NGC404 (Mirach’s Ghost) is a small lenticular galaxy which is visible near the star Mirach in the constellation Andromeda.
NGC 404 is the nearest example of a lenticular galaxy

The small galaxy lies at a distance of 10.3 million light years, while the star Mirach (Beta Andromedae) lies at a distance of only 200 light years.

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Image data

Object info
Name NGC404 – Mirach’s Ghost
Type Lenticular galaxy
Constellation Andromeda
Right ascension 01h 09m 27s
Declination +35° 43′ 04″
Distance 10.3 Mly
Other designations UGC718, PGC4126
Image info
Image date Oct. 30, 2010
Light frames 30x 3 min. IDAS LPS-P2 unbinned
Total integration 1h 30m
Dark frames 10x
Flat frames 12x p. filter unbinned. Created with an A3 size Posterpoweruk flatfield panel
Bias frames 12x
Software used CCDOps, CCDSoft, ImagesPlus, PixInsight LE, Photoshop CS4
Processing CCDOPS was used for focussing. Image Acquisition was done using CCDSoft.
All separate frames were calibrated, aligned and stacked in ImagesPlus 2.8.
PixInsight LE was used for DBE, Photoshop CS4 was used for further processing – curves adjustment, levels adjustment, etc.
Noel Carboni’s toolset was used as well (Local Contrast Enhancement, Deep Space Noise Reduction)
Equipment info
Telescope Orion Optics SPX 10″ Newton
Corrector Televue 2″ Paracorr coma corrector (FL: 1.380mm f/5.43)
Mount Losmandy G-11
Camera SBIG ST-8300M
Guide camera Atik 1HS Mono
Guide scope Celestron 60/700 Achromat
Autoguide software PHD Guiding
Filters 2″ IDAS LPS-P2
Location Landgraaf, The Netherlands
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