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ASTRO: M65, M66 & NGC3628 with the Tidal Tail by Danilo Pivato
Hi all, Here is the Leo Triplett with the ST-10XME in Nikkor 300mm f/2,8 @ f/5,6 , 40 X 300 seconds (tot.: 3,3h) at my website. In the image there are 5 minor...
March 3rd 11 08:11 PM
by Danilo Pivato Go to last post
0 866
1 Attachment(s) ASTRO: M81 by Stefan Lilge
On January 21 I chose M81 as a target as transparency wasn't good, so it would have made little sense to go for exotic stuff. There were gusty winds that...
March 1st 11 07:00 PM
by Rick Johnson[_2_] Go to last post
3 3,440
2 Attachment(s) ASTRO: Arp 289 and its mystery plumes by Rick Johnson[_2_]
Arp 289/NGC 3981 is a spiral galaxy in far eastern Crater just barely in Crater rather than Corvus. At almost 20 degrees south it is the most southern Arp...
March 1st 11 05:29 AM
by Rick Johnson[_2_] Go to last post
4 1,399
2 Attachment(s) ASTRO: Sharpless 2-224 (supernova-remnant in Auriga) by Stefan Lilge
We had a lot of cloudless nights recently, but all of these nights had dusty skies, some of them were also quite windy. That means that I have a lot of...
February 28th 11 09:32 PM
by Stefan Lilge Go to last post
2 2,268
2 Attachment(s) ASTRO: Arp 245 with wild plume by Rick Johnson[_2_]
Arp 245/NGC 2992-3 is a great pair of interacting galaxies in Hydra. Red shift puts them at about 125 million light-years but most papers are going with the...
February 27th 11 09:55 PM
by Rick Johnson[_2_] Go to last post
2 1,282
ASTRO: NGC 2244 & 2237-9: Rosette Nebula - Hydrogen Alpha by Danilo Pivato
Hi all, I wish to introduce to your attention this picture , that you can see at the following...
February 26th 11 02:30 AM
by Danilo Pivato Go to last post
0 483
3 Attachment(s) ASTRO: Arp 140 by Rick Johnson[_2_]
I thought I'd posted this one long ago. It was taken September 19, 2009 UT. I processed it in April but apparently then forgot about it. I can't find I...
February 23rd 11 10:24 PM
by Rick Johnson[_2_] Go to last post
0 1,059
1 Attachment(s) ASTRO: M108/M97 field by Stefan Lilge
This field is almost imaged to death but it fits the field of my Maksutov-Newton 190/1000 plus Atik 383L+ camera, so I couldn't resist. I had rather ugly...
February 20th 11 07:36 PM
by Rick Johnson[_2_] Go to last post
1 1,733
1 Attachment(s) ASTRO: NGC 4631 by Rick Johnson[_2_]
NGC 4361 in a rather famous planetary in the quadrilateral of Corvus. The central star sits in a dark hole in the planetary. That isn't a processing...
February 20th 11 07:34 PM
by Rick Johnson[_2_] Go to last post
1 1,169
2 Attachment(s) Arp 53 Lots of questions -- no answers by Rick Johnson[_2_]
Arp 53/NGC 3290 is located in Hydra about 490 million light-years distant according to its red shift. Arp put it in his category for spirals with high...
February 20th 11 11:57 AM
by Stefan Lilge Go to last post
1 1,287
5 Attachment(s) ASTRO: Arp 27 by Rick Johnson[_2_]
Arp 27/NGC 3631 is a grand design spiral in Ursa Major. Red shift shows it to be about 62 million light-years distant. A Tully-Fisher measurement says 70...
February 20th 11 11:53 AM
by Stefan Lilge Go to last post
1 1,466
ASTRO: Orion's Belt & Sword: great mosaic in H-alpha by Danilo Pivato
Hi all, a photomosaic consisting in 17 shots that show the central part of the constellation of Orion. The mosaic measures approximately: 9°x8° (6464x5860...
February 20th 11 11:45 AM
by Stefan Lilge Go to last post
2 1,061
5 Attachment(s) ASTRO: Arp 27 by Rick Johnson[_2_]
See I forgot the ASTRO: subject on my M81 re-redo. No granddaughter here so haven't been turning on my filter as it hasn't been needed. Shouldn't open my...
February 15th 11 07:59 PM
by Rick Johnson[_2_] Go to last post
0 1,108
1 Attachment(s) Another try at M81 by Rick Johnson[_2_]
When you work and work on the same image you get blind to issues. I decided Stefan was right and I over saturated it. I've cut it back some. Rick --...
February 15th 11 02:43 AM
by Neil Roy Go to last post
1 1,067
4 Attachment(s) ASTRO: Arp 60 and 196 by Rick Johnson[_2_]
Another 2 fer deal. I keep finding it interesting that he often finds two entries in one field and other times ignores equally peculiar galaxies in other...
February 11th 11 08:23 PM
by Rick Johnson[_2_] Go to last post
0 883
1 Attachment(s) M81 Right image this time. by Rick Johnson[_2_]
When I saved the image in JPG format for internet I'd selected an adjustment layer and hadn't flattened the image. What got posted was only one layer of...
February 11th 11 08:03 PM
by Rick Johnson[_2_] Go to last post
3 860
1 Attachment(s) ASTRO: Sharpless 2-176 (large planetary nebula in Cassiopeia) by Stefan Lilge
Last October I used two nights to image the rather faint PN Sh2-176. First night was with the GSO 6" RC (AP CCDT67 reducer)/SXV-H9 camera, second night with...
February 11th 11 03:24 PM
by Stefan Lilge Go to last post
2 1,489
3 Attachment(s) ASTRO: Hubble's Variable Nebula by Rick Johnson[_2_]
NGC 2261/Hubble's Variable Nebula turns out to be more interesting than I suspected. I've taken it several times over the last few years but every time...
February 10th 11 05:14 AM
by Rick Johnson[_2_] Go to last post
6 1,937
1 Attachment(s) ASTRO: Yet another reprocess of M81 by Rick Johnson[_2_]
About once a year I reprocess my old M81 image. I should retake the data as it used 5 minute subs which contain twice the read noise of the 10 minute ones. ...
February 9th 11 11:09 PM
by Rick Johnson[_2_] Go to last post
2 910
4 Attachment(s) ASTRO: Arp 21 -- Blue among the gold by Rick Johnson[_2_]
Arp 21 is located in eastern Leo Minor a bit over 400 million light-years distant. It falls into Arp's class: Spiral Galaxies; 3 armed. That much seems...
February 9th 11 09:42 PM
by Stefan Lilge Go to last post
1 1,188
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