An alternative, is to replace the stock fibre gasket with a thin rubber one, this provides some grip between the housing and the corrector to prevent it ...
109462
lynol1000
May 1, 2009 10:07 am
A few parts, all with low trigger current to drive direct: For the opencollector type at a few ma output, PS2501-4 Relay type: he721a0510/HE101-ND 5V/10ma...
109463
Thad Floryan
thad_floryan
May 1, 2009 10:27 am
... Just don't forget to consider systems with positive ground (yes, they do exist, even from SBIG) and possibly some mounts whose guider inputs may be pulled...
109464
Frank Dilatush
rfsinc
May 1, 2009 12:35 pm
... It was a great contest this year, the images were simply superb, and you're right Rod, Roth Ritter brings a touch of class and professionalism with his...
109465
Rod Mollise
rmollise
May 1, 2009 12:55 pm
Thanks. That is a good idea. The main thing I would like input on is "how long?" I am not sure that this one did not run on for too long a period. What do...
109466
Noel Carboni
noelcarboni
May 1, 2009 1:02 pm
I'm sorry to hear the contest is causing / has caused you stress, Frank. Rest assured that from an observer's point of view it looks like you've got things...
109467
daniela daniela
daniela_dani...
May 1, 2009 1:11 pm
Perhaps we should start the next one! seriously, a contest running all year long (open to photos taken since closing of previous contest deadline) allows all...
109468
Thad Floryan
thad_floryan
May 1, 2009 1:45 pm
... This is probably going to bring some "boos", but in fairness to entrants everywhere I would think a year-long contest would permit everyone to have at...
109469
John Buonomo
johnbuonomo
May 1, 2009 2:59 pm
Hi Everyone...... Thanks to Noel Carboni and the fact that I have his tools:) he sent me a email I have been away from my computer due to a family health...
109470
John K
brightstarco...
May 1, 2009 3:11 pm
Spent a few moments with some very knowledgeable SCT users collimating my scope last weekend at Tennessee Spring Star Party. We had it collimated, and a Ronchi...
109471
Noel Carboni
noelcarboni
May 1, 2009 3:17 pm
You're saying the rings were equally spaced, but extincted due to brightness falloff quicker on one side than the other? You didn't by chance have fog starting...
109472
John Buonomo
johnbuonomo
May 1, 2009 3:26 pm
Sorry for the Delay Everyone I personally never thought I would win or place......the images posted by everyone are extraordinary Thanks for the Putting my...
109473
Noel Carboni
noelcarboni
May 1, 2009 3:45 pm
A full year-long contest seems kind of long, though I agree it would be great to be able to open the object list up to the whole sky, as seen in the evening...
109474
Robert Piekiel
piekielrl
May 1, 2009 3:46 pm
John, How many lines per inch was the Ronchi grating? A 50 lpi grating is so un-sensitive that it will make poor optics look bad. A 100-200 lpi grating is much...
109475
John K
brightstarco...
May 1, 2009 3:50 pm
... I don't think I had any fog or dew. If memory serves me correct, the rings that match all the way around seemed equal, but yes, there appeared to be a...
109476
ancient.sull
May 1, 2009 3:50 pm
... You might consider rotating the season of the contest from one year to the next. that way some years you would have the winter targets, other years the...
109477
Rod Mollise
rmollise
May 1, 2009 4:07 pm
No...I don't think so. I believe we need a break and not a never-ending contest--for all concerned. I am considering making it as _short_ as possible, centered...
109478
Thad Floryan
thad_floryan
May 1, 2009 4:30 pm
... Hmmm, OK. How about this idea: a one-month long contest duration for submission of entries and to check rules compliance, etc etc but permit entries to...
109479
Thad Floryan
thad_floryan
May 1, 2009 4:40 pm
... I'm sure Frank D. can comment on that. :-) Even judging took over 3 weeks and I felt like my eyes were about to pop out of my head. ... That's a good idea!...
109480
daniela daniela
daniela_dani...
May 1, 2009 4:58 pm
I think a month is more than enough for people to submit their entries, change their minds, discuss any issue of ineligibility, and - unless they submit at the...
109481
rbethman
rbethman1
May 1, 2009 5:16 pm
Uncle Rod, Frank, et al, I think alike with this and Thad's post. Pick a year long spread to allow the pictures to be taken based on what is visible when - AND...
109482
Doug Bailey
truckstopast...
May 1, 2009 5:18 pm
I agree with this, and hope to submit for next years contest. Doug ... -- Doug Truckstop Astronomer [Non-text portions of this message have been removed]...
109483
lynol1000
May 1, 2009 5:30 pm
Thad, Understood. Relays do cover just about everything, even the small ones(relays) :-) AC capable photo mosfets most likely also. Thanks! Gene...
109484
Rod Mollise
rmollise
May 1, 2009 5:32 pm
That's basically what I am thinking...allow anything taken between now (the end of the last contest), and the end of the next one. I am thinking, though, maybe...
109485
Thad Floryan
thad_floryan
May 1, 2009 5:35 pm
... Super, just wanted to be sure all bases were covered. :-) By the way, what exactly is it you're building? I don't recall seeing anything mentioned in this...
109486
rbethman
rbethman1
May 1, 2009 5:35 pm
There you go Uncle Rod! That gets my vote! I'd ACTUALLY get the chance to get the scope out to see more than cloud base or drown as it stands! Bob - N0DGN ......
109487
Doug Bailey
truckstopast...
May 1, 2009 5:36 pm
Works for me, Unc. Doug ... -- Doug Truckstop Astronomer [Non-text portions of this message have been removed]...
109488
Thad Floryan
thad_floryan
May 1, 2009 5:40 pm
... Sounds great!...
109489
P T Chambers
phil11111111
May 1, 2009 5:42 pm
Hi I agree with you, Rod. A year long window for the images seems right but the 1 month duration seems short. I was thinking maybe 2 months but 3 is probably...
109490
daniela daniela
daniela_dani...
May 1, 2009 5:53 pm
I agree with you Unk Rod. Three months of "actively running contest" is much better than a month (even though one month "will do"). And allow entries taken...