All Images Copyright Rod Gallagher Click on image to see full size
NGC 4236 -- Barred Spiral Galaxy
Object
|
Type |
Barred Spiral Galaxy |
|
Constellation |
Draco |
|
Distance |
11.7M light years |
|
Magnitude |
10.5 |
|
Size |
21.9 x 7.5 arc-sec |
|
Notes |
Also known as Caldwell 3 |
|
|
|
|
|
|
Image
|
Date |
2016-04-03 |
|
Place |
Tenkiller State Park |
|
Exposure Data |
C 90:45:45:45 mins @ -10C |
|
|
C 18x5, R 9x5, G 9x5, B 9x5 min |
|
Notes |
RGB filters binned 2x2 |
|
|
|
|
|
|
Equipment
|
Optics |
Takahashi FSQ-106N |
|
Focal Length |
530 mm @f/5.0 |
|
Mount |
Takahashi NJP |
|
Camera |
SBIG ST-10XME |
|
Focuser |
RoboFocus |
|
Filters |
CFW-10, Astrodon CRGB |
|
Software |
TheSkyX, CCDSoft, CCDAutopilot5, CCDStack 2+, PixInsight, PhotoShop CS6 |
|
|
Reprocessed on 07/10/2023 |