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Name / Constellation

NGC 925

 Other: PGC 9332, MCG 5-6-45, UGC 1913, CGCG 504-85, KARA 105, KUG 0224+333, IRAS 02243+33212

Tri
Coordinates AR: 02h 27m 16.88s , +33° 34′ 45″
Optics Officina Stellare 10" f8 Richtey-Cretien
Camera-Mount PLAYERONE POSEIDON M-PRO - ZWO ASI 1600M (ONAG)- 10Micron GM2000 QCI Mount
Filters Antlia V-Pro LRGB
Exposure
  • Luminance
  • Red
  • Green
  • Blue
  • 179 x 300 sec - 14 hours 55min
  • 34 x 300 sec - 2 hours 50min
  • 36 x 300 sec - 3 hours
  • 36 x 300 sec - 3 hours
  • Binning 3
  • Binning 3
  • Binning 3
  • Binning 3
Location / Date Promiod (Valle D'Aosta-Italy) "TLP" Remote Observatory - Nov 2024
Seeing 2.4" @ 1.17 arcosec/pixel binning 3
Note Drizzle 2X in postprocessing (Pixinsight))
Acquisition N.I.N.A.
Processing Adobe Photoshop CC -
Comment

 

NGC 925 is a barred spiral galaxy located in the constellation of Triangulum, about 9.3 Mpc away. The measurement of the distance, very accurate, was possible thanks to the discovery of numerous Cepheid variables by the Hubble Space Telescope.

Studies concerning the structure and star formation in this galaxy show various asymmetries: from the surveys it emerged that the northern arm is more developed than the southern one, which is more fragmented, suggesting an interaction with another galaxy in the past, and bringing NGC 925 closer to irregular galaxies than to barred ones.

NGC 925 is part of the NGC 1023 group and was discovered by William Herschel in 1784.