NGC2237

Rosette Nebula in Emission-Line

Object Info

Type

Diffuse Nebula

Constellation

Monoceros

Distance

5,500 ly

Date

December 3, 2010

Location

Little Blair Valley, Anza-Borrego Desert, CA

Exposure

SII 4x15 (2x2), Ha 8x15 (1x1), OIII 4x15 (bin 2x2) as RGB

Optics

Celestron C11 Carbon Fiber SCT w/XLT

Focal Length

1700mm @f/6

Mount

Astro-Physics 900GTO

Camera

SBIG ST-10XME

Focuser

Robo-Focus

Filters

CFW10A, Astrodon 6nm SII, 3nm Ha, 6nm OIII

Software

Maxim DL, CCDStack, Photoshop