Re: [APML] For Wei-Hao :) Will a real astrophoto film please stand up.

["Jeff Crilly" <jlcapml@sbcglobal.net>]

This doesnt seem like the right stuff though.
I.e. Its not the "super" or "professional".

(Let me know if I'm wrong.)

----- Original Message ----- 
From: "joe" <jmize@svic.net>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Sunday, May 30, 2004 6:16 AM
Subject: Re: [APML] For Wei-Hao :) Will a real astrophoto film please stand up.


Dom;

     Ouch!!  B&H Photo is selling Konica-Minolta Centuria-400 135-24 Color Print Film (ISO-400)for $1.29 p/roll +shipping...joe  :)
http://www.bhphotovideo.com/bnh/controller/home?O=productlist&A=details&Q=&sku=183877&is=REG



"May You Go Among The Imperishable Stars"

Joe Mize:     jmize@svic.net
StarFields Observatory   http://www.svic.net/jmize
Chiefland, FL    29:24'33.4"N    82:51'37.7"W
Moon Phase:     http://tycho.usno.navy.mil/cgi-bin/phase.gif

  ----- Original Message ----- 
  From: Dominic Cantin
  To: Wei-Hao Wang ; Discussion of Film Astrophotography
  Sent: Saturday, May 29, 2004 5:22 PM
  Subject: Re: [APML] For Wei-Hao :) Will a real astrophoto film please stand up.


  Hi Wei-Hao :)

  Let me know if it's these film that you used ( I scaned these box ) :

  http://astrosurf.com/aurores/centuria_800.jpg

  http://astrosurf.com/aurores/centuria_400.jpg

  I bought these 2 films this afternoon at a store near my home

  http://www.japancamera.com/

  I hope it's the good stuff !

  Thanks in advance !

  Dom :)

  Wei-Hao Wang <wang@IfA.Hawaii.Edu> wrote:
    Hi,

    Thanks to Bobby for refering to my site. In particular, this one
    is by Centuria 800:
    http://www.ifa.hawaii.edu/~wang/gallery/picutres/I2177-2004.htm
    and these two are by Centuria 400:
    http://www.ifa.hawaii.edu/~wang/gallery/picutres/cygnus_tail.htm
    http://www.ifa.hawaii.edu/~wang/gallery/picutres/m16_to_24.htm

    The last two show that Centuria 400 is not only sensitive to H-alpha
    but also has quite good tri-color balance. Bobby is right that
    Centuria 800 is grainy. Both Centuria 800 and 400 don't have the
    fat-star problem that E200 has. (Indeed, Provia 400F also has this
    problem.) Earlier I had posted a comparison for E200 and Centuria 800:
    http://www.ifa.hawaii.edu/~wang/misc/E200vsC800.htm

    I didn't hyper either of them. I'm not sure if Centuria 800 is really
    faster than 400. (They may have different reciprocity failure.)

    The Centuria 400 I used to use is actually called Centuria Super 400.
    It's now replaced by Konica with Centuria Professional 400. The later
    one has quite nice results on comets but its H-alpha sensitivity is
    still unknown. I'm waiting for more test results from my Asian friends.

    These Konica films (400, 800) all have 120 format, but only available
    in east Asia. I'm thinking about improting some small amout to US for
    people in this list.

    Cheers,

    Wei-Hao

    ______________________________________________________________________
    Wei-Hao Wang :)

    Institute for Astronomy at University of Hawaii

    Address: Phone: 808-956-9867
    2680 Woodlawn Drive Personal Website:
    Honolulu, HI 96822 http://www.ifa.hawaii.edu/~wang
    ______________________________________________________________________



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