Chapter 6: Real-World Examples 6.1 Limitations of Pipeline Processing 6.2 ACS 6.2.1 Introduction 6.2.2 Example 1: Optimizing the Image Sampling for Single Visit 6.2.3 Example 2: Optimizing the Image Alignment for Multiple Visits 6.2.4 Example 3: Optimizing the Cosmic Ray Rejection for an ACS Mosaic with Sub-pixel Dithers 6.3 NICMOS 6.3.1 Introduction 6.3.2 NICMOS Specific issues 6.3.3 Initial Setup 6.3.4 The Default Parameters 6.3.5 Step 1: Static Mask 6.3.6 Step 2: Sky Subtraction 6.3.7 Step 3: Drizzle separate images and Refining Offsets 6.3.8 Step 4: Create Median Image 6.3.9 Step 5: Blot back the median image 6.3.10 Step 6: Remove Cosmic Rays with DERIV or DRIZ_CR? 6.3.11 Step 7: Drizzle final Combined Image 6.3.12 Other Filters 6.3.13 Examining the Results 6.4 WFPC2 6.4.1 Introduction 6.4.2 General tips 6.4.3 NGC 2440 example 6.4.4 Data calibration and image registration 6.4.5 Image combination and cleaning 6.4.6 Output and data quality 6.5 STIS 6.5.1 Drizzling STIS Data 6.6 WFC3 6.7 Scripting 6.7.1 Introduction 6.7.2 The Quick and Easy Way