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Messages 6772 - 6801 of 7213   Oldest  |  < Older  |  Newer >  |  Newest
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6772
IMG6303 with Pentax 6x7 400mm f/4 stopped to f/5.6 26 x 10 minutes, cust sci 4.5nm halpha ...
Richard Crisp
rdcrisp
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Jul 5, 2009
11:49 pm
6773
Fantastic. Is this with the older 400mil or the newer ED version?...
Ryan Brooks
ryankbrooks
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Jul 6, 2009
12:02 am
6774
... it is the older non-ED version Glad you like it rdc...
Richard Crisp
rdcrisp
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Jul 6, 2009
1:12 pm
6775
http://www.narrowbandimaging.com/m17_ap180_6303_s2hao3_page.htm rotate mine 180 degrees and compare with this one ... Dear all, The Omega Nebula, a stellar...
Richard Crisp
rdcrisp
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Jul 7, 2009
1:30 pm
6776
Hi All I managed to get out for some imaging last night to complete the first stage of my tri-colour narrowband image of this object. The sky was clear but it...
Gordon Haynes
gordon_haynes
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Jul 8, 2009
5:24 pm
6777
Hi Gordon,   perhaps a bit soft, but that is down to the seeing.   Never the less it is a very fine image, and plenty of detail still remains.   I should...
Paul Kent
paul8214
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Jul 8, 2009
7:50 pm
6778
Hi All After doing the Ha data on this object a couple of nights ago I managed to get out again last night and shot 27x10 minutes for the OIII. The capture...
Gordon Haynes
gordon_haynes
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Jul 10, 2009
11:47 am
6779
the "eye" in "ET's Head" looks great Gordon get the additional data!!!! ... From: Gordon Haynes To: narrowbandimaging@yahoogroups.com Sent: Friday, July 10,...
Richard Crisp
rdcrisp
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Jul 10, 2009
12:44 pm
6780
Hello all, I test my new guider system with MMOAG from Astrodon witch is customised by a friend for a good backfocus between IMG6303e and TEC140 (I have only...
nicolas outters
golfdemornex
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Jul 14, 2009
3:01 pm
6781
Hello, I am new to this group, and am new to narrowband imaging. In fact, I'm working on my first narrowband image, a bi-color image of NGC6888 (Crescent...
jkeshort
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Jul 14, 2009
10:16 pm
6782
welcome to the group Joel. I tried to look at your images but they weren't loading. But let me say a few words that may be of some help: I wrote the original...
Richard Crisp
rdcrisp
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Jul 14, 2009
10:27 pm
6783
you can send the raw files to me if you like.   just the stacked and calibrated images, no processing other than flats/darks/biases. It makes it easier all...
Paul Kent
paul8214
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Jul 14, 2009
10:34 pm
6784
Richard, Thanks for the link to the article, it was helpful. One question about the histograms. You say that the histograms of the OIII and SII channels...
jkeshort
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Jul 14, 2009
11:19 pm
6785
my comment relates to how to make full use of the color gamut available to you it is common to find Halpha many times more abundant in an object than [OIII] or...
Richard Crisp
rdcrisp
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Jul 14, 2009
11:40 pm
6786
Richard et al, Is there some systematic (or automated) way to stretch histograms so they look similar to each other? Bob Hertel...
rjhertel2001
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Jul 16, 2009
4:32 pm
6787
I tried using equalize histograms in paint shop pro. It didnt work on the final image jpg, perhaps if I used raw tiffs.....   back to the drawing board   ...
Paul Kent
paul8214
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Jul 16, 2009
5:22 pm
6788
Hi All I finally managed to get the SII data last night to go with the Ha and OIII that I took last week. This was taken over 3 nights on 7th, 9th and 15th...
Gordon Haynes
gordon_haynes
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Jul 16, 2009
7:35 pm
6789
well that aint half bad gordon, that aint half bad :-)   very nice.   i have reverted back to processing old data, barely a clear night in the past month....
Paul Kent
paul8214
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Jul 16, 2009
8:12 pm
6790
Well the summer heat is here again. Last weekend I was at the ranch and fired up the camera for flats and saw my PL39000C and the ST7e both reading +30C as the...
Richard Crisp
rdcrisp
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Jul 17, 2009
3:11 am
6791
Thanks for commenting Doug   it is a damned if you do and damned if you don't sort of problem   on the one hand the dark shot noise is not too bad even...
Richard Crisp
rdcrisp
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Jul 17, 2009
3:39 pm
6792
I am pleased to share my first narrowband image, NGC6888 in Ha and OIII. Details and the image are here: http://www.buckeyestargazer.net/New%20Image%201.html...
jkeshort
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Jul 17, 2009
7:26 pm
6793
good job there joel. The S[II] for this object is very faint....HaO3O3 makes a lot of sense if clear skies are almost non-existant.   look forward to seeing...
Paul Kent
paul8214
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Jul 17, 2009
7:53 pm
6794
tonight at the ranch at 8:30pm.... ambient temperature: 88F, 31.1C guide camera: ST7E, ultimate cooling: -2.7C, Delta T from Ambient: 33.8C imaging camera: old...
Richard Crisp
rdcrisp
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Jul 18, 2009
3:36 am
6795
88F at night!!!   wow, thats hot.   i think I'll need to wear suncream at night :-)   i take it that it cooled further as the wee hours of the morning...
Paul Kent
paul8214
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Jul 18, 2009
8:52 am
6796
Hi I have tweaked this image slightly as after looking at it several times I felt the greens were a bit "in your face", I'd be interested to know what people...
Gordon Haynes
gordon_haynes
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Jul 18, 2009
10:51 am
6797
Hi Gordon   I think i prefer this one....the S2 seems to come through a bit stronger?   Nice one   Paul ... From: Gordon Haynes <gphaynes2006@...> ...
Paul Kent
paul8214
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Jul 18, 2009
11:06 am
6798
At the daily low this morning, just before sunrise, it was 79F or 26.1 C I leave the guider set to a temperature colder than it can reach so the operating...
Richard Crisp
rdcrisp
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Jul 18, 2009
1:32 pm
6799
i like the colors better Gordon what does it look like with not so much smoothing? ... From: Gordon Haynes To: narrowbandimaging@yahoogroups.com Sent:...
Richard Crisp
rdcrisp
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Jul 18, 2009
1:38 pm
6800
Hi Richard Thanks for the comments, I will have to reprocess it to see what it looks like without the smoothing as I didn't keep the original tiff file when I...
Gordon Haynes
gordon_haynes
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Jul 18, 2009
10:24 pm
6801
what isn't true that I said Greg? Has the Apogee group now made the tie-in between the need for RBI management and cooling? They had not when I wrote what I...
Richard Crisp
rdcrisp
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Jul 19, 2009
2:18 am
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