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M109

(8)
Very Nice indeed! I like that image. Johnyjf
johnjfrake
8
posts
Mar 27

My flat using anELP

(13)
" Post-binning ... used for quantitative work work like photometry(?)" As Ron says, confirm that there is no funny business from your camera (very unlikely).
stan_ccd
13
posts
Mar 25

what's wrong with this formula?

(3)
P.S. The sky limited concept is basically worthless for narrow-band imaging because there is virtually no sky background. In this case, pixel S/N dynamics
stan_ccd
3
posts
Mar 23

Sequence generator pro

(12)
Another plug for CCDAP. Handles all my gear natively and is literally a set and forget deal, once everything is configured. I really should try SGP at some
markacker
12
posts
Mar 18

Wide field lens error

(5)
P.S. I just noticed that the second image is labeled as a stack, so apparently you are using special software to manipulate the data. It would seem that
stan_ccd
5
posts
Mar 14

Telescope purchase

(9)
Robert, You are welcome. Keep us up to date and ask any questions you have. Love to see what you decide on. Have a great day! Karl From:
Karl S. Baltz Sr
9
posts
Mar 11

Tulip Nebula

(4)
Thanks for the very kind comments, Lee - much appreciated. Bruce W.
waddington50
4
posts
Mar 5

NGC 2419 - The Intergalactic Wanderer

(3)
Thanks Ron. Much appreciated!! Don From: ccd-newastro@yahoogroups.com [mailto:ccd-newastro@yahoogroups.com] Sent: Friday, February 27, 2015 10:19 AM To:
Don Waid
3
posts
Mar 2

heart of Orion

(13)
I'll do that, Stan. I'm very interested. Let's see if I can locate one of those cams used. [image: --] ...tim stone [image: http://]about.me/tim_stone
Tim Stone
13
posts
Mar 1

Nikon D810A

(20)
" the case is not, IMO, quite so bad as all that..." Right. I also use DSLR/MICL on fast short FL (have shown a few in this forum). It is easier and produces
stan_ccd
20
posts
Feb 26

CCDs for short FL

(14)
Extremely useful thread here. Thanks for taking the time to explain some of this and point us to more resources, Ron, I obviously have a lot of learning to do
Tim Stone
14
posts
Feb 15

Banding pattern in bias frame

(9)
" I can see these bands in my properly calibrated lights, which just doesn't seem right." Try subtracting only a single good matching dark from a raw light
stan_ccd
9
posts
Feb 4

Weird halos with new filters

(5)
Ah! I thought you meant different exposures or so :-) Here https://drive.google.com/folderview?id=0B0KcEqw-v71VWktjbU1QaHZWSVk&usp=sharing you have all subs
Mark Striebeck
5
posts
Feb 2

Issues with flats

(7)
The super reducer should be able to provide a 65mm diameter flat field (although the info I found said nothing about illumination, but generally reducers are
Ron Wodaski
7
posts
Feb 2

NGC2024 - The Flame Nebula

(7)
I agree Bernard....thats an exquisite image....the detail is superb, I see nothing that needs modifying. Cheers Carlos
synapticap1
7
posts
Jan 31
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