M74 (NGC 628)

Telescope: Planewave 17" CDK reflector, 1940 mm FL
Camera: FLI-PL6303E, 3072 x 2048 pixels
Exposure: L: 16x3 minutes, RGB:6x3 minutes each 2x bin, HA:1x10m (ngc0628_HA_dr4.fits) from the Kitt Peak National Observatory 1.5-meter telescope to highlight the H-II regions in red. Processed with PixInsight.
Location: Mayhill, New Mexico (Elevation 7380')
Image Center (J2000): RA 1h 36m 41s, Dec 15° 47' 04"

Face-on spiral galaxy contains two clearly defined spiral arms and many dust lanes. Red hydrogen clouds trace the spiral arms. Second lowest surface brightness of all Messier objects. Image covers 25' x 22'.


M74 (NGC 628), Face-on spiral galaxy contains two clearly defined spiral arms and many dust lanes. Red hydrogen clouds trace the spiral arms. Second lowest surface brightness of all Messier objects. Image covers 25' x 22'., acquired with a remote telescope at Mayhill, New Mexico (Elevation 7380')

Object Label Identifier Notes
Galaxy G3 2MASX J01365368+1542071 Galaxy, color is red shifted
HII Region HII Regions. Marked 6 are marked.

Click on the image to display the plate solved image with annotations. 4' across M74 is about 35,000 light years. In addition to the items marked, there are 56 star clusters in M74 brighter than mag 20.5, all are visible in this image. Young stellar clusters in nearby galaxies were cataloged by S. S. Larsen in 1999 and 2004.


FITS files to create this image:

Luminance:

M74 Luminance

Image shown is Luminance 001.fits. Each file is 180 seconds, Planewave 17" reflector, 3072x2048 pixels, unbinned with Darks, Bias and Flats applied. Data acquired Oct 27 and Nov 8, 2016.


Luminance 001.fits
Luminance 002.fits
Luminance 003.fits
Luminance 004.fits
Luminance 005.fits
Luminance 006.fits
Luminance 007.fits
Luminance 008.fits
Luminance 009.fits
Luminance 010.fits
Luminance 011.fits
Luminance 012.fits
Luminance 013.fits
Luminance 014.fits
Luminance 015.fits
Luminance 016.fits

Red:

M74 Red

Image shown is Red 001.fits. Each file is 180 seconds, Planewave 17" reflector, 3072x2048 pixels, binned 2x with Darks, Bias and Flats applied. Data acquired Nov 8 and 24, 2016.


Red 001.fits
Red 002.fits
Red 003.fits
Red 004.fits
Red 005.fits
Red 006.fits

Green:

M74 Green

Image shown is Green 001.fits. Each file is 180 seconds, Planewave 17" reflector, 3072x2048 pixels, binned 2x with Darks, Bias and Flats applied. Data acquired Nov 8 and 24, 2016.


Green 001.fits
Green 002.fits
Green 003.fits
Green 004.fits
Green 005.fits
Green 006.fits

Blue:

M74 Blue

Image shown is Blue 001.fits. Each file is 180 seconds, Planewave 17" reflector, 3072x2048 pixels, binned 2x with Darks, Bias and Flats applied. Data acquired Nov 8 and 24, 2016.


Blue 001.fits
Blue 002.fits
Blue 003.fits
Blue 004.fits
Blue 005.fits
Blue 006.fits


Files can be loaded into PixInsight directly from the PixInsight console. For example, in the PixInsight console enter:
    open "http://www.remote-astrophotography.com/M74/M74-Blue-BIN2-006.fits"