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Names M 31, NGC, 224, MCG +07-02-016, UGC 454, HOLM 17A, PGC 2557
Right Ascension (2000.0) 00:44:54.8
Declination +42:00:00
Constellation Andromeda
Redshift (z) -0.001001 +/- 0.000013
Heliocentric Radial Velocity -300 +/- 4 km/s
Distance (esteem) 3,000,000 light years
Date (DD/MM/YYYY) 07/11/2021
Exposure time 12,000 seconds (8 x 1500 exposures) with binning mode 1 x 1 and AO-7
CCD Camera SBIG ST-8XE
Telescope Meade Instruments Schmidt-Cassegrain 14" LX200 OTA on 10 Micron GM2000 HPS Mount
Focal length 3556 mm
Diameter 355.6 mm
Focal ratio 10
Field of View 13.3 x 8.9 arcminute
Original scale 0.522 arcsecond / pixel

Palomar Observatory Sky Survey images
POSS
Sloan Digital Sky Survey images
SDSS image

The spiral galaxy that can be seen across M 31 is [JSD2012] 244
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