M81 and M82

noirlab_noao-m81wideblock February 20th, 2014

Credit: KPNO/NOIRLab/NSF/AURA/Adam Block

M81 and M82 can be found near the Big Dipper. They are around 12 million light years away. This image was taken as part of Advanced Observing Program (AOP) program at Kitt Peak Visitor Center during 2014.

Provider: NOIRLab

Image Source: https://noirlab.edu/public/images/noao-m81wideblock/

Curator: NSF's NOIRLab, Tucson, AZ, USA

Image Use Policy: Creative Commons Attribution 4.0 International License

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Source TIFF (4.89 MB)

Image Details

Image Type: Observation
Object Name: M81 • M82

Position Details

Position (ICRS): RA = 9h 57m 49.0s; DEC = 68° 23’ 10.4”
Orientation: North is 89.5° CCW
Field of View: 2.2 x 1.5 degrees
Constellation: Ursa Major

Color Mapping

Telescope	Spectral Band	Wavelength
KPNO-VC-RORO (Other CCD)	Optical (B)	438.0 nm
KPNO-VC-RORO (Other CCD)	Optical (G)	475.0 nm
KPNO-VC-RORO (Other CCD)	Optical (R)	625.0 nm

ID: noao-m81wideblock
Subject Category
Subject Name: M81, M82
Credits: KPNO/NOIRLab/NSF/AURA/Adam Block

Release Date: 2014-02-20T13:57:54
Lightyears
Redshift
Reference Url: https://noirlab.edu/public/images/noao-m81wideblock/

Type: Observation
Image Quality
Distance Notes

Facility: Visitor Center Roll Off Roof Observatory, Visitor Center Roll Off Roof Observatory, Visitor Center Roll Off Roof Observatory
Instrument: Other CCD, Other CCD, Other CCD
Color Assignment: Blue, Green, Red

Band: Optical, Optical, Optical
Bandpass: B, G, R
Central Wavelength: 438, 475, 625

Start Time
Integration Time
Dataset ID: None, None, None
Notes

Coordinate Frame: ICRS
Equinox: J2000
Reference Value: 149.454016277, 68.3862224224
Reference Dimension: 2184.0, 1472.0

Reference Pixel: 1897.71405029, 422.19857788
Scale: -0.00100191499183, 0.00100208032278
Rotation: 89.514194579576
Coordinate System Projection:: TAN

Quality: Full
FITS Header
Notes

Creator (Curator): NSF's NOIRLab
URL: https://noirlab.edu
Name
Email

Telephone
Address: 950 North Cherry Ave.
City: Tucson
State/Province: AZ

Postal Code: 85719
Country: USA
Rights: Creative Commons Attribution 4.0 International License

Publisher: NSF's NOIRLab
Publisher ID: noirlab
Resource ID: noao-m81wideblock

Resource URL: http://noirlab.edu/public/media/archives/images/original/noao-m81wideblock.tif
Related Resources

Metadata Date: 2021-08-30T16:28:24+02:00
Metadata Version: 1.1

Detailed color mapping information coming soon...

There is no distance meta data in this image.