Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  NGC 891
NGC 891, Frank Colosimo
Powered byPixInsight

NGC 891

NGC 891, Frank Colosimo
Powered byPixInsight

NGC 891

Equipment

Loading...

Acquisition details

Loading...

Description

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.

Comments

Revisions

  • NGC 891, Frank Colosimo
    Original
  • Final
    NGC 891, Frank Colosimo
    B

B

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

Uploaded: ...

Sky plot

Sky plot

Histogram

NGC 891, Frank Colosimo

In these public groups

Cloudy Nights
Northeast Imagers