Hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  NGC 891
Getting plate-solving status, please wait...
NGC 891, 


            Frank Colosimo
Powered byPixInsight

NGC 891

Getting plate-solving status, please wait...
NGC 891, 


            Frank Colosimo
Powered byPixInsight

NGC 891


Imaging Telescopes Or Lenses
Starizona Hyperion
Imaging Cameras
SBIG STL-11000
Paramount ME
Adobe Photoshop · Software Bisque TheSky · CCD Autopilot 5 · Maxim DL Pro
Guiding Telescopes Or Lenses
Starizona Hyperion
Guiding Cameras
SBIG STL-11000

Acquisition details

Oct. 25, 2011
173×505(24h 16′ 5″)
24h 16′ 5″
Avg. Moon age:
27.96 days
Avg. Moon phase:

RA center: 02h22m35s.548

DEC center: +42°2029.29

Pixel scale: 0.733 arcsec/pixel

Orientation: 131.134 degrees

Field radius: 0.359 degrees

More info:Open 

Resolution: 2950x1927

File size: 1.1 MB

Locations: Blue Mountain Vista Observatories, New Ringgold, Pennsylvania, United States

Data source: Backyard


NGC 891 in Andromeda is one of the primo edge-on galaxies in the Late Summer/Fall skies. It is big but fairly faint, with a visual magnitude of 10 and an apparent size of 13.5 x 2.8 arc minutes. It is estimated to be 10 million light years away.

It was discovered by William Herschel in Oct 1784. It is famous for the prominent dark lane that runs right down the middle.

Imaging data:

Date: Oct 22,23,25 2011

Date: Nov 2020

Location: New Ringgold PA

Optics: Hyperion 12.5 inch at f/8

Mount: Paramount ME

Camera: SBIG STL-11000

Guiding: Internal

Exposure: LRGB: Luminance: unbinned 22x10min; Color binned 2x2: R 16x8.5min, G 23x6 min, B 22x7.5min, for a total of 11 hours plus another 13 hours from Nov 2020 for total of 24 hours

Processing: Image acquisition using CCD Autopilot. Initial processing was done using Maxim DL with subsequent processing with Photoshop.



  • NGC 891, 


            Frank Colosimo
  • Final
    NGC 891, 


            Frank Colosimo


Description: added another 13 hr of data from Nov 2020 for a total of 24 hours

Uploaded: ...

Sky plot

Sky plot


NGC 891, 


            Frank Colosimo

In these public groups

Northeast Imagers
Cloudy Nights