I began this over the July 4th holiday and took my most recent data last night, Aug 3 This is 12 hours of [SII], 10 hours of [OIII] and 7 hours of Halpha It...
Is Yankee Robotics a legitimate, solvent company? I ask because on a lark, I bought a secondhand Nugget autoguider. The specs were attractive but then I heard...
I shot M27 from my backyard in mag 3 to at best mag 3.5 skies. I am in the san francisco bay area near the Oakland airport (less than 10 miles away). ...
nice description of dynamic range importance SN ratio is one of the magic numbers in any data system. Another way of getting it improved - even with a small ...
... a lark, I bought a ... heard some bad ... group, and the last ... what I've heard, ... documentation and other ... 2006. ... who knows Paul, who knows? ...
I added a bit more exposure to this from the last checkpoint and that smoothed the background a bit as well as went a bit deeper with the nebulosity there are...
Hi Richard, A great looking image with an interesting color palate. The stars are also nicely under control, especially given the diameter of the stinger ...
it was taken using a 300mm f/4 camera lens there may be some tilt in the system that wasn't completely compensated. I took this over the period of a month and...
this is just getting started but looks pretty interesting to me. There's the big bright nebula in the middle but there's lots of faint dark nebulosity all...
this is 4 x 20 minutes of halpha from the stinger cassegrain at f/7.2 roughly. It was shot using the 4.5nm CS Ha filter and FLI IMG1024S Dream Machine from my...
this is from a 6x7 SMC Pentax 200mm f/4 lens used with an FLI CM10 camera with a Baader 50mm x 50mm Square Halpha filter in an FLI CFW4-5 filter wheel with FLI...
Howdy Started getting backinto DSLR imaging again with my np101. I finally have a portable enough setup to have my laptop with me to aid in focusing. On my...
Hi Scott, I don't have the NP101 but I have used several refractors of similar size and f-ratio. I think you'll find the field flattener is a valuable for...
That's surprising. The NP101 has a built-in reducer/flattener (four-element Petzval design) and is highly rated for imaging, but as Darren points out, once you...
I'm using a canon 10D. I post one of the images tonight. And I'll check out the TV group. Is that in Yahoo? ... element Petzval ... once you get to a ... ...
one of my associates has an NP101 he uses with a KAF3200ME sensor and has no need for a flattener. Another associate used one with the KAI11000 sensor and...
... Not if you own an NP101. <g> Paul Sterngold ____________________________________________________________________________________ Boardwalk for $500? In...
astromart, Paul, astromart the NP101 is a superb visual scope and the FSQ 106 is not easily used for visual there's someone out there wanting the NP101 and...
... I suspect that the swap would cost the owner quite a bit, with shipping costs on top of that. So as I say, if you have an NP101 and no inclination to pour...
here's a link to focus test http://home.comcast.net/~squig/pics/astro/IMG_0759.JPG now im wondering if the camera/scope were out of alignment. I'll have to...
With the APS-sized chip in your camera, you DO want the field flattener. TeleVue sells one that fits the 2" focuser, and has a variety of back-side mounting...
Hi All, I am new to the group, and I am really excited about the lunar eclipse this coming Tues morning (Aug 28th). The reason why I am posting here, is that I...
The San Jose club (SJAA) is setting up in the usual park (with lights turned off) from midnight to the end. No idea how many (but some) and of course no idea...
from the 18" cassegrain at f/7.1 10 x 20 minutes http://www.narrowbandimaging.com/sharpless_2_112_mk1sn2_dm_geg_cs4_Ha_page.htm shot saturday night under a...
and got good results with a glob ( I think was m13) I made a page to add to my little document that shows his results along with mine and the work of others. ...
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