Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's galaxy  ·  Bode's nebulae  ·  M 81  ·  NGC 3031
M81, Frank Colosimo
Powered byPixInsight
M81, Frank Colosimo
Powered byPixInsight

Equipment

Loading...

Acquisition details

Loading...

Description

M81, NGC 3031, or 'Bode's Galaxy' as it is known is a magnitude 6.9 spiral galaxy in Ursa Major and part of the so-called M81 group of galaxies. It has an apparent size of 25.7 arc minutes, and is estimated to be 12 million light years away.

Imaging data:

Date: Feb-Mar, 2013

Location: New Ringgold PA

Optics: Hyperion f/8 12.5 inch, FL 2540 mm

Mount: Paramount ME

Camera: Apogee Alta U8300, guiding by On Axis Guider (ONAG) with an ST402

Exposure: LRGB: L:24x10 min R:19x8 min, G:16x6 min, B:20x10 min, Total= 11.5 hours

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

Comments

Sky plot

Sky plot

Histogram

M81, Frank Colosimo

In these public groups

Cloudy Nights