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Re: [APML] ImagePlus vs. MaxIm
Hi Chris. Sorry, I'm not familiar with the other programs. I'm a newby
in digitaland.
Stephen
--------------------------------------------------
Chris Cook wrote:
> 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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