U of S | Mailing List Archive | alt-photo-process-l | RE: Astronomy Pinhole Picture of the Day

RE: Astronomy Pinhole Picture of the Day




> Date: Tue, 27 Jan 2009 09:59:41 -0700
> From: jon@intaglioeditions.com
> Subject: Astronomy Pinhole Picture of the Day
> To: alt-photo-process-l@usask.ca
>
> 6 month exposure. The photographer must have used a lead plate as an ND
> filter.
>
> http://antwrp.gsfc.nasa.gov/apod/ap090115.html
>
Not likely.  This is very easy to do and you do get some false color information using B&W photo paper as your "negative".

Google for solargraphy.