1.
Starry Nights Astrophotography
Building a PVC Vacuum Chamber. For a long time, I used a small metal tank for film storage but it could only hold two rolls of medium format film. ...
2.
BRC-250 Focusing
Focusing the Takahashi BRC-250 Astrograph. The Tak BRC is able to hold focus over a wide range of temperature variation due to the use of carbon fiber ...
3.
Polar Drift Alignment
This led me to the following two questions about the drift method of polar alignment which will be answered in this article. Namely: ...
4.
Polar Drift Alignment
This led me to the following two questions about the drift method of polar alignment which will be answered in this article. Namely: ...
5.
Starry Nights Astrophotography Gallery
Lagoon (M8) & Trifid Nebulas (M20): 1 x 60 min taken at Cherry Springs, PA on 4 Sep 2002 using Fuji 400 6x9 film, Takahashi 10" f/5 BRC-250, AP1200GTO and ...
6.
Polar Drift Alignment
This led me to the following two questions about the drift method of polar alignment which will be answered in this article. Namely: ...
7.
Polar Drift Alignment
For a long time, I used the "cookbook" method of drift alignment. Somewhere on the Internet, I found an article similar to the following: ...
8.
Starry Nights Dew Controller Article
Earlier this year, I realized that combating dew has been a continuous saga in my astronomical pursuits for over 20 years and that I really did not ...
9.
BRC-250 Focusing
Focusing the Takahashi BRC-250 Astrograph. The Tak BRC is able to hold focus over a wide range of temperature variation due to the use of carbon fiber ...
10.
Starry Nights Astrophotography
I tried various different schemes to build a PVC chamber but was never able to get one to hold a vacuum for a really long time (several months). ...
