drilling involved), you may want to test the scope to see if if's going to perform to your expectations.
Keep us posted on your progress. I'd love to see a pic.
Posted 20 December 2007 - 07:21 AM
Posted 20 December 2007 - 10:40 AM
Posted 20 December 2007 - 10:56 AM
Posted 26 December 2007 - 05:57 PM
While I'm waiting on my mallincam, I can't help but think about what the targets are going to look like through the 8mm/12.5mm AFOV. One of my favorite targets is M31. I usualy use a 32mm eyepiece to fit it all in on my 12" dob. Will I need a wide field scope piggybacked on my dob to get the same type of view. I was thinking about something like the William Optics - ZenithStar 66 SD Doublet APO to take care of that need.
WILL THIS WORK?
I don't know about the 66 but I use a Celestron 102mm F/5 as my finderscope and on wide field objects it does pretty good.
Here are a couple of shots with the 102mm and the Mallincam with the MFR-3 and 15mm of spacers.
M-31 I wished I had moved M31 a little down and to the right because the glow in the upper left I believe is not Amp glow but in fact M-110
Posted 26 December 2007 - 06:00 PM