Hubble Space Telescope
ISR 95-06: A Field Guide to WFPC2 Image Anomalies

by John Biretta, Christine Ritchie, and Krista Rudloff

November 2, 1995

Abstract

We describe many of the less-common artifacts and anomalies which appear in WFPC2 images. Examples are given with brief descriptions of their cause, correction, and prevention.

Table of Contents:

1. Introduction PDF (0.02 MB) and Post Script (0.06 MB).
2. Jumps in Bias Level PDF (0.26 MB) and Post Script (1.8 MB).
3. Bias Ripples PDF (0.06 MB) and Post Script (0.39 MB).
4. Horizontal Smearing of Saturated Images PDF (0.11 MB) and Post Script (0.74 MB).
5. Residual Images PDF (0.70 MB) and Post Script (4.2 MB).
6. Contamination Worms PDF (0.06 MB) and Post Script (0.39 MB).
7. PC1 Stray Light Patterns PDF (0.47 MB) and Post Script (8.2 MB).
8. "Dragon's Breath" Reflections PDF (0.06 MB) and Post Script (1.4 MB).
9. Ghost Images PDF (0.11 MB) and Post Script (2.0 MB).
10. OTA Diffraction Patterns PDF (0.11 MB) and Post Script (2.5 MB).
11. OTA Earth Reflection Pattern PDF (0.14 MB) and Post Script (0.79 MB).
12. Moving Targets PDF (0.07 MB) and Post Script (0.72 MB).
13. Missing Data PDF (0.05 MB) and Post Script (0.38 MB).
14. Combining Dithered Images with Artifact Rejection PDF (0.03 MB) and Post Script (0.07 MB).
15. References PDF (3.9 KB) and Post Script (0.05 MB).