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#1
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ASTRO: NGC1275 & Friends
I took this over a year ago with a 14" SCT working @ f/5.5 with a ST9XE.
(20,4,4,4). Hey Rick...I would like to see your image in color. I think that there might be some reds in N1275. My image is too small and under sampled to show this well. Joe |
#2
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ASTRO: NGC1275 & Friends
J McBride wrote: I took this over a year ago with a 14" SCT working @ f/5.5 with a ST9XE. (20,4,4,4). Hey Rick...I would like to see your image in color. I think that there might be some reds in N1275. My image is too small and under sampled to show this well. Joe I wasn't very happy with the color version. Stars had no color to speak of nor the galaxies. Rather like your shot. Color was hit hard by the clouds with very unequal exposure time for each. I tried to balance out the result. For some reason when red is short it dominates. I don't understand that. Not sure if all that red I have is legit. Here it is anyway. 14" LX200R@f/10, L=6x5' R=2x5' G=3x5' B=2x7' all binned 2x2, STL-11000XM, Paramount ME -- Correct domain name is arvig and it is net not com. Prefix is correct. Third character is a zero rather than a capital "Oh". |
#3
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ASTRO: NGC1275 & Friends
Oops, see I never flipped it. For some reason when I move a FIT to
Photoshop CS it inverts the image. Doesn't rotate it. I have to flip it back and forgot to do it since I wasn't going to post it. So this one is south up and west right and thus a mirror image of what it should be. Sorry about that. Rick Johnson wrote: J McBride wrote: I took this over a year ago with a 14" SCT working @ f/5.5 with a ST9XE. (20,4,4,4). Hey Rick...I would like to see your image in color. I think that there might be some reds in N1275. My image is too small and under sampled to show this well. Joe I wasn't very happy with the color version. Stars had no color to speak of nor the galaxies. Rather like your shot. Color was hit hard by the clouds with very unequal exposure time for each. I tried to balance out the result. For some reason when red is short it dominates. I don't understand that. Not sure if all that red I have is legit. Here it is anyway. 14" LX200R@f/10, L=6x5' R=2x5' G=3x5' B=2x7' all binned 2x2, STL-11000XM, Paramount ME ------------------------------------------------------------------------ |
#4
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ASTRO: NGC1275 & Friends
"Rick Johnson" wrote in message ... Oops, see I never flipped it. For some reason when I move a FIT to Photoshop CS it inverts the image. Doesn't rotate it. I have to flip it back and forgot to do it since I wasn't going to post it. So this one is south up and west right and thus a mirror image of what it should be. Sorry about that. Rick Johnson wrote: J McBride wrote: snip Wow, nice eye candy, guys. Thanks for sharing. George |
#5
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ASTRO: NGC1275 & Friends
maybe it has a huge redshift and thus reds are stronger.
Joe "Rick Johnson" wrote in message ... J McBride wrote: I took this over a year ago with a 14" SCT working @ f/5.5 with a ST9XE. (20,4,4,4). Hey Rick...I would like to see your image in color. I think that there might be some reds in N1275. My image is too small and under sampled to show this well. Joe I wasn't very happy with the color version. Stars had no color to speak of nor the galaxies. Rather like your shot. Color was hit hard by the clouds with very unequal exposure time for each. I tried to balance out the result. For some reason when red is short it dominates. I don't understand that. Not sure if all that red I have is legit. Here it is anyway. 14" LX200R@f/10, L=6x5' R=2x5' G=3x5' B=2x7' all binned 2x2, STL-11000XM, Paramount ME -- Correct domain name is arvig and it is net not com. Prefix is correct. Third character is a zero rather than a capital "Oh". ---------------------------------------------------------------------------- ---- |
#6
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ASTRO: NGC1275 & Friends
See http://www.noao.edu/outreach/aop/observers/n1275.html (I wish I had
Kitt Peak seeing!) that shows little red in it compared to the others. Much of mine is due to that frost problem. For some reason it scatters more red across the whole image than green and blue. This was taken with some in the red channel. I'd heated the camera with a blow dryer and gotten rid of it for the others but took red last and it was refrosting again. So I don't trust the color. I have heaters on the way to fix the problem that go around the chip's sealed chamber. Very early cameras had none, later 2 and now they use 3. Mine is a "none" version hence the problem. I also found another source of red light. A cap that was painted black lost its paint and let a small amount of red light into the camera. (Paint was on the outside so didn't go into the system -- whew) I use 3 of 4 ports on my system. The 4th is blocked by that plug that came with it. It is a slightly translucent red without the paint. That likely is the source of the red light the frost sees. I've got it plugged differently now so should help while waiting the arrival of the heaters. By the time they get here the temps will have warmed to where it probably won't be a problem until next winter. The learning curve keeps on going up. Rick J McBride wrote: maybe it has a huge redshift and thus reds are stronger. Joe "Rick Johnson" wrote in message ... J McBride wrote: I took this over a year ago with a 14" SCT working @ f/5.5 with a ST9XE. (20,4,4,4). Hey Rick...I would like to see your image in color. I think that there might be some reds in N1275. My image is too small and under sampled to show this well. Joe I wasn't very happy with the color version. Stars had no color to speak of nor the galaxies. Rather like your shot. Color was hit hard by the clouds with very unequal exposure time for each. I tried to balance out the result. For some reason when red is short it dominates. I don't understand that. Not sure if all that red I have is legit. Here it is anyway. 14" LX200R@f/10, L=6x5' R=2x5' G=3x5' B=2x7' all binned 2x2, STL-11000XM, Paramount ME -- Correct domain name is arvig and it is net not com. Prefix is correct. Third character is a zero rather than a capital "Oh". ---------------------------------------------------------------------------- ---- -- Correct domain name is arvig and it is net not com. Prefix is correct. Third character is a zero rather than a capital "Oh". |
#7
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ASTRO: NGC1275 & Friends
Nice picture Joe. Lots of galaxies indeed. I have imaged this region twice
but never got anything I really liked. Maybe next autumn... Stefan "J McBride" schrieb im Newsbeitrag ... I took this over a year ago with a 14" SCT working @ f/5.5 with a ST9XE. (20,4,4,4). Hey Rick...I would like to see your image in color. I think that there might be some reds in N1275. My image is too small and under sampled to show this well. Joe |
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