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Posts for: CraigFair
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Oct 16, 2017 05:12:52   #
Curve_in wrote:
I posted Take 1, 2 and 3 a while back and now I'm able to get images I like as long as the moon and clouds are not in the way. About 100 30 sec shots combined in to one. We don't live in a super dark place, so don't let that keep you from trying to shoot stars. I used a 10mm 2.8 lens on a Nikon D7000. I use a Linux system and my two programs for this were Darktable for the RAW image and GIMP for the stacking, shading and straightening. I created a mask for the final imageto keep the house dark, but just a bit of green for the trees. I straightened the house a bit so it wouldn't look like it was leaning backward. Thanks for all your help!

Take 1 - http://www.uglyhedgehog.com/t-444791-1.html
Take 2 - http://www.uglyhedgehog.com/t-445168-1.html
Take 3 - http://www.uglyhedgehog.com/t-445539-1.html
I posted Take 1, 2 and 3 a while back and now I'm ... (show quote)

Cool work.
Craig
 
Oct 16, 2017 05:09:27   #
Albuqshutterbug wrote:
Tonight I went after a few classics.
The Ring, Dumbbell, & Blue Snowball nebulas
I Also shot Hercules just for grins.
I tried to shoot the Lagoon nebula but it was too low into my city glare.
I shot several frames of Andromeda and need to try and stack them.
All with the CGEM mount and my 6" f:/5 Newtonian scope.
All of these are single shots processed in Digital Photo Professional.
Little bit better tonight. Except the Ring nebula, I think I bumped it and I only did one shot of it.
Jim the tuckered out Pilot
Tonight I went after a few classics. br The Ring, ... (show quote)

So you went after all the little ones. And did a great job of it too.
Craig
Oct 16, 2017 05:02:13   #
Albuqshutterbug wrote:
No one seems to want to comment on my deep space.
Maybe this is good enough to wake someone up.
Lunt 60mm and Celestron 236 Skyris.
Stacked 20% of 7700 frames and processed entirely in Photoshop.
Jim

Super job Jim and well worth all the time.
Craig
Oct 16, 2017 04:58:26   #
SonnyE wrote:
Holy Moly, just got in a groove and shut down the bars and chased the drunks home....
Well figuratively.... I surrendered to the pillow at 3:30 AM.
I blame part of that on Orion showing up late to the party, then a brief hide and seek around the top of the power pole.
So the night started off with some M&M's, M-32 and M-110. I just wanted to see what I could pluck out of the area around Andromeda. And NGC 1027 which looked inviting as a cluster in the Heart Nebula. I was disappointed I couldn't seem to pull the red out of it.
After a while, it lead me off to Pleiades to sample some darker nebula. Which is as hard as pulling hens teeth, or plucking frogs hairs. But by the time I was tired of that, Orion was soon to arise. So I set off in Stellarium to track Orion, and wandered off to watch the News. Or L.A.'s rendition of what they call news. Mostly interested in the fires...
Ta-Da! Orion creeped up through the Light Pollution to my ENE direction around Midnight. Gottcha! I started fiddling with imaging. I was looking for a lot of short exposures, so I settled on 5 second exposures, and let them build. That process is boring enough that I woke up to 450, 5s images. Woopee! I saved them and went after the Flame and Horse-head Nebula's with Alnitak.
I gathered a bunch of varieties, and I even was thinking of you! So I saved some FIT and TIF files in case anyone might like to play. Download and try your hand. FITs, TIFF, and JPG's to enjoy.
So here's mine, and you are welcome to try some of my files in case your conditions weren't working for you. Feel free, and have fun!

I went to bed early last night...
Holy Moly, just got in a groove and shut down the ... (show quote)

I think that they are all worth the effort Sonny. What camera did you use on the Orion's Nebula that the reds didn't come through???
Craig
Oct 16, 2017 04:49:26   #
stepping beyond wrote:
Diamonds in the sky{white dwarfs} captured in the NE sky, beautiful to look upon. Total int. time @ -19c/ 1104s/ 34 frame stack in Sharpcap live stacking with asi174MM cooled / 8 in astrograph/ lxd55 mount. I can't wait for my EFW, I'm ready.

Very nicely done Ronnie.
Good luck with your new EFW
Craig
Oct 16, 2017 04:38:38   #
Albuqshutterbug wrote:
Well sort of.
I stayed up till 2 AM to play with Orion and get my first shots of the year
AVX mount and my Canon 7D Mark II with a 70-200mm L at 200mm
ISO 100
120 Second single shot
f:/7.1
Tweaked white balance in Canon Photo Professional
Jim

You have tweaked my interest in getting out the Big Tammy and putting it on my CGEM. And shooting some large objects.
Craig (In Hawaii)
 
Oct 16, 2017 04:30:40   #
Marc G wrote:
God its been awhile what with work commitments & the clouds but finally managed a session last night.
Here we hae a few ot the Veil Nebula in Cygnus.
Canon 450D astro modded
Cls clip filter
Nikkor 300mm prime
ISO400
50@120s with 25 darks
25@60s with 15 darks

As Jim said, beautiful for a very difficult Nebula.
Craig
Oct 16, 2017 04:24:51   #
papa wrote:
Shot at 11:23 PM in Rio Dell, CA with Canon EOS 7D, Tamron SP 150-600 VC, ISO 200, f/11@600mm, 1/250th/s, 0EV. Post processed in DxO Optics Pro 11 Elite as 30% crop. Can an old Canon shoot?

Very beautiful Papa. Great contrast.
Craig
Oct 6, 2017 18:57:42   #
SkyKing wrote:
Thanks Craig...there is another one coming in 2024...I hope to catch it in Texas...they are talking 4 minutes of totality...as I learned with this one there is a lot you can do in 30 seconds...

I'll have to settle for the 60% I'll get in Santa Maria CA.
Craig
Oct 6, 2017 18:56:09   #
JimH123 wrote:
I am going to post a few images that I used Sony's MFNR (Multi-Frame-Noise-Reduction) to see if it offers any advantages for astrophotography. What it does is fire off 6 images (Alpha Models) or 4 images (newer E-Mount Models) and stack in camera to reduce noise. The downside is that only JPEG can be used and images are limited to a max of 30 sec each.

For the displayed imaged, I shot anywhere from 15sec to 30 sec at ISO 3200 using an Orion Astrograph 8" Newton type scope with coma corrector. Focal length is 800mm and the speed is about f3.9.

The images were first loaded into Lightroom, but no adjustments are made. For each image, I exported it to Photoshop, used RC-Astro's Gradient XTerminator to even out the image background and then adjusted the Level's black point to the right stopping short of doing any clipping. Then returned it to Lightroom. I finally exported as another JPEG and that export is what I am showing.

What I find is the following:

1) Noise has indeed been minimized by the image stacking. I did not provide any additional noise reduction.
2) The images are 8-bit JPEG and do not respond well to stretching, so I didn't do any stretching at all.
3) The stars look good, corner to corner, showing that the scope is performing well.
4) Even though exposure times are short, many faint stars can be seen due to the light gathering ability of an 8" mirror.

Image 1 is The Blue Snowball. 800mm is hardly enough to show off this object. But it is plainly visible.

Image 2 is M 103, an open cluster. To the far left is NGC559, another open cluster.

Image 3 is M52, another open cluster. To the upper right is the bubble nebula, although at 800mm and 20 sec images, you don't see much.

Image 4 is NGC 103, yet another open cluster.

Image 5 is Andromeda. Lots of galaxy structure is beginning to be seen. But insufficient time and insufficient processing to bring it out better. But since this is only 8-bit JPEG, stretching is not really an option. Again, only RC-Astro was used to improve the background gradient. And the Levels black point was slid to the right, but stopped before black clipping reached.

In retrospect, imaging this way can be termed "Lazy Man's Astrophotography". It can see many faint objects, and noise is under control. But what you get is about what you end with. The images just are not very adjustable. Certainly not adjustable like the 16-bit images I get with the Atik Infinity and Atik 460ex. Even a tiny stretch causes these images to fall apart.
I am going to post a few images that I used Sony's... (show quote)

Andromeda was well worth the wait to Download, nicely done Jim H.
Craig
Oct 4, 2017 18:07:06   #
Albuqshutterbug wrote:
This is from video shot earlier this year with AstroCap software and my 8" SCT.
I played around with this for a bit and had some fun with the inverse view.
Jim the cloudy rained out Pilot.

Good work Jim. The inverse is interesting.
Craig
 
Oct 4, 2017 18:04:54   #
SonnyE wrote:
So rather than wonder where the mount was going, I decided to do one of my (all too) familiar Factory Reset's of the mount. I'm getting to like that feature to get rid of the hash from previous nights. I might even make it a routine once a week or something. Everything seems to run great right after...
So the Alignment went easier, because the alignment stars landed mostly in view. I was shaking my head because I began with 2-3 stars aligned in the guide scope, then realized my mistake and finished up with the main imaging camera as my centering view. But in spite of changing paddles mid stream, it didn't tip over the boat.
And interestingly enough, none of the chosen objects needed re-centering. So pretty much Bulls-Eye slewing. Happy to see that.
I found myself seeking the obscure, the tiny, the things I'd never visited before. It became a game.
I had updated the Infinity camera software trying to find the color I feel has been lost somewhere. So after a run at the (origional) Bubble Nebula, I went after Clusters and Galaxies.


And yada, yada, yada... Last nights spoils.
As shot, with mild noise abatement. Minimal post processing.
So rather than wonder where the mount was going, I... (show quote)

Wow Sonny way to go. Your settings seem pretty good.
Craig
Oct 4, 2017 18:02:35   #
mark.r wrote:
Hi' While on holidays in a log cabin up in the mountains in Colorado.On my last night i managed to capture the milky way on one clear night.Mark

Beautifully done Mark. That's a great start, keep em coming.
Craig
Oct 4, 2017 18:00:47   #
JimH123 wrote:
Took a stack of images on Apr 1, 2016 using the Sony A6300 with the Orion 8" Astrograph 800mm, f3.9. This was a stack of 36 images, 25 sec each, at ISO 1600, using the camera's electronic shutter. And just now remembered that I never got around to processing. Used DSS. And of course, with DSS, I always struggle with color for which on this one, I pushed the saturation to no avail. The twins are at the top with a few close neighbors in the vicinity.

The 2nd image is m44, The Beehive Cluster. Taken on the same night, but the exposure time shortened way down so as not to saturate the brighter stars.
Took a stack of images on Apr 1, 2016 using the So... (show quote)

I like em both Jim H.
Craig
Oct 4, 2017 17:59:15   #
SkyKing wrote:
...I saw a black hole in the sky but my camera saw the moon in front of the sun...

Very nicely done sir.
I wish I could have gotten the totality. But I was at 92.5%.
Craig
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