Telescope: Meade 12” LX850 ACF @ f/8, Orion Atlas EQ-G
Camera: ZWO ASI071 MC Pro, -10C, Gain 200
Filter: Orion Imaging Skyglow Filter
Guide scope: Astro-Tech 60mm, ASI290MM Mini, PHD2
Exposure: 21x240sec, saved as FITS
Darks: 32x240s, saved as FITS
Flats: 32x1sec, Tee shirt flats taken at dawn
Average Light Pollution: Bortle 8, fair transparency
Lensed Sky Quality Meter: 18.5 mag/arc-sec^2
Stacking: Mean with a 2-sigma clip.
White Balance: Nebulosity Automatic
Software: Nebulosity, Deep Sky Stacker, Photoshop
NGC 2903 is a fairly bright (Mv 9.0) galaxy located just south of the head of Leo (the Lion). I first spotted this galaxy while star-hopping around Leo and Cancer. It is an easy target in an 8” scope where I was able to clearly see the core and bar. The sweeping arms are gorgeous in the photograph, but they are not visible from my backyard.
NGC 2903 is currently a morning object and is high overhead around 3:30am.
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