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Old Jul 27, 2011, 08:29 PM   #101
fpnc
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The heart of the constellation Cygnus captured on July 2, 2011 with a Nikon D5100 set to ISO 6400 using a 24mm f2.8 Nikon Ai lens. This is an unguided capture using a stack of 17 images with each separate exposure being 8 seconds long.

Image processing done in Aperture 3, Photoshop CS3, and Noise Ninja. The image alignment was done in Photoshop and the stack was completed with Keith's Image Stacker.

The faintest individual stars in the original image are near to the 12th magnitude (as checked with the star charting freeware Cartes du Ciel).


Cygnus the Swan on Flickr you can read additional details about this photo.

Last edited by fpnc; Aug 13, 2011 at 02:44 AM. Reason: Link to improved image on Flickr
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Old Jul 27, 2011, 09:32 PM   #102
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nice shots people!

I re-processed this star trail video timelapse using the cumulative image saving feature in StarStax, I think it definitely came out cooler than before.
Specs:
Camera Canon T1i
Lens 15-85 @ 15mm f3.5
ISO800 20 sec exposure each
Over 370 frames Processed all in MacOSX
StarStax, Time Lapse Assembler, iMovie11

select 720p to see detail in the video clip:
(once you start it select the 360p and pull up to 720p.)
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Old Jul 28, 2011, 03:33 PM   #103
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Quote:
Originally Posted by mtbdudex View Post
...I re-processed this star trail video timelapse using the cumulative image saving feature in StarStax, I think it definitely came out cooler than before...
That's an interesting effect, I don't think I've ever seen a video of star trails growing with the passing of time.
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Old Aug 1, 2011, 09:41 AM   #104
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Originally Posted by fpnc View Post
That's an interesting effect, I don't think I've ever seen a video of star trails growing with the passing of time.
The MacOSX program StarStax will help you do that, it has a feature where it takes a snapshot of each composite frame after it stacks each individual original frame.

Then, you take those progressively stacked composite frames into your video assembly program, here I used Time Lapse Assembler.
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Old Aug 5, 2011, 01:55 AM   #105
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Mike, congratulations on APOD! Fantastic shot, processing, the whole shebang!

For those not familiar, here is a link....http://apod.nasa.gov/apod/ap110805.html

Andy
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Old Aug 5, 2011, 06:33 AM   #106
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Quote:
Originally Posted by budman1961 View Post
Mike, congratulations on APOD! Fantastic shot, processing, the whole shebang!

For those not familiar, here is a link....http://apod.nasa.gov/apod/ap110805.html

Andy
Thx Andy!
I woke up 30 minutes ago and saw that via my facebook "like" link.
This may never happen to me again gang.....my picture made it to NASA!!
How long does 15 minutes of fame last??
Picture as hosted on NASA's site.
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Old Aug 5, 2011, 03:46 PM   #107
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Congrats! I used to check out APotD every day, I think it was one of my first bookmarks ever, around the time when I switched from Mosaic to Netscape ...
How did they find the photo?
Did they ask your permission?
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Old Aug 5, 2011, 05:05 PM   #108
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Originally Posted by gnd View Post
Congrats! I used to check out APotD every day, I think it was one of my first bookmarks ever, around the time when I switched from Mosaic to Netscape ...
How did they find the photo?
Did they ask your permission?
Thx, submission is via their website, the very bottom of their "about" page has instructions
http://apod.nasa.gov/apod/lib/about_apod.html
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Old Aug 6, 2011, 09:18 AM   #109
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Wow MTBdudex, you made it to Gizmodo!

http://gizmodo.com/5828280/how-to-ta...t-summer-night

Congrats! That will kick your rep up quite a bit!

Andy
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Old Aug 8, 2011, 06:53 PM   #110
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Doing some marketing 101 here.

MacRumors photog gang - please vote for my NASA APOD Aug 5, 2011 pict "A Summer Night's Dream" for Picture of the Week for 2011 July 31-Aug 6
No need to register to vote.

Quote:
Please vote for the TWO best Astronomy Pictures of the Day (image and text) of July 31-Aug 6 2011.

All titles are clickable and link to the original APOD page.

We ask for your help in choosing an APOW as this helps Jerry and Robert create "year in APOD images" review lectures, create APOM and APOY polls that can be used to create a free PDF calendar at year's end, and provides feedback on which images and APODs were relatively well received. You can select two top images for the week.

We are very interested in why you selected the APODs you voted for, and enthusiastically welcome your telling us why by responding to this thread.

Thank you!
click here will take you to poll APOD Picture of the Week for 2011 July 31-Aug 6


Thank you, some great photos there...
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Old Aug 12, 2011, 06:04 AM   #111
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Some of the blogs on the web took liberty (without email or contacting me) with what Mr Robert Nemiroff and Mr Jerry Bonnell wrote up and published on the NASA APOD site, therefore I've compiled the below.


I'd like to add this image came out of my multiple attempts at capturing fireflies last Summer in a pleasing way, not by accident!

We have 2+ acres, and front is 1 acre of wildflowers, so lots of insects/butterflies/spiders/etc live there + wildlife (deer/etc) go thru there.

That's why we have fireflies there, we choose to be more natural/green instead of lawn.

Facts/History behind this shot:

Summer of 2010 I attempted the single exposure for firefly capture, just a few green dots in single 20 sec exposure:
June-16-2010 attempts these 2 :

Can you see the fireflies?? well neither can I...but all part of the learning trial/error process


Then July-11-2010 my 1st stacked attempt gave so-so results, but showed some possibility for neat shot:



This 2nd stacked attempt of 8 second images from July 14-2010 had more promise:


What I learned is the time of evening/dusk to begin shooting at, taking trial shots to balance exposure/capture of fireflies vs over bright sky, etc.

Then I backed up more for this multi-exposure shot taken July-16-2010, which included star trails.
In my mind, this was where it was at, fireflies + star trails, so that was my mindset for next future attempt .


Moving to the bottom of the driveway for more wide field view and rules of 1/3 was learned by this July-16-2010 capture in portrait orientation - with fireflies


and winter star trails image taken Feb-4-2011 here in landscape orientation:



Therefore, when my wife asked me to capture the fireflies on July-20-2011, I took all the above lessons learned:
-multiple captures over time
-composition rules of 1/3 for the scene
-choose landscape over portrait
-special software to process the image

and also got lucky with timing to capture the rising moon in the garage 2 window reflection.
Which, as some may have noticed there is a ladder leaning against the garage side.
I was doing the 5 year loghome re-staining, so the window screens were off, thereby letting the rising moon light reflect and be captured in each 20 sec exposure.
IF I was not re-staining chances are the relative brightness of the moon's reflection would not be apparent off the screen covered windows.

Lots of things came together to make the August 5, 2011 APOD shot; chance + learned skills.
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Last edited by mtbdudex; Aug 12, 2011 at 06:26 AM.
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Old Aug 12, 2011, 11:07 PM   #112
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Our nearest star.


Our Nearest Star

Captured through a Thousand Oaks Optical Type 2+ solar filter mounted on an Astro-Tech AT72ED telescope (2.8"/72mm aperture, 430mm prime focal length, f/6) using afocal projection to a Nikon D5100 DSLR (ISO 200, 1/13 second).

I just purchased this solar filter today and only had time for a few shots at sunset and just before the sun was completely covered by heavy clouds.

Last edited by fpnc; Aug 12, 2011 at 11:23 PM.
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Old Aug 13, 2011, 11:31 AM   #113
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My first attempt at a stack and unfortunately the moon was so bright the house was overexposed. In the beginning this was intended to be a timelapse but at the moment I am waiting to figure out how to apply some exposure adjustment layers to each photo as an action as otherwise the house is too blown out.

It is probably still to bright here but it's the best I could do!


France Star Trail by acearchie, on Flickr
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Old Aug 13, 2011, 12:26 PM   #114
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Quote:
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My first attempt at a stack and unfortunately the moon was so bright the house was overexposed. In the beginning this was intended to be a timelapse but at the moment I am waiting to figure out how to apply some exposure adjustment layers to each photo as an action as otherwise the house is too blown out.

It is probably still to bright here but it's the best I could do!
Nice, how about this?

You do PP on 1 of your original exposures for the house/foreground to darken them, then you in layers add that to your completed star trail shot?
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Old Aug 13, 2011, 02:47 PM   #115
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Originally Posted by acearchie View Post
My first attempt at a stack and unfortunately the moon was so bright the house was overexposed.
It may not be what you were looking forward to, but I like it. Star trails in virtual daylight. Cool!
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Old Aug 13, 2011, 07:34 PM   #116
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Originally Posted by mtbdudex View Post
Nice, how about this?

You do PP on 1 of your original exposures for the house/foreground to darken them, then you in layers add that to your completed star trail shot?
Unfortunately there is a really cool shadow from the trees and the moon that move right across the front of the house that I would ideally like to keep.

Someone else did post in the other thread I made so there maybe a solution!

Thanks xStep!
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Old Aug 16, 2011, 11:54 PM   #117
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Perseids 2011 - caught (5) + star trails + video

Been busy, I got 5 so-so ones in the bright moon light, some PP in CS5 helped, here they are:

Startrails 3:50am - 5:24am - can you spot the 5 in there?
The wind picked up at the end of the shooting, must have rocked the camera slightly, or some critter was messing with it while I was taking my shower before work.


Bonus, ISS also captured, it's the middle white 6 streaks between the 2 red airplane streaks.


These are all crops, about 1600 pix wide posted 800 pix wide
(original image is 4752 pix wide)
#1 date/time 2011:08:12 04:03:38 am


#2 date/time 2011:08:12 04:14:22


#3 date/time 2011:08:12 04:25:43


#4 date/time 2011:08:12 04:51:23


#5 date/time 2011:08:12 05:22:22




For ref, here is #4 as captured @ ISO800 and 8 second, no crop


Then #4 after PP in CS5 before cropping
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Last edited by mtbdudex; Aug 17, 2011 at 07:32 AM.
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Old Aug 18, 2011, 01:04 AM   #118
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My first long star trails photo. I've taken a few ten minute ones before, but this is the first where I stacked a bunch of 30 second exposure over a couple of hours:


Sorry for the size, can't resize it nor use my normal host until I get home.
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Old Aug 20, 2011, 12:10 AM   #119
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Made a 30 second video clip

This video is between 3:50am and 5:24am on Friday 8-12-2011.


This shows the stars rotating as pin points of light along the NCP (North Celestial Pole, near Polaris), the 1st 15 seconds style shows the moon brightness still affected the video processing, the last 15 cumulative effect is kinda cool:
Click to watch YouTube HD 1080p video Perseids 2011 - shooting in the full moon! With ISS captured



The end frames show the dawn brightness overtake the stars
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Old Aug 20, 2011, 06:21 AM   #120
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Yesterday I was out capturing images of the waning gibbous moon and the planet Jupiter when I decided to test my camera setup on a bright star. Here is what I got (a surprise - to me - double star).


Rigel: A Double Star on Flickr you can read additional details on this image.
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Old Aug 22, 2011, 08:02 AM   #121
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Taken yesterday morning from Mt. Palomar, California.


LA Lights in the Night Sky on Flickr you can view a larger image and read additional details on this photo.
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Old Sep 1, 2011, 06:13 PM   #122
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Took the family tent camping at Michigan Ludington State Park last weekend, awesome place.

1st night was perfect seeing conditions, but I was at the campfire making smores/etc.
2nd night clouds, 3rd night appeared clear but windy, turned out whispy clouds.

Still, I went to the beach 3rd night and took a few from tripod, here is best of the bunch with least clouds.
ISO: 1600, Exposure: 25.0 sec, Aperture: 3.5, Focal Length: 15mm


Looking South, the light pollution over Lake Michigan on RH side is Chicago 130 miles away....
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Old Sep 1, 2011, 09:37 PM   #123
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This a old shot from when I first tried any sort of astrophotography, and sadly, I haven't been able to do a whole lot more. The colors are a bit to cool, but I like it that way personally.

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Old Sep 1, 2011, 09:50 PM   #124
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Power was out because of Irene, so I was able to get one with minimal light pollution


Stars by mackmgg, on Flickr

Anyone know what that is in the top right corner? It seems too small to be an Iridium flare, but I'm not sure
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Old Sep 14, 2011, 06:25 AM   #125
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Taken this morning with my 2.8" Astro-Tech refractor, another shot of Jupiter with its four moons and the Great Red Spot (or as I may refer to it, the "Great Pale Spot" -- the spot is near to the lower middle of the planet's surface).


Jupiter, its Gallilean Moons, and the Great Red Spot on Flickr you can view a larger version and read additional details about the photo.

Here are some links which allow you to get real-time animations/simulations of Jupiter's appearance and the position of its moons:

For the moons:

http://jm.savage-garden.org/horizons...rget=1&info=on

For a closeup of Jupiter's surface (showing the location of the Great Red Spot when I took the above picture):

http://jm.savage-garden.org/horizons...rget=2&info=on

Last edited by fpnc; Sep 20, 2011 at 12:58 AM. Reason: Update to new image showing the Great Red Spot
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