NGC 2392 in Gemini
Type: Planetary Nebula
Magnitude: 10.1
Apparent Size: 54" (as measured in AA)
Distance: 880 pc
Physical size: ~.62 ly
Distance: 880 pc
Physical size: ~.62 ly
Camera: Starlight Xpress SX-694 (1x1 binning)
Guider: Starlight Xpress Lodestar off-axis.
Scope: Astrotech AT10RC @F/7.8 (1987mm)
Guider: Starlight Xpress Lodestar off-axis.
Scope: Astrotech AT10RC @F/7.8 (1987mm)
Mount: Losmandy Titan w/Gemini-2
Filters: Astronomik Ha 6nm ,OIII 12nm, Idas LPS-D3
Exposures: Ha= 92 min. OIII= 92 min both 60" & 120"
Exposures: Ha= 92 min. OIII= 92 min both 60" & 120"
Cropped F.O.V. = 8.55' x 8.55' @.47" arc/pixel
Acquired, calibrated, stacked (avg) in Astroart 8
Acquired, calibrated, stacked (avg) in Astroart 8
Processing Notes:
Calibrated with Bias & Defect Map only.
Log stretch
Log stretch
Ha:OIII:OIII color combine.
Below are 2 comparison images of NGC 2392 superimposed onto the Moon for scale reference.
It was tricky getting the nebulas colors & brightness to be visible compared to the Moon as both original .FIT images (64bit) have different histogram shapes.
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