Awesome Leonard! I was just showing my Father in Law Jupiter last night through my 12" RCX using a DSI IIIC, wasn't even close to what you did. Congrat's!...
70107
Leonard Ellul-Mercer
apolen2001
Nov 1, 2011 8:45 am
Thanks Stephen, At the moment the weather is terrible, good thing I managed to capture these images on the 27th. Oct. Since then its been overcast. Leonard. On...
70108
donwaid
Nov 2, 2011 12:56 pm
If anyone has a CFW10 filter wheel that they would be willing to part with, please email me at: don (at) aiwebs.com I currently have the CFW8a but need the new...
70109
Leonard Ellul-Mercer
apolen2001
Nov 2, 2011 3:26 pm
Thanks to both of you. Leonard. ... [Non-text portions of this message have been removed]...
70110
COR SIMONS
corkandra
Nov 2, 2011 3:26 pm
Dear Group, Always very rewarding...imaging planets from our light polluted Orange County ( Southern California - USA)). My last image was taken last Saturday...
70111
Don
donwaid
Nov 2, 2011 9:03 pm
Found a CFW10!! Thanks for the quick response. Best to all. Don Waid ... From: "donwaid" <don@...> Sent: Wednesday, November 02, 2011 7:55 AM To:...
70112
GordonM
mandellgl
Nov 3, 2011 5:38 am
Hello. If I wish to take a sky-limited exposure from a light polluted site, is it better to take a shorter exposure with a clear filter or a longer exposure...
70113
Stan
stan_ccd
Nov 3, 2011 3:39 pm
... If the target is emission nebula then proper filtration will always improve nebula S/N, even in unpolluted skies. Use a "nebula" filter (e.g. H-a or...
70114
dmwmpd
Nov 3, 2011 3:43 pm
Look at the articles written by Tony Hallas in the July-August-September 2011 Astronomy Magazine. These articles show how to use Ha with LRGB. Don...
70115
Stan
stan_ccd
Nov 3, 2011 3:55 pm
P.S. ... You have that backwards. The point of an LPR filter is to (hopefully) obtain dim-object S/N is less time than an unfiltered exp. If the filter...
70116
GordonM
mandellgl
Nov 4, 2011 6:12 am
Thanks for the reply Stan. I have another question about using filters. I have made a few measurements to determine a reasonable exposure duration for LRGB...
70117
Stan
stan_ccd
Nov 4, 2011 4:01 pm
... That red sky-limited exp time looks wrong. Usually blue is the longest because most CCDs do not have relatively low QE in the blue, but each CCD/CMOS is...
70118
Gregory
fyrframe
Nov 4, 2011 6:44 pm
Hi everyone, I'm new to the group. I currently do not have Ron's book, but that will soon be resolved on payday. I currently own a Classic LX200 10in with the...
70119
rudieallison
Nov 4, 2011 11:32 pm
Hi Greg, Yes, Ron's book is great, especially for the neophyte!! You can get a new copy from OPT for $39.95 for a limited time. The book is out of print and...
70120
GordonM
mandellgl
Nov 5, 2011 5:56 am
Thank you Stan. I know it seems strange but I have measured the sky background ADU values several times and the values with the red filter are always...
70121
Rudie Allison
rudieallison
Nov 5, 2011 11:35 am
Hi Gregory, I also am a newbie to imaging and I highly recommend Ron's book. Regarding the price, the book is out of print so some places are taking advantage...
70122
Gregory
fyrframe
Nov 5, 2011 11:35 am
Thanks Rudie, I guess I should get busy! Gregory ... From: rudieallison Sent: Friday, November 04, 2011 2:54 PM To: ccd-newastro@yahoogroups.com Subject:...
70123
jwaters125
Nov 5, 2011 9:59 pm
Has anybody done a detailed analysis of CCD cameras using the 8300M chip? I expect most CCD's using the 8300 chip to have basically the same specifications...
70124
Kevin Dixon
starmaster08083
Nov 6, 2011 12:11 am
Hi Jim, There was a very detailed review of the SBIG and QSI cameras in the January 2011 issue of Atrophoto Insight Magazine. I own the QSI 583 and absolutely...
70125
David Quinn
northhaltona...
Nov 6, 2011 5:24 pm
Nice to see a great picture considering the challenges of Light Pollution...congratulations on your efforts. Â DQ Â North Halton Astronomy's Motto.. " Who...
70126
Bernard Miller
bgmiller_01
Nov 7, 2011 2:07 am
Hi, The link below is an image of NGC 246 (The Skull Nebula) and NGC 255. This looked like a more interesting image when I decided to take it. The finished ...
70127
Stan
stan_ccd
Nov 7, 2011 3:57 pm
I just returned for AIC where SBIG introduced a new version of their 8300 camera and several accessories, including an innovative OAG that is made to fit the...
70128
Mark Eburne
eburnemark
Nov 7, 2011 5:08 pm
Hello Jim. I just did my research as to what camera (8300) to get and I ended up with the QSI. As few reasons are it has been out for a while with no issues,...
70129
CurtisC
die_nullte
Nov 7, 2011 7:12 pm
... They aren't on the SBIG website. However, I've been wavering over whether to get the 10-pos filterwheel for my current camera at the "sale" price, or...
70130
Robin Lee
lkm_051
Nov 7, 2011 7:47 pm
Hey Bernard, Great job I would say! Regards, Robin Lee....
70131
Eric
eja24601
Nov 7, 2011 9:56 pm
Hi Bernard, That's a nice widefield! I also dream of the day when I can have a larger scope to capture more up-close shots of our targets, but this image is a...
70132
Bernard Miller
bgmiller_01
Nov 8, 2011 2:19 am
Eric, Wow, that is a good question. The RCOS is one, but at 20K, ouch. I have also considered a Hyperion from Starizona and a Planewave. There are probably ...
70133
Bernard Miller
bgmiller_01
Nov 8, 2011 2:19 am
Eric, The other thing I noticed in looking at the full image is the number of galaxies. While it is no competition to the Hubble deep sky image, I have been...
70134
astromfm
Nov 8, 2011 6:44 am
Jim, I have the Atik 383L+ mono. Had a few problems with the shutter sticking when I first got it, but Atik customer service was outstanding and responded...
70135
Eric
eja24601
Nov 8, 2011 2:14 pm
Hi Bernard, Your candidates pretty much approximate mine. To your list of candidates I'll add the Ceravolo Astrograph ($19K to start with, so - Ouch!) and (no...
