Naked Eye Limiting Magnitude Charts

Attached is a naked eye limiting magnitude (NELM) chart for Cassiopeia. The details on how it was processed in both SkyMap Pro and Paint Shop Pro are included.

[Image] NELM Cassiopeia mv 4.8 - 5.6

SkyMap Pro:
Constellations > General: Figures & Boundaries
Limiting magnitude: 5.6 (Proper Names only)
Stars > Display: Lim. mag 5.6 | Display Magnitude 0 |Dot size 10/2
Stars > Labels: Proper Names (all stars)
Stars > Options: Mark double stars with horizontal line (off)
Stars > Options: Mark variable stars w/hollow symbol (label check)
Coordinate grids: Scale line (on)
File > Prefs > Fonts > Screen: Star proper name (9pt)
File > Prefs > Fonts > Screen: Constellation name (12pt)
File > Prefs > Fonts > Screen: Compass (8pt)
File > Save as Picture: 650 x 424 pixels (Bitmap)

Paint Shop Pro:
Image: Adjust > Brightness & Contrast > Threshold (1)
- Adjust > Negative Image
Font: Bayer letters (Symbol 12 pt, Bold)
- Magnitudes (Trebuchet MS 9 pt, Bold, Underline)
- Labels unrelated to Bayer letters (Trebuchet MS 8 pt)
File > Save as: Windows or OS/2 Bitmap
Filesize: 38K