I took a few photos tonight of the night sky tonight despite there being no sky. Oh yeah, for those non-Twitter impaired folks I have been trending a new...
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Massimo Torri
mi97ki
Mar 7, 2011 4:20 am
Follow up on the discussion around imaging DSO under light polluted skies: Re: [RASCAG] Urban imaging experiment Great shot, Blair! I would never know this was...
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Colin Peart
cgapeart...
Mar 13, 2011 3:17 pm
The spammer is back, and pestering the wiki again. I am temporarily blocking the site from edits for a few days to see if that will make them go away. I had...
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Massimo Torri
mi97ki
Mar 23, 2011 3:47 am
http://www.stephenramsden.com/solarastrophotography/solarprocessing.pdf Very nice tutorial! Cheers!...
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Massimo Torri
mi97ki
Mar 28, 2011 4:55 am
This was posted today on the RASCEG Yahoo!Group. Amazing shots, but what caught my eye was the fact that Mr.Wirths used AVIStack and claimed it worked better...
Here is an idea I just had that might make an interesting presentation in the dome one night - maybe not this month, but I would like to gather thoughts. For...
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ericsolo
ericsolo2000
Mar 31, 2011 4:23 am
Colin, that is a neat idea. That would inspire me to actually attend a meeting! Eric...
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Colin Peart
cgapeart...
Apr 9, 2011 11:37 pm
I have been playing around with building a barn-door tracker for some months. Spent some time this-aft doing some trigonometry and spreadsheeting, and I now...
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Alister Ling
watcherofthe...
Apr 10, 2011 3:40 pm
Way to go Colin! I too did a similar thing a couple of decades ago. Something that I was not aware of: The King rate, very slightly different from the sidereal...
Hello Astrophotgraphy group, I am looking to purchase a photo of the night sky taken in/near/around Edmonton. A friend of mine is a astrophysics student who is...
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Colin Peart
cgapeart...
Aug 16, 2011 9:46 pm
This isn't a particularly busy group at the moment, and we don't have a lot of rules, but there are some 'stellar' photographers that follow this list, and...
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Lance Taylor
lancetay
Aug 16, 2011 9:59 pm
Hi Leah, You can check out some of my work here on Flickr. I have a few "iconic" shots of Edmonton and Auroura, including one that made the Astronomy Picture ...
250
burnt.rain
Aug 16, 2011 10:03 pm
Hi Colin, As to what I'm looking for, I'm not a huge astronomy buff myself, so I don't really have anything in particular in mind. I was mostly hoping to get a...
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Colin Peart
cgapeart...
Aug 16, 2011 10:22 pm
Leah, Your request is like blood in shark infested waters... I don't think I have anything that would be quite right, but I wonder if Alister Ling or Luca...
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Lance Taylor
lancetay
Aug 16, 2011 11:22 pm
Luca has an APOD shot of the moon over downtown, as well Greg Scratchley has an NLC photo (also APOD) with downtown Edmonton in it I think too. All would be...
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scratchley
Aug 17, 2011 4:10 pm
Hey all - Uploaded a first set to the albums. :)...
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Massimo Torri
mi97ki
Aug 18, 2011 4:25 am
These are the best article I ever read about Signal to Noise: http://www.cloudynights.com/item.php?item_id=1966 ...
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Massimo Torri
mi97ki
Aug 18, 2011 4:26 am
Another very interesting article: http://www.cloudynights.com/item.php?item_id=1592 Cheers!...
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Lance Taylor
lancetay
Aug 18, 2011 2:29 pm
Mass, How do you take Bias frames? http://www.starlightccd.com/faq/platt/platt5.htm Lance ... -- "All things are possible with enough Time, Code, Money, XAND /...
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Colin Peart
cgapeart...
Aug 18, 2011 3:17 pm
If I remember correctly, with a lenscap on, you take the shortest possible exposure at the iso you are going to use. --Colin ... Colin Peart Sent from mobile ...
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Lance Taylor
lancetay
Aug 18, 2011 3:59 pm
I thought those were dark frames? Oh yeah.. I just purchased Nebulosity 2. This software is amazing! http://www.stark-labs.com/downloads.html I am off next...
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Colin Peart
cgapeart...
Aug 18, 2011 4:21 pm
A dark frame has the same exposure time as your light frames. A bias frame has the shortest possible exposure time your camera can do -- it's the noise ...
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Lance Taylor
lancetay
Aug 18, 2011 4:26 pm
Thanks Colin, that clears that up for me. =) ... -- "All things are possible with enough Time, Code, Money, XAND / XOR Beer." Twitter:* *@lancetay E-Mail*:*...
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Massimo
mi97ki
Aug 19, 2011 6:47 am
Keep in mind that you don't need bias frames if you take darks at the same ISO. Since bias signal is present in every frame you take, darks will have bias...
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Lance Taylor
lancetay
Aug 19, 2011 3:24 pm
I am tempted to go out to Blackfoot this weekend, when were you planning? Trying to work out all the bugs in my setup before next new moon. Updated my...
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Lance Taylor
lancetay
Aug 19, 2011 3:34 pm
FYI... ... From: celstark <craig@...> Date: Thu, Aug 18, 2011 at 10:29 PM Subject: [stark-labs-astronomy-software] Re: Neb 2.4.5 in pre-release -- ...
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Lance Taylor
lancetay
Aug 19, 2011 3:54 pm
Massimo, I just downloaded 2.4.5 beta of Neb2 and it appears to now include DIGIC 4 support for 550D/600D. http://www.stark-labs.com/depot/beta/ I will test...
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Lance Taylor
lancetay
Aug 19, 2011 5:53 pm
Anyone play around with this package before? Just tried out the image stacking options in it, and it doesn't do to bad of a job either. But, holy kaw.. what a...
