Re: [APML] ImagePlus vs. MaxIm

["Chris Cook" <ccjd@ix.netcom.com>]

Stephen -

Is ImagePlus the best software to use with the DSLR's?  Can MaxIm be used?

Chris

----------------------------------
Chris Cook
Astronomical & Nightscape Photography
www.abmedia.com/astro

-----Original Message-----
From: stephen pitt <lthuedk@pe.net>
To: Discussion of Film Astrophotography <astro-photo@seds.org>
Date: Tuesday, December 30, 2003 1:00 AM
Subject: Re: [APML] Canon 10D is APOD today


>Hi Chris.  The 10D's major drawback is its Ha handicap...
>
>http://www.astrosurf.com/buil/us/digit/spectra.htm
>
>which may be by a factor of 4 less sensitive to the Ha line than typical
>Kodak chips.  What I did was take the histogram as far as I could to the
>left to dig for these rarified photons.  What you see are the dregs of
>stretching.  I could have done the typical 10D user thing and clipped,
>but my APML film experience prevailed.
>
>The 10D, while an excellent cluster, galaxy and reflection nebula
>recorder, still suffers from Ha anemia.  The modified 300D, however
>sacrificial to the purpose of terrestrial photography, will, in my
>opinion, change the face of astrophotography.  The only deficiencies
>will be amplifier glo, which can be softed out.
>
>Finally, we have an alternative to the high cost of contemporary cooled
>CCDs.
>
>In overview, the Canons give a film-competive image thru a high number
>of short combined exposures.  Its an extension of the RBGL strategy,
>except its a combination of many full colour images.
>
>Available software, one Images Plus, which has co-evolved with the Canon
>digital series, is well featured to handle the chores of the RAW-to-tiff
>conversions, alignment, combining and digital development.
>
>Yes, there's a learning curve, but the people here are well equiped for
>it.
>
>Oh, did I stray off noise?  I'm just a little enthusiastic about the new
>toy.
>
>Stephen
>
>-----------------------------------------------------------
>
>
>
>
>
>
>Chris Cook wrote:
>> Stephen -
>>
>> Any thoughts on the cause of the red peppering effect found in the
>> background/darker regions?
>> You've definitely captured a good deal of nebulosity!
>>
>> Chris
>>
>> ----------------------------------
>> Chris Cook
>> Astronomical & Nightscape Photography
>> www.abmedia.com/astro
>>
>> -----Original Message-----
>> From: stephen pitt <lthuedk@pe.net>
>> To: Discussion of Film Astrophotography <astro-photo@seds.org>
>> Date: Monday, December 29, 2003 10:27 PM
>> Subject: Re: [APML] OT: Canon 10D is APOD today
>>
>>
>>
>>>John, about the clipped 10D histograms: You are correct.  The first
>>>thing I noted to the Digital Astro group was that very point.  And, as
>>>if I was blowing hot air to the wind, I got no reasonable response.
>>>
>>>As a background, I purchased a 10d a couple of months ago and have been
>>>attempting to find the left end of the histogram.  I soon discovered the
>>>camera intentionally tossed 650nm for practical reasons.  But, we aren't
>>>practical, are we?  Only now, do I feel it time to post an -ON TOPIC-
>>>10D image that addresses what you and I speak of:
>>>
>>>http://www.light-to-dark.com/m42_sv105_10d.html
>>>
>>>Do turn down your room lights.  After stretching the defecation out of
>>>the low value end, this is what I got of the sea of nebulosity
>>>surrounding the Sword.  Clearly, there is an open door to the likes of
>>>the APML crowd.  NOW.  This is what APMLers do best.  Stretching.
>>>
>>>This matter-the 10D and digital-is no longer OT.  O.K. guys?  I'm one of
>>>you and we should collectively bring our list into the twenty-first
>>>century.
>>>
>>>Respectfully,
>>>
>>>Stephen Pitt
>>>
>>>
>>>
>>>John C. Mirtle wrote:
>>>
>>>>    Rick's images really are impressive - thanks Chris. Most 10D shots I
>>>>have seen have severely clipped histograms, Rick's are nicely processed.
>>>>Hutech's camera is looking more appealing all the time! Bobby, as I
>>>>understand it, most of the price of an SBIG camera is chewed up by the
>>>
>> cost
>>
>>>>of the CCD sensor. Seems to me that a camera using this Canon sensor,
>>>
>> with
>>
>>>>SBIG's temperature control and a guide chip would be a nice little
>>>>package..... Noisier perhaps than a KAF chip, but people like Rick seem
>>>
>> to
>>
>>>>do very well without any temperature regulation at all!
>>>>
>>>>John Mirtle
>>>>Calgary, Ab. Canada
>>>>
>>>>----- Original Message -----
>>>>From: "Bobby Middleton" <bobm@koyote.com>
>>>>To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
>>>>Sent: Monday, December 29, 2003 12:08 PM
>>>>Subject: Re: [APML] OT: Canon 10D is APOD today
>>>>
>>>>
>>>>
>>>>
>>>>>I cruised his 10D gallery. Very impressive!
>>>>>How expensive is the 10D? <g>
>>>>>If I were working at SBIG I'd be very worried. They'll be forced to
lower
>>>>>their prices I'd imagine.
>>>>>Bobby Middleton
>>>>>
>>>>
>>>>
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>>>>
>>>
>>>
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>>
>>
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