IC4628 - The Shrimp Nebula in Scorpius
Emission and clusters  in the Milky Way
Uploaded 8/15/24
 
 

            
Here in this very deep
            mosaic we find IC4628 at the top, and near bottom the brillant
            open star cluster NGC6231. The entire field is filled with hydrogen
            emission nebulosity! This is a two part mosaic to cover this
            large field, with 90 minutes of RGB, and 90 minutes with an IDAS
            NBZ-II filter.

            
Technical Data: IDAS
            data - 8" f/2 RASA: 90m, Stellarvue SV80 @ f/4.6 - 90m RGB,
            Happy Jack Arizona.

            
Select an image size for a larger view:

1400 x 1200


Instrument:  RASA 8" f/2 (IDAS NBZ Mark II) + Stellarvue SV80S (RGB) on same mounting plate
Mount:  Home Made GEM with Byers Starmaster Drive
Camera:  Color CMOS OSC ASI2600MC + ASI071MC
Guider: ASI mini  w/80mm piggyback refractor
Exposure:  3h total both instruments
Location:  Happy Jack, Arizona, Elevation:  7000 ft.
Sky:  Seeing FWHM = 2 arcsec , Transparency 9/10
Outside Temperature:  65 F

Image Processing Tools: 
Maxim DL6:  Calibration
PixInsight:  Alignment, Stacking, Star Removal
Photoshop CS2:  Curves, Color Correction, Cleanup

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