Jeff, I am surprised 3 minute subs did not blow out the Trapezium. I took 20 second subs on my F7 to get the Trapezium resolved. I know you are at F10, but...
72099
Neil Fleming
neilfleming
Dec 10, 2012 2:57 am
The allowable limit depends on how much RAM you have. The more RAM you have, the more data can be stored directly in memory. You are on the right path...if...
72100
randy_nulman
Dec 10, 2012 4:19 am
Hi, In addition to more computer RAM, There is a setting in CCDStack related to memory usage and if I remember correctly, the default was pretty small and I...
72101
CurtisC
die_nullte
Dec 10, 2012 6:28 am
Thanks. I wasn't sure if combining two or more batches would give the same result as combining all subs at once. When combining two or more batches: sum?...
72102
Ron Wodaski
rwodaski
Dec 10, 2012 8:28 am
Sum and mean are mathematically equivalent. (The average is just a scaled sum) Ron Wodaski Sent from my iPad...
72103
Neil Fleming
neilfleming
Dec 10, 2012 1:45 pm
The result should be pretty close, especially if each sub-batch has a good number of subs (20+). The difference is in the ability to get good outlier...
72104
Neil Fleming
neilfleming
Dec 10, 2012 3:06 pm
Yes, but that depends on your O/S. If you are using Windows XP/32-bit, then those old settings apply. If you are on a 64-bit system like Windows 7, then...
72105
randy_nulman
Dec 10, 2012 7:10 pm
Hi Neil, Tried to reply earlier via the group interface, but had some problems. FWIW, I used a Windows 7 OS, 8 gigs of RAM and at 64bits. Even then, I had...
72106
amball48
Dec 10, 2012 8:57 pm
I've seen some fantastic photo's in this group, but I wondered if others would be interested in a video I've put together (using CCD web-cams) to help explain...
72107
geoff
ghsmith1945
Dec 10, 2012 8:57 pm
I think you misunderstand what the set point on the camera means. If I understand you correctly you seem to think that a set point of -20 means that the camera...
72108
CurtisC
die_nullte
Dec 11, 2012 2:30 am
My processing laptop has 64-bit Vista and 4 GB of RAM. I'm using CCDStack 1.7. There's a setting for issuing an error message when there are too many subs,...
72109
mark_manner_spot_obsrv
mark_manner_...
Dec 11, 2012 3:36 am
Actually, if you set -20C in your camera control system, it mean -20C, period, that is, 20 degrees below 0 degrees centigrade, not -20 from the current ambient...
72110
Mark
limawms
Dec 11, 2012 4:25 am
Ron, So is my best bet just image everything at 1x1 or is there an easy way to fix this in processing? Mark...
72111
yahoo@...
rwodaski
Dec 11, 2012 5:56 am
As far as I know, this is a hardware tweak. Contact the manufacturer of the camera to see if there is anything that can be changed to suit your requirements. ...
72112
photonphisher
Dec 11, 2012 5:56 am
Very nice work, thanks for taking the effort. I especially liked the guiding portion showing the DEC gear movement compared to RA gear....
72113
Don
donwaid
Dec 11, 2012 4:08 pm
I just wanted to let the group know that I feel very honored that one of the Hubble Legacy Archive images I processed was selected as todays APOD. This is the...
72114
randy_nulman
Dec 11, 2012 6:45 pm
Hi, I agree with Ron in terms of your anti blooming adjustments (hardware adjustments) need to be done. It is certainly more effecient to take your color data...
72115
bgmiller011@...
bgmiller_01
Dec 11, 2012 7:06 pm
Way to go Don. It is amazing what you can do with a billion dolar telescope. Bernard...
72116
yahoo@...
rwodaski
Dec 11, 2012 9:06 pm
... Keep in mind that a good chunk of that was the delivery cost. <g> Ron Wodaski...
72117
Jim
jimgian2
Dec 11, 2012 9:06 pm
I've not had to deal with blooming with my camera but I've just attended a imaging seminar where CCDSTACK was used to debloom sub frames with much worse...
72118
Don
donwaid
Dec 11, 2012 9:27 pm
Bernard, Thanks for the nice comment on my HLA processing effort. Rob Gendler's article in Sky and Telescope really got me interested in trying my had at it....
72119
Bernard Miller
bgmiller_01
Dec 12, 2012 2:39 am
Ron, The mount is usually the most expensive item :-) Bernard From: ccd-newastro@yahoogroups.com [mailto:ccd-newastro@yahoogroups.com] On Behalf Of...
72120
Mark de Regt
soccernutsea...
Dec 12, 2012 2:42 am
Very exciting news, Don; congratulations! Mark ... From: ccd-newastro@yahoogroups.com [mailto:ccd-newastro@yahoogroups.com] On Behalf Of Don Sent: Tuesday,...
72121
Don
donwaid
Dec 12, 2012 3:52 am
Thanks Mark, I appreciate your very nice compliment! Being selected by APOD was "exciting news" for me as well! Don ... From: "Mark de Regt"...
72122
lmbuck2000
Dec 12, 2012 8:18 am
very nice work, Don. congratulations. i thouht the coolest part is now i know what that large red spot is in my M33 image. :-) Lee...
72123
randy_nulman
Dec 12, 2012 3:48 pm
Hi Don, I wanted to add my kudos to all the other "congrats";!! Beautiful image by the way. Regards, Randy Nulman...
72124
ka4gbr
ka4gbr...
Dec 12, 2012 8:00 pm
Wanted to jump in here. I have this happen to me once in a while when I bin . sometimes normal processing can take care of it but sometimes it won't. Is there...
72125
Don
donwaid
Dec 12, 2012 10:04 pm
Lee, Thank you for the kind comments. They are appreciated! One of the reasons I searched for NGC604 in the Hubble Legacy Archive is exactly what you ...
72126
Don
donwaid
Dec 12, 2012 10:23 pm
Randy, Thank you for taking the time to offer your congratulations for my HLA image and APOD. A few years back, you were the first to take the time and ...
72127
Mark
limawms
Dec 13, 2012 8:23 am
Randy & Jim Thanks for the info. This is what I was wondering about a processing fix. I'm guessing that in PS we're talking about using the clone tool? I...
