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M42 the Great Nebula in Orion 1/4/2013

Technical card

Imaging telescope or lens: Orion ED80T CF

Imaging camera: Atik 314L+

Mount: Orion Atlas EQ-G

Guiding telescope or lens: Orion USA Mini Guide Scope

Guiding camera: Orion SSAG

Focal reducer: Televue .8 Reduce/flattener for TV-85

Software: DeepSkyStackerNebulosityPhotoshop CS4Registar

Filters: HaAstrodon Series E BAstrodon Series E GAstrodon Series E R

Accessories: Orion Filter wheelOrion Dewzapper

Resolution: 1429x1118

Dates: Jan. 4, 2013Jan. 9, 2013

Ha: 30x10" -20C bin 1x1
Ha: 30x120" -20C bin 1x1
Ha: 28x300" -20C bin 1x1
Astrodon Series E B: 12x300" -10C bin 1x1
Astrodon Series E G: 12x300" -10C bin 1x1
Astrodon Series E R: 12x300" -10C bin 1x1

Integration: 6.4 hours

Flats: ~20

Avg. Moon age: 23.64 days

Avg. Moon phase: 36.89%

Bortle Dark-Sky Scale: 6.00

Mean FWHM: 3.00

Temperature: 10.50 job: 92319

Locations: Home observatory, Mason, Ohio, United States


Starting my M42 for 2013 and going for an HA RGB image this time. My last effort was all NB and really not happy with the colors in that one so wanted to try a more natural approach this time. This is the HA done with subs of 10 sec, 120 sec and 300 sec to capture as much detail as possible. Now all I need are a bunch of clear nights to capture the RGB!!





M42 the Great Nebula in Orion 1/4/2013, rigel123