
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
|
|