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I agreeImaging telescope or lens:CELESTRON EdgeHD 800
Imaging camera:ZWO ASI1600MM-Cool
Mount:Orion Atlas Pro AZ/EQ-G
Guiding telescope or lens:CELESTRON EdgeHD 800
Guiding camera:ASI120MM
Focal reducer:Celestron 0.7x Focal Reducer
Software:Main Sequence Software Sequence Generator Pro, Pleiades Astrophoto PixInsight , Adobe Photoshop, PHD 2
Filters:Astronomik OIII 6nm CCD 1.25", Astronomik SII 6nm CCD 1.25", Astronomik H-alpha 6nm CCD 1.25"
Accessories:Moonlite CHL 2.5" Large Format Crayford Edge Focuser, Orion Thin Off-Axis Guider (TOAG)
Resolution: 3063x2304
Dates:April 29, 2018, April 30, 2018, May 8, 2018, May 9, 2018, May 17, 2018
Frames:
Astronomik H-alpha 6nm CCD 1.25": 37x240" (gain: 139.00) -20C bin 1x1
Astronomik OIII 6nm CCD 1.25": 35x240" (gain: 139.00) -20C bin 1x1
Astronomik SII 6nm CCD 1.25": 30x240" (gain: 139.00) -20C bin 1x1
Integration: 6.8 hours
Darks: ~50
Flats: ~50
Bias: ~256
Avg. Moon age: 15.53 days
Avg. Moon phase: 57.52%
Bortle Dark-Sky Scale: 5.00
Astrometry.net job: 2068311
RA center: 274.747 degrees
DEC center: -13.771 degrees
Pixel scale: 0.790 arcsec/pixel
Orientation: 94.165 degrees
Field radius: 0.421 degrees
Data source: Unknown
Perhaps the Eagle Nebula is one of those targets that needs no introduction. The Hubble "Pillars of Creation" image made this area instantly recognizable, even to those not skilled in the art. But, it is still one of my more favorite targets and thought it was a suitable match as a first-light image for a new set of narrowband filters. This image was shot through 6nm Ha, OIII, and SII Astronomik filters that now sit happily in my filter wheel. I tinkered with this image a lot until I collected enough data to be satisfied. The filters performed very well and seem to be "keepers".
To show off the diffuse nebulosity in the area, I decided on a starless presentation. Revision C is a starry version. Which do you prefer?
Enjoy!
Starry
| Cloudy Nights |
| ZWO ASI1600MM/QHY163M |
| Schmidt-Cassegrain Telescope (SCT) Imagers |
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