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01-18-2013, 06:27 PM - 1 Like   #1
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The Astro-Q Club!

Time to specialize a bit from the "Reach" thread.


First Quarter
DA* 300, f/5.6, 33% crop


01-18-2013, 07:00 PM   #2
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seems like that 300mm is the best of the bunch for using on the q ?
01-18-2013, 07:03 PM   #3
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Is that a single image or a stack?
01-18-2013, 07:12 PM   #4
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QuoteOriginally posted by dh4412 Quote
seems like that 300mm is the best of the bunch for using on the q ?
It is an exceptional lens, sharp enough to take full advantage of the Q's sensor resolution, with remarkably well-controlled CA. This whole ultra-tele-on-the-Q game is still quite new, so there's lots more lens experimentation to be done, but there's no question about the DA* 300 -- it is a winner.

QuoteOriginally posted by Docrwm Quote
Is that a single image or a stack?
Single image.

01-18-2013, 07:31 PM   #5
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QuoteOriginally posted by baro-nite Quote
It is an exceptional lens, sharp enough to take full advantage of the Q's sensor resolution, with remarkably well-controlled CA. This whole ultra-tele-on-the-Q game is still quite new, so there's lots more lens experimentation to be done, but there's no question about the DA* 300 -- it is a winner.



Single image.
Impressive.
01-18-2013, 07:59 PM   #6
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Very nice! I can't wait to add a DA*300 to my collection and use with the Q.
01-18-2013, 09:31 PM   #7
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Has anyone gotten usable star shots with the Q? I tried a couple and failed miserably

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01-18-2013, 10:07 PM   #8
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QuoteOriginally posted by baro-nite Quote
Time to specialize a bit from the "Reach" thread.


First Quarter
DA* 300, f/5.6, 33% crop
Man Baro-Nite, youre having way too much fun with that Q.....

01-18-2013, 10:23 PM   #9
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Very sharp! Nicely done. I thought i'd add a waxing crescent from tonite taken with a Tokina atx-sd 400mm for Canon FD lens that was converted to K mount and using the fotodiox Q adapter

Last edited by ivoire; 03-18-2014 at 10:15 AM.
01-19-2013, 01:21 AM   #10
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QuoteOriginally posted by Adam Quote
Has anyone gotten usable star shots with the Q? I tried a couple and failed miserably
I tried tonite and i believe this is Aldebaran. it was in the western sky (brightest star above the horizon), taken at about 1:30a.m with the Tokina atx-sd 400mm for canon fd lens. a couple more stars are faint in the pic. not sure why the color is green. I wanted to try for saturn but it was too low on the horizon and there were too many street and parking lot lights in the way.

Last edited by ivoire; 03-18-2014 at 10:15 AM.
01-19-2013, 01:24 AM   #11
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QuoteOriginally posted by ivoire Quote
I tried tonite and i believe this is Aldebaran. it was in the western sky (brightest star above the horizon), taken at about 1:30a.m with the 400mm canon fd lens. a couple more stars are faint in the pic. not sure why the color is green.
Nice capture- I don't think I've ever gotten that much magnification in a star shot before! There should be a lot more stars in the background than just 4, though. My impression is that the Q's sensor simply has trouble picking up all of that faint light.

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01-19-2013, 01:34 AM   #12
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Adam, I could see more (very faint) but they did not show in the final images. the 4 that are there were the brightest along with Aldebaran but i couldn't make out any constellations. It may be due to all the reflected city light from all the towns in the Chicago burbs.
01-19-2013, 02:20 AM   #13
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Are you sure its not Jupiter with its four largest moons? (I really have no idea, I'm just guessing.)
01-19-2013, 05:42 AM   #14
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Good guess, Gimbal! Aldebaran and Jupiter are currently very close, and Jupiter is about 3 magnitudes brighter, and actually magnifying a star image (other than Sol!) is out of the question, so this is either Jupiter or a UFO. Also, I just looked up the current pattern of Jupiter's brightest moons and this looks about right, although Callisto is either missing or way out of line from what I would expect.
01-19-2013, 05:48 AM   #15
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QuoteOriginally posted by ivoire Quote
I thought i'd add a waxing crescent from tonite taken with a 400mm Canon FD lens that was converted to K mount and using the fotodiox Q adapter
Nice! Yours was obviously shot a bit later than mine (20:09 EST); the terminator has advanced noticeably, so I assume this is from the same 01:30 session where you shot Jupiter.
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