Re: [Utah-astronomy] Utah-Astronomy Digest, Vol 80, Issue 16 LCROSS Results
Maybe the Moon beings have a Star Wars-type missile defense system that actually works. John R.Peterson
Yes, fall break has arrived. I am back home in Southern UT and finally got some new shots. http://www.slas.us/gallery2/main.php?g2_itemId=2442&g2_imageViewsIndex=1 Milky Way Wide Field http://www.slas.us/gallery2/main.php?g2_itemId=2445&g2_imageViewsIndex=1 Heart of Cygnus These were taken with a new camera lens that is great for wide field astro work. Canon 50mm F1.8 stopped down to around F4 gives some amazing results for a lens that costs under 100$ o.O Cheers David Rankin
That's very interesting, David. I assume your camera was piggyback on a telescope that was tracking. What was the telescope, and how long was the exposure? Thanks, Joe --- On Sun, 10/11/09, David Rankin <David@rankinstudio.com> wrote: From: David Rankin <David@rankinstudio.com> Subject: [Utah-astronomy] Some New Shots To: "Utah Astronomy" <utah-astronomy@mailman.xmission.com> Date: Sunday, October 11, 2009, 11:11 AM Yes, fall break has arrived. I am back home in Southern UT and finally got some new shots. http://www.slas.us/gallery2/main.php?g2_itemId=2442&g2_imageViewsIndex=1 Milky Way Wide Field http://www.slas.us/gallery2/main.php?g2_itemId=2445&g2_imageViewsIndex=1 Heart of Cygnus These were taken with a new camera lens that is great for wide field astro work. Canon 50mm F1.8 stopped down to around F4 gives some amazing results for a lens that costs under 100$ o.O Cheers David Rankin _______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
Joe, Actually, I hook the camera to the mount using the same dovetail I use for my scope...losmandy style dovetail. I take the tripod head off of my regular camera tripod and hook it to the dovetail then attach that to the mount. There was no scope or guiding involved. Just did a polar alignment and ran at 1.75x sidereal. The alas is pretty good for this sort of thing as long as your at low magnification. The subs I used were between 2 and 2 1/2 minutes. (Fast little lens) Cheers David Joe Bauman wrote:
That's very interesting, David. I assume your camera was piggyback on a telescope that was tracking. What was the telescope, and how long was the exposure? Thanks, Joe
--- On Sun, 10/11/09, David Rankin <David@rankinstudio.com> wrote:
From: David Rankin <David@rankinstudio.com> Subject: [Utah-astronomy] Some New Shots To: "Utah Astronomy" <utah-astronomy@mailman.xmission.com> Date: Sunday, October 11, 2009, 11:11 AM
Yes, fall break has arrived. I am back home in Southern UT and finally got some new shots.
http://www.slas.us/gallery2/main.php?g2_itemId=2442&g2_imageViewsIndex=1
Milky Way Wide Field
http://www.slas.us/gallery2/main.php?g2_itemId=2445&g2_imageViewsIndex=1
Heart of Cygnus
These were taken with a new camera lens that is great for wide field astro work. Canon 50mm F1.8 stopped down to around F4 gives some amazing results for a lens that costs under 100$ o.O
Cheers
David Rankin
_______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
_______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
Hi, I have uploaded two new albums to my gallery. The first is a set of photos I took between 5:31 and 5:31:38 a.m., 10-9-09, of the LCROSS target region, shown in full frame. The second is the same, but with the frames cropped and enlarged to show where it was to hit. To see them as an animation, click on the first view in each album, tell it you want a slideshow, and make the slideshow fast so it won't take a minute and a half to run through these images. To make it fast, put your curse on the icon to enlarge the view, at the lower right, and move just above that to options. You can speed up the slideshow, and tell it to loop if you wish. The first part of the first album is at: http://www.slas.us/gallery2/main.php?g2_itemId=2454 The first part of the second album is at: http://www.slas.us/gallery2/main.php?g2_itemId=2529 I don't know what it shows and maybe when I go through my many dozens of other photos I'll know better. But for now, please pay particular attention to the difference between pic3 44 and 45. I'd like Kurt to take a look. Maybe nothing, but this is fun -- and it's why I thought I saw something Monday morning. Thanks, Joe
Why did you run it at 1.75X sidereal. -----Original Message----- From: utah-astronomy-bounces@mailman.xmission.com [mailto:utah-astronomy-bounces@mailman.xmission.com] On Behalf Of David Rankin Sent: Sunday, October 11, 2009 12:48 PM To: Utah Astronomy Subject: Re: [Utah-astronomy] Some New Shots Joe, Actually, I hook the camera to the mount using the same dovetail I use for my scope...losmandy style dovetail. I take the tripod head off of my regular camera tripod and hook it to the dovetail then attach that to the mount. There was no scope or guiding involved. Just did a polar alignment and ran at 1.75x sidereal. The alas is pretty good for this sort of thing as long as your at low magnification. The subs I used were between 2 and 2 1/2 minutes. (Fast little lens) Cheers David Joe Bauman wrote:
That's very interesting, David. I assume your camera was piggyback on a telescope that was tracking. What was the telescope, and how long was the exposure? Thanks, Joe
--- On Sun, 10/11/09, David Rankin <David@rankinstudio.com> wrote:
From: David Rankin <David@rankinstudio.com> Subject: [Utah-astronomy] Some New Shots To: "Utah Astronomy" <utah-astronomy@mailman.xmission.com> Date: Sunday, October 11, 2009, 11:11 AM
Yes, fall break has arrived. I am back home in Southern UT and finally got some new shots.
http://www.slas.us/gallery2/main.php?g2_itemId=2442&g2_imageViewsIndex=1
Milky Way Wide Field
http://www.slas.us/gallery2/main.php?g2_itemId=2445&g2_imageViewsIndex=1
Heart of Cygnus
These were taken with a new camera lens that is great for wide field astro work. Canon 50mm F1.8 stopped down to around F4 gives some amazing results for a lens that costs under 100$ o.O
Cheers
David Rankin
_______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
_______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
_______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
With my atlas, seems to give the best results unguided. Don J. Colton wrote:
Why did you run it at 1.75X sidereal.
-----Original Message----- From: utah-astronomy-bounces@mailman.xmission.com [mailto:utah-astronomy-bounces@mailman.xmission.com] On Behalf Of David Rankin Sent: Sunday, October 11, 2009 12:48 PM To: Utah Astronomy Subject: Re: [Utah-astronomy] Some New Shots
Joe,
Actually, I hook the camera to the mount using the same dovetail I use for my scope...losmandy style dovetail. I take the tripod head off of my regular camera tripod and hook it to the dovetail then attach that to the mount. There was no scope or guiding involved. Just did a polar alignment and ran at 1.75x sidereal. The alas is pretty good for this sort of thing as long as your at low magnification. The subs I used were between 2 and 2 1/2 minutes. (Fast little lens)
Cheers
David
Joe Bauman wrote:
That's very interesting, David. I assume your camera was piggyback on a
telescope that was tracking. What was the telescope, and how long was the exposure? Thanks, Joe
--- On Sun, 10/11/09, David Rankin <David@rankinstudio.com> wrote:
From: David Rankin <David@rankinstudio.com> Subject: [Utah-astronomy] Some New Shots To: "Utah Astronomy" <utah-astronomy@mailman.xmission.com> Date: Sunday, October 11, 2009, 11:11 AM
Yes, fall break has arrived. I am back home in Southern UT and finally got
some new shots.
http://www.slas.us/gallery2/main.php?g2_itemId=2442&g2_imageViewsIndex=1
Milky Way Wide Field
http://www.slas.us/gallery2/main.php?g2_itemId=2445&g2_imageViewsIndex=1
Heart of Cygnus
These were taken with a new camera lens that is great for wide field astro
work. Canon 50mm F1.8 stopped down to around F4 gives some amazing results for a lens that costs under 100$ o.O
Cheers
David Rankin
_______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
_______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
_______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
_______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
David, The widefield images are really cool! Cheers, Tyler _____________________________________________ -----Original Message----- From: utah-astronomy-bounces+tylerallred=earthlink.net@mailman.xmission.com [mailto:utah-astronomy-bounces+tylerallred=earthlink.net@mailman.xmission.co m] On Behalf Of David Rankin Sent: Sunday, October 11, 2009 11:12 AM To: Utah Astronomy Subject: [Utah-astronomy] Some New Shots Yes, fall break has arrived. I am back home in Southern UT and finally got some new shots. http://www.slas.us/gallery2/main.php?g2_itemId=2442&g2_imageViewsIndex=1 Milky Way Wide Field http://www.slas.us/gallery2/main.php?g2_itemId=2445&g2_imageViewsIndex=1 Heart of Cygnus These were taken with a new camera lens that is great for wide field astro work. Canon 50mm F1.8 stopped down to around F4 gives some amazing results for a lens that costs under 100$ o.O Cheers David Rankin _______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
Thanks Tyler :) Tyler Allred wrote:
David, The widefield images are really cool! Cheers, Tyler
_____________________________________________ -----Original Message----- From: utah-astronomy-bounces+tylerallred=earthlink.net@mailman.xmission.com [mailto:utah-astronomy-bounces+tylerallred=earthlink.net@mailman.xmission.co m] On Behalf Of David Rankin Sent: Sunday, October 11, 2009 11:12 AM To: Utah Astronomy Subject: [Utah-astronomy] Some New Shots
Yes, fall break has arrived. I am back home in Southern UT and finally got some new shots.
http://www.slas.us/gallery2/main.php?g2_itemId=2442&g2_imageViewsIndex=1
Milky Way Wide Field
http://www.slas.us/gallery2/main.php?g2_itemId=2445&g2_imageViewsIndex=1
Heart of Cygnus
These were taken with a new camera lens that is great for wide field astro work. Canon 50mm F1.8 stopped down to around F4 gives some amazing results for a lens that costs under 100$ o.O
Cheers
David Rankin
_______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
_______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
After tweaking out my setup and spending more than an hour trying to get everything setup. I was able to capture this one last night before the spotlight in the night came to ruin my astrophotography. Enjoy! http://www.slas.us/gallery2/main.php?g2_itemId=2557&g2_imageViewsIndex=1
Really nice! I'm reminded again of how much I love NGC 6946! That's a nice wide field, too. -- Joe --- On Mon, 10/12/09, David Rankin <David@rankinstudio.com> wrote: From: David Rankin <David@rankinstudio.com> Subject: [Utah-astronomy] NGC 6949 (New Image) To: "Utah Astronomy" <utah-astronomy@mailman.xmission.com> Date: Monday, October 12, 2009, 11:46 AM After tweaking out my setup and spending more than an hour trying to get everything setup. I was able to capture this one last night before the spotlight in the night came to ruin my astrophotography. Enjoy! http://www.slas.us/gallery2/main.php?g2_itemId=2557&g2_imageViewsIndex=1 _______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
Thanks Joe. I bought this 10" F4.7 OTA for deep galaxy work. I cant wait until M51 and M101 are back up high. Joe Bauman wrote:
Really nice! I'm reminded again of how much I love NGC 6946! That's a nice wide field, too. -- Joe
--- On Mon, 10/12/09, David Rankin <David@rankinstudio.com> wrote:
From: David Rankin <David@rankinstudio.com> Subject: [Utah-astronomy] NGC 6949 (New Image) To: "Utah Astronomy" <utah-astronomy@mailman.xmission.com> Date: Monday, October 12, 2009, 11:46 AM
After tweaking out my setup and spending more than an hour trying to get everything setup. I was able to capture this one last night before the spotlight in the night came to ruin my astrophotography.
Enjoy!
http://www.slas.us/gallery2/main.php?g2_itemId=2557&g2_imageViewsIndex=1
_______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
_______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
David, excellent images all. What sort of "self modifications" did you make to your XSi? I also have one, but have yet to try any astro photos (nor do I have a good tracking mount). /R --- On Mon, 10/12/09, David Rankin <David@rankinstudio.com> wrote: From: David Rankin <David@rankinstudio.com> Subject: [Utah-astronomy] NGC 6949 (New Image) To: "Utah Astronomy" <utah-astronomy@mailman.xmission.com> Date: Monday, October 12, 2009, 11:46 AM After tweaking out my setup and spending more than an hour trying to get everything setup. I was able to capture this one last night before the spotlight in the night came to ruin my astrophotography. Enjoy! http://www.slas.us/gallery2/main.php?g2_itemId=2557&g2_imageViewsIndex=1 _______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
Richard, Thank you :) The self modification is removing the "IR Cut" filter from in front of the cameras sensor. A lot of the deep space nebulae (not all) but the majority, are giving off light in the Hydrogen Alpha wavelength of the electromagnetic spectrum. Ha light is light that is given off by objects that have heat (infrared) same thing. The CMOS sensor in a dslr is naturally sensitive to this light, it can pick it up. The manufactures of the camera have to put a filter in front of the sensor to block the IR light from reaching the sensor so the pictures look normal. This really sucks for astro because you can't shoot a lot of these nebulae, and enhance a lot of galaxy shots with that filter in place. One problem with removing the filter is that if you replace it with nothing, the autofocus on the camera stops working for daytime use. To fix this you have to purchase a piece of glass to replace the IR cut filter. Baader makes some, they are not only made to replace the ir cut filter, but also made to help clip light pollution and to help prevent internal reflections that cause star bloating in AP. You can still use the camera with daytime photography by using a custom white balance to get the red out of the pictures, or by using an external IR CUT filter that goes on the lens of the camera instead of in front of the sensor. I used the instructions by Gary Honis here to do my modification. If you are uncomfortable with doing it youself, Gary also offers the service for about half the price you will get at other places. http://ghonis2.ho8.com/rebelmod450d1.html There is a lot more info on that site. Cheers! David Richard Tenney wrote:
David, excellent images all. What sort of "self modifications" did you make to your XSi? I also have one, but have yet to try any astro photos (nor do I have a good tracking mount). /R
--- On Mon, 10/12/09, David Rankin <David@rankinstudio.com> wrote:
From: David Rankin <David@rankinstudio.com> Subject: [Utah-astronomy] NGC 6949 (New Image) To: "Utah Astronomy" <utah-astronomy@mailman.xmission.com> Date: Monday, October 12, 2009, 11:46 AM
After tweaking out my setup and spending more than an hour trying to get everything setup. I was able to capture this one last night before the spotlight in the night came to ruin my astrophotography.
Enjoy!
http://www.slas.us/gallery2/main.php?g2_itemId=2557&g2_imageViewsIndex=1
_______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
_______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com
participants (6)
-
David Rankin -
Don J. Colton -
Joe Bauman -
John R. Peterson -
Richard Tenney -
Tyler Allred