Bob, with such a small scale difference Maxim's '2-Star' Align will, try that first. "RegiStar"; will stretch and align vastly different FL images even images...
68206
tegwilym
Oct 1, 2010 4:13 pm
I've had good luck with weather here in Seattle and took some images of the comet last night. See here - http://tinyurl.com/2ccxjjy I'll have to make a little...
68207
Bernhard Hubl
hubble_at
Oct 1, 2010 4:18 pm
Hello group, The CEDIC (Central European Deepsky Imaging Conference) was held for the first time in 2009. It was the first international deep sky...
68208
Ron Wodaski
rwodaski
Oct 1, 2010 4:29 pm
We have a modified Canon DSLR on a Tak E-180 that our students use. I took a 3-minute exposure of the comet last night while testing some changes to the...
68209
Stan
stan_ccd
Oct 1, 2010 4:30 pm
Those two setups could hardly be more different: scope, camera, sub-exp-times, etc.. Also there is no information about sky conditions or processing...
68210
Stan
stan_ccd
Oct 1, 2010 4:39 pm
... CMOS DSLR's at low gain (high ISO) have very low read noise (5e- or less), which means that for short exps they will noticably outperform higher QE CCDs...
68211
Stan
stan_ccd
Oct 1, 2010 4:48 pm
A major bug-a-boo in this little contest is the Bayer matrix, which really starves the detector and very often results in severely underexposed images, esp for...
68212
Stan
stan_ccd
Oct 1, 2010 5:14 pm
Among the many significant differences between those setups is filtering. You don't say what (if any) filters were used in the CCD image but for sure the DSLR...
68213
Ron Wodaski
rwodaski
Oct 1, 2010 5:21 pm
Note that I am comparing one-shot-color cameras. <g> The exposure I posted was sky-limited; but it's also 8-bit and (probably) heavily noise-reduced (i.e.,...
68214
Stan
stan_ccd
Oct 1, 2010 5:24 pm
... I assumed as much. That's why a DSLR would become (or at least approach) sky limited much sooner than a CCD... Stan...
68215
Ron Wodaski
rwodaski
Oct 1, 2010 5:26 pm
Exactly. I was surprised by how much so, but it still works, so, as I said, a good experience for beginners. And I enjoy it myself at times, just for playing...
68216
Stan
stan_ccd
Oct 1, 2010 6:03 pm
... I sold my ST-10 over 2 years ago and spent much of the intervening time using a Canon 40D for astro (actually most of my astro-imaging time focused on my...
68217
Ron Brant
astroron2001
Oct 1, 2010 6:10 pm
Nice Saggitarius video Stan!! rb ... From: Stan To: ccd-newastro@yahoogroups.com Sent: Friday, October 01, 2010 11:02 AM Subject: [ccd-newastro] Re: Simple...
68218
Ron Wodaski
rwodaski
Oct 1, 2010 6:36 pm
I agree with all of that. Although we have three modified cameras, I did that only to show more of the Ha. The natural color balance of the unmodified DSLRs is...
68219
dennis_persyk
Oct 2, 2010 12:50 am
Whom are you talking to, Stan? My name is Dennis....
68220
JoeMize
sfojmize
Oct 2, 2010 3:04 pm
Bernhard, will CEDIC be offering DVD's of lectures for those who cannot attend? I'm interested in Jay's lectures, maybe others too. Thkx...joe :) "May You...
68221
tekic545
Oct 2, 2010 4:01 pm
Bernhard, Good news that the second CEDIC is being organized. I was able to attend the first one in 2009, and it brought together some of Europe's most...
68222
Bernhard Hubl
hubble_at
Oct 2, 2010 5:57 pm
Hello Joe, This is a good question. The organization team has not discussed this topic by now. I will inform you, when I know more. Bernhard...
68223
JoeMize
sfojmize
Oct 2, 2010 8:34 pm
Plz do Bernhard, it would be a Great resource to us who can't attend, and an additional source of income for CEDIC. Twist some arms of your organizers...joe...
68224
dennis_persyk
Oct 4, 2010 1:19 am
Comet 103P Hartley 2 in Cassiopeia is currently at magnitude 7.6 and brightening rapidly. It makes an easy and attractive imaging target, especially in...
68225
toddbenko
Oct 4, 2010 5:45 am
I'm confused by the submissions on this thread. People are talking about version 1.4.08 and 1.4.15 on the website it mentions version 1.4.20. When I open up...
68226
David Held
hypernova64
Oct 6, 2010 12:10 am
Yes I had a hard time seeing it in 4inch refractor. Â Forget Binoculars with any light pollution or moon. ... From: dennis_persyk <dpersyk@...> Subject:...
68227
Marco Lorenzi
marcolorenzi70
Oct 7, 2010 3:18 pm
Dear all, I have just uploaded a new mosaic, this time covering the popular area around Eta Carinae. It is a 4 panel mosaic in HaOIIIRGB, 6 hours per ...
68228
Terry Tuggle
tlt284
Oct 7, 2010 8:30 pm
Marco, What a beauty! This is enough work to be considered a marathon! I check out the website; it is a first class layout, I like the slide show on the home...
68229
Bill bradford
bbradf85
Oct 8, 2010 12:08 am
Spectacular image, Marco. Bill...
68230
randy_nulman
Oct 9, 2010 4:43 am
Hi Marco, This one is a real beauty! I also looked at your website and found it to be very nice. I also have a few "flash" images that come up on my home...
68231
Hap Griffin
hapgriffin01
Oct 11, 2010 8:40 pm
http://www.machunter.org/hap_ccd_ngc891.html 2 hours luminance and 1 hour each RGB with my QSI 583wsg through a Planewave 12.5" CDK. I hope you enjoy it. Hap...
68232
Hap Griffin
hapgriffin01
Oct 11, 2010 9:45 pm
http://www.machunter.org/hap_ccd_ngc7023.html 2 hours luminance and 1 hour each RGB from my QSI 583wsg and Planewave 12.6" CDK. I hope you enjoy it. Hap...
68233
Ron Brant
astroron2001
Oct 11, 2010 11:14 pm
Beautiful Hap, one of my all time favorite galaxies. rb ... From: Hap Griffin To: ccd-newastro@yahoogroups.com Sent: Monday, October 11, 2010 1:40 PM Subject:...
68234
MarkM
denebola1973
Oct 11, 2010 11:46 pm
Hi, I was wondering if anyone could hook me up with a good "possibly free" program that can convert multiple JPEG pics of a comet into a movie? I have 172...
