Imaging telescope or lens: APM LZOS 130/780 f/6 LW CNC II 130mm APO
Imaging camera: FLI Microline ML8300
Mount: Takahashi EM-200 Temma2
Guiding telescope or lens: Orion Deluxe 50mm MiniGuider
Guiding camera: Orion SSAG
Focal reducer: William Optics 132/110 FLT Field Flattener
Integration: 12.2 hours
Astrometry.net job: 1268468
RA center: 114.219 degrees
DEC center: 65.618 degrees
Pixel scale: 1.694 arcsec/pixel
Orientation: -1.047 degrees
Field radius: 0.451 degrees
NGC 2403 (Caldwell 7) is an intermediate spiral galaxy in the constellation Camelopardalis. NGC 2403 is an outlying member of the M81 Group and is approximately 8 million light-years away. It looks a lot like M33, the Pinwheel galaxy, is about 50,000 light years in diameter and contains numerous star-forming H II regions, several of enormous dimensions.
This image also contains PGC21288 on upper left corner. North is up.
12.2 hr HaLRGB
D.A.R.C. Observatory, Mercey Hot Springs, CA 2/20/15, 3/19/15
Ha from Montebello OSP, CA 3/26/15 (50% moon)
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