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Topics - snowcadere

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Reflectors Telescopes Forum / Telrad plotter
« on: December 30, 2017, 02:17:37 AM »
I still use this from time to time. Got it at the Texas Star Party in 94'. Anybody out there know who L-5 systems was? Anybody else got one?Attached Thumbnails

Beginners Forum / Is This Neptune?
« on: December 29, 2017, 03:51:27 AM »
I'm not sure...  I tried to photograph Neptune, but I couldn't focus the DSLR, which is a whole other question for another thread. Can anyone tell if one of these is Neptune?

Beginners Forum / I'm officially a member of the FWAS
« on: December 28, 2017, 08:04:17 PM »
Just an FYI, I'm now a member of the Fort Worth Astronomical Society. As soon as I fill out some
paperwork (story of my life  ), I'll have access to dark sites discounts to astronomy mags ,etc. But CN
will always be my first and favorite club.

I have the iOptron ZEQ25. What is the difference between that and the CEM25? They look the same and have the same payload limits. So what's the difference?

ATM, Optics and DIY Forum / Who collimates refractor objectives?
« on: December 27, 2017, 12:56:57 PM »
Anyone know who collimates refractor objectives? Also I'd like it to be in a reasonable time frame. I have a set of doublets that I need collimated. Please don't tell me to do it myself as I have had no luck ever doing this in the past. Thanks.

Light Pollution Topics / Just mailed a letter to local housing authority
« on: December 25, 2017, 02:24:46 PM »
We had been out of town for some time and didn't get an opportunity to trim the driveway.  Our housing authority sent us a letter reminding us to do so.  This was the first time that I discovered that we even had a housing authority.  I took this opportunity to pen a letter to them explaining that many neighbors have lighting which are in flagrant breach of the law in addition to in poor taste.  I even included a copy of this law which states that the lights are illegal.

I'll update this thread as I figure out exactly what they say.  I guess that at the very least they can place some strain on the people who set these up "prison lights" around their property.

Here is the Specific Community law:



Lighting.  Outdoor lights shall be directed or hooded so that their beams are directed toward the floor and away from adjacent residential property or roads.  No outside light shall be directed closer to a side or rear property line than the height of the lighting, and, except for safety purposes, lights shall be extinguished at the close of ordinary company.  Provide a lighting plan at the time of permitting."

I found that by looking at and beneath the search I set in "light hood."  Assess your town to find out if it has something similar.


I have been looking for a 14mm Planetary EP for quite a while and the options are scant.  For reference, I'm defining a planetary EP as 5 or 2 elements in 2 or less classes.  So far, it appears the only in presence are the Supermonocentric along with the Meade Series 5000 (latest iteration).  The 14mm focal length is right in the sweet spot for my stoves, providing me 218x in my SCT, and 210x in my frac using a 3x barlow (I enjoy using the barlow to give me helplessly throughout the focal lengths.  E.g. 15,14,13,12mm give me 5, 4??2/3, 4??1/3, 4mm) Viewing in my region, on good nights, normally tops out around 225 to 250 so the low 200x array is where I spend a good deal of time on planets.

The Supermonocentric has proven rather tough to come by (I have needed to talk myself out of buying an entire set just to pluck the 14mm a couple times) along with also the Meade, well, it doesn't fulfill the pedigree of my other planetaries (mostly TV Plossls and UO Orthos) so I have been reluctant to pick one up.  So I have been using a 14mm XL, which I recently switched into an XW, to fill the spot.  ( I know I could do much worse...)

So I suppose I've got two questions: Is there another 14mm planetary out there which I have yet to stumble across?  And if a person has used the 14mm Series 5000, what are your impressions of it?


Eyepieces Questions & Recommendations / 30mm vs 25mm wrong magnification
« on: December 24, 2017, 03:05:53 PM »
Fantastic day,

I have a Nexstar 8.  I just received a Explore Scientific 30mm 82.  I didn't received my 2" diagonal yet so I used a two" to 1.25" adapter for now.

Tonight I was looking Jupiter using the Celestron 25mm eyepiece that come with the telescope and when I looked in to eyepiece, it provide me with magnification the Explorer Scientific 30mm 82 degree and an manner improved focus and detail.  What is happening here?  Is it because I use the 2" to 1.25" adapter?  I need to find a larger FOV using the 30mm 82 compare to the 25mm celestron and much better detail too.Any idea?


Hello Everybody, I'm Stephen in Manhattan, four blocks off Central Park and a mile out of the Hayden Planetarium. I recently picked up a 6" guide dob and am excited about using it in my apartment roof patio.  While the patio is twelve stories over streetlights, NYC is still quite light polluted (size 0 stars are visible with the naked eye on great nights) and therefore are open to some recommendations for celebrating in heavily light polluted sky What filters, accessories, resources have you found to be most helpful?  Perhaps the best answer would be to go on a weekend camping trip :--RRB-

Thank you!
StephenAttached Thumbnails

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