Menu Close

Veil Nebula


HAlpha-OIII

 

Mouseover:  HalphaOIII   LHaGB    

Veil Nebula. Click image for full size version.

 


Common Name Veil Nebula
Formal Name NGC 6992
Date 7/13/2008
Constellation Cygnus
Location Chapparal Camp, Colorado
Equipment Tak Sky90 mounted on Losmandy G11 Gemini
SBig 2000XM Camera/Filter Wheel
Ha and OIII filters
Temperature -20°C
Exposures
# Exp (sec) Filter Bin Net Time (hr)
3 900 HAlpha 2x2
6 900 OIII 1x1
Total 2.25 hrs
Processing Synthetic Green channel constructed from Ha and OIII
Reduced in CCDSoft Aligned in Registar
Stacked in ImagesPlus
Used Steve Cannistra’s technique of combining Ha and OIII channels.
Adjusted Levels and Curves, cropped, filtered in Photoshop
Notes

=============================================================================

LHaGB

Common Name Veil Nebula
Formal Name NGC 6992
Date 7/13/2008
Constellation Cygnus
Location Chapparal Camp, Colorado
Equipment Tak Sky90 mounted on Losmandy G11 Gemini
SBig 2000XM Camera/Filter Wheel
Ha and OIII filters
Temperature -20°C
Exposures
# Exp (sec) Filter Bin Net Time (hr)
6 900 Lum 1x1
4 900 HAlpha 1x1
5 900 Green 2x2
5 900 Blue 2x2
Total 5 hrs
Processing Reduced in CCDSoft Aligned in Registar; reduced Green star sizes in PhotoshopStacked in ImagesPlusAdjusted Levels and Curves, cropped, some Carboni filtering in Photoshop
Notes

Leave a Reply

Your email address will not be published. Required fields are marked *

4 × 3 =