Thursday, March 6, 2025
A Very Deep View to my Soul, IC1848
This is a new photo of the Soul Nebula in Cassiopeia.
A total of 20 hours of H-alpha exposure, along with 6 hours of S-II and O-III combined, allows me to capture intricate details of this relatively bright astronomical cloud of gas and dust.
A Detail of IC1848, the Soul Nebula
Click for a large image, 2100x2300 pixels
Click for a large image, 2100x2300 pixels
A mapped color image from a light emitted by an ionized elements,
sulfur=red, hydrogen=green and oxygen=blue
sulfur=red, hydrogen=green and oxygen=blue
Full Resolution Details
Click for a full size, 2100x2300 pixels
Click for a full size, 2100x2300 pixels
Lots of details in this, usually pretty featureless, formation, there seems to be lots of going on.
Pillar like formations are pointing to a open cluster IC1848
Older photos of the Soul Nebula
Technical details
Processing workflow
Image acquisition, MaximDL v5.07.
Stacked and calibrated in CCDStack2.
Deconvolution with a CCDStack2 Positive Constraint, 27 iterations, added at 50% weight
Color combine in PS
Levels and curves in PS
Imaging optics,
Celestron EDGE 14" with 0.7 Focal reducer
Mount,
MesuMount Mark II
Cameras,
Imaging camera Apogee Alta U9000M and Apogee seven slot filter wheel
Guider camera, Lodestar x 2 and SXV-AO Active Optics @ 5hz
filters,
Astrodon 5nm H-alpha, 3nm S-II and 3nm O-III
Total exposure time 30h
H-alpha, 60 x 1200 s, binned 1x1 = 20 h
O-III,21x 1200 s, binned 2x2 = 3h
O-III,21x 1200 s, binned 2x2 = 3h
S-II, 15 x 1200 s. binned 2x2 = 3h
A single calibrated 20 min exposure of H-alpha, Bin 1x1
Click for a full size image.
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