Randy Thanks for the clarification, I understand that you are just having fun. I've done the same thing time and again. I spoke up because many more read these...
1753
Richard Crisp
rdcrisp
May 2, 2008 1:02 pm
NIce try but still wrong look at the simplified equation for the noise: noise = Sqrt( signal_shot^2+ read^2 + dark_shot^2 + dark_FPN^2) I am skipping the sky...
1754
maxmsm
May 2, 2008 1:02 pm
I have not yet verified my read noise on my KAF9000. Greg measured it at about 7e. I am not sure what download rate he tests at. 11% is not too much of a...
1755
maxmsm
May 2, 2008 1:02 pm
Yes, it is true you can take excellent images without darks. In some circumstance it will be fine or slightly better Yes, it is true your noise dark...
1756
Richard Crisp
rdcrisp
May 2, 2008 7:39 pm
the conditions were good at sundown and got better as it got later. By dawn my last image had stars of 2.3" FWHM in 10 minute Halpha exposures Now the image...
1757
Randy Davidson
ransumdoc
May 3, 2008 12:50 pm
Richard, Thanks so much for the info. on flats and darks....VERY much needed and appreciated. I have a few more questions if you could help me? The proline...
1758
Lawrence D. Lopez
lawrence_d_l...
May 3, 2008 12:50 pm
I love those dust lanes. I didn't know those were there....
1759
bradgregley10
May 3, 2008 12:50 pm
I cannot get the software to work on Vista Home Premium. It seems to work fine with Windows XP. Is there another up to date driver compatible with Vista Home...
1760
Lawrence D. Lopez
lawrence_d_l...
May 3, 2008 1:57 pm
Randy: The full well is in electrons. Their is an amplifier which is adjusted to make the full well match the full value of the A/D converter with a bit of...
1761
lawrence_d_lopez
lawrence_d_l...
May 3, 2008 1:57 pm
I want to connect my proline more rigidly to my AP refractors. With with or without the AP .75 Telecompressor. I found this adapter: ...
1762
Chuck Reese
chuckr54
May 3, 2008 5:54 pm
Hi, Richard this is becoming a truly remarkable image! I am curious to know how you go about combining data from multiple nights - do you restack all the...
1763
Lawrence D. Lopez
lawrence_d_l...
May 3, 2008 5:54 pm
my spelling seems to have lapsed into amazing again. clearly a coffee deficit....
1764
Richard Crisp
rdcrisp
May 3, 2008 7:44 pm
Hi Chuck Nice to hear from you and thanks for the comment When I stack from multiple nights I grab my previously calibrated/aligned subexposure data, copy...
1765
Joseph M Zawodny
jmzawodny
May 4, 2008 12:57 pm
I assume that this would also work on the microline as well. This is just what I have been looking for....
1766
Richard Crisp
rdcrisp
May 4, 2008 8:02 pm
how will you use filters if you use that adaptor? Joseph M Zawodny <Joe@...> wrote: I assume that this would also work on the microline as well. This...
1767
jdelburgo
May 4, 2008 8:02 pm
Hello All, Today I've been testing my new PDF. I found no problems But I have a question: how can I get working temperature compensation? Flifocus just shows...
1768
Richard Crisp
rdcrisp
May 4, 2008 8:28 pm
Unfiltered and 25 x 400 minutes from the AP180EDT f/9 and Proline3200 with Eng Grade KAF3200 operated at -45C I had an old flat field so I had to use the clone...
1769
sptakfun
May 5, 2008 11:43 am
- Hello, you have the same field here with a 77cm: http://www.astrosurf.com/afernandez/gallery/deepsky/ngc3718/ngc3718_t7 7_33.htm -- In...
1770
Lawrence D. Lopez
lawrence_d_l...
May 5, 2008 11:43 am
Richard: oops. Larry...
1771
Richard Crisp
rdcrisp
May 5, 2008 11:43 am
just at 1H20M so far. Hope to add more to it 12 x 400 seconds total http://www.narrowbandimaging.com/ngc3628_ap180_f9_PL32_page.htm...
1772
Lawrence D. Lopez
lawrence_d_l...
May 5, 2008 12:19 pm
My image train is: AP Traveler, Photographic-Visual Telecompressor (0.75x) (27TVPH) 2" nose piece CFW 7 PL 6303E I'm going to be trying to critically evaluate...
1773
Tom Davis
tvdavisid
May 6, 2008 3:07 pm
Hi all, Here is my most recent project. It is of a rarely imaged part of Cepheus that has two reflection nebulae cataloged as vdB149 and 150. Between them is...
1774
Richard Crisp
rdcrisp
May 10, 2008 1:38 pm
Tom I think that is a fine image and actually like the star haloes because the colors are so nice that Microline will do wonders compared to the STL11K: no...
1775
john gleason
dvjbaja
May 10, 2008 1:38 pm
Hi Tom, I don't think the image took offence to the halos. ;-) - jg...
1776
Joseph M Zawodny
jmzawodny
May 10, 2008 1:38 pm
58mm filters on the end of the AP 0.75x telecompressor. ... well. This is...
1777
lawrence_d_lopez
lawrence_d_l...
May 10, 2008 1:38 pm
How do I couple a FSQ106N to a FLI CFW7 ? The CFW7 contains 7 50mm filters. The CFW7 is connected to a FLI PL 6303E C1...
1778
bradgregley10
May 10, 2008 1:38 pm
Anyone know the answer to this question? Is there a Vista compatible driver for the FLI filter wheels? Greg....
1779
Richard Crisp
rdcrisp
May 10, 2008 1:38 pm
... nice one Antonio It is a most interesting area for imaging. I have to thank Rick Johnson for showing me the other interesting things surrounding N3718 Your...
1780
Richard Crisp
rdcrisp
May 10, 2008 1:38 pm
Larry I had both a Traveler and an FSQ at the same time and did some extensive side by side comparisons. First off the Traveler is a beautiful telescope,...
1781
bradgregley10
May 10, 2008 1:38 pm
I love it. Your star fields and colours are always so perfect. Greg. ... 150....
