All Images Copyright Rod Gallagher                                      Click on image to see full size

NGC 2237 -- Rosette Nebula

Object

Type

Diffuse Nebula

Constellation

Monoceros

Distance

5,500 light years

Magnitude

4.8

Size

80 x 60 arc-min

Notes

Also known as Caldwell 49 (nebula NGC 2237, 2238, 2239, 2246),

Caldwell 50 (open cluster NGC 2244)

Image

Date

2013-02-07

Place

Winter Star Party

Exposure Data

HaLRGB 180:90:90:90:90 mins @ -15C

Ha 12x15, C 18x5, R 18x5, G 18x5, B 18x5 min

Notes

All filters binned 1x1

Equipment

Optics

Takahashi FSQ-106

Focal Length

530 mm @f/5.0

Mount

Takahashi NJP

Camera

SBIG ST-10XME

Focuser

Robofocus

Filters

CFW-10, Astrodon LRGB, Ha

Software

TheSky6, CCDSoft, FocusMax, CCDAutopilot4, CCDStack 2+, PixInsight, PhotoShop CS6

Reprocessed on 01/21/2023